dataset - OpenStructs

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dataset - OpenStructs Powered By Docstoc
&id                    &prefLabel          &href                  &version AI3's Sweet Tools   http://www.mkbergman.c      16.0
wt/                                        om/new-version-sweet-

&description                                                                  &firstPosted&updateDate
Sweet Tools is a comprehensive listing of about 800 semantic Web and -          8/12/2006 10/19/2009
related tools, with most open source. It was started and is maintained by
Michael Bergman, as part of his AI3:::Adaptive Innovation blog. It has gone
through many versions and updates, and is now browsable online via either a
conStruct display view or an Exhibit display view. The datasets are also
available for download in multiple formats, including RDF/XML, RDF/N3, CSV,
&recordList              &linkage               &source @mkbergman
wt/SWT_recordList_200    wt/SWT_linkage_20091
91019.csv                019.csv
&id                &type                      &prefLabel
facet              KRBrowser                  /facet

3store             DatabaseDatastore          3store

4suite_4rdf        IdeProgrammingEnvironment 4Suite 4RDF

ace_annotation     InformationExtraction      ACE Annotation Toolkit

activeontology     IdeProgrammingEnvironment ActiveOntology

activerdf          IdeProgrammingEnvironment ActiveRDF

activetags         MashupMeshupFramework      ActiveTags

acuity             UserInterfaceSemantic      ACUITy

adaptiva           OntologyVocabularyEditor   Adaptiva

aduna              DatabaseDatastore          Aduna Metadata Server

aerotext           InformationExtraction      AeroText

agwebview          KRBrowser                  AGWebView

aida               InformationExtraction      AIDA Toolkit

ajar_rdf           RdfTools                   AJAR RDF Library

akt_research_map   SemanticModelModeling      AKT Research Map

akt_bus            ApisMiddleware             AKT-Bus
aktive_media   Annotator                  AKTive Media

alembic        NlpLanguageProcessor       Alembic

algae          QueryLanguageService       Algae

alibaba        CompositeAppFramework      AliBaba

allegrograph   DatabaseDatastore          AllegroGraph

almo           Ontology                   Almo

altova         OntologyVocabularyEditor   Altova SemanticWorks

alvis          SearchEngine               Alvis

amalgam        NlpLanguageProcessor       AMALGAM

amilcare       InformationExtraction      Amilcare

amine          CompositeAppFramework      Amine

anacubis       Visualization              Anacubis

annie          InformationExtraction      ANNIE - Open Source Information

annotea        Annotator                  Annotea

annozilla      Annotator                  Annozilla
anthracite    Wrapper                   Anthracite

antlr         NlpLanguageProcessor      ANTLR

any23         RdfGenerator              any23

anzo          CompositeAppFramework     Anzo

aperture      Harvester                 Aperture

apex          MashupMeshupFramework     APEX

apolda        Annotator                 Apolda

fca_in_akt    DescriptionFormalLogics   Applications of FCA in AKT

aquabrowser   KRBrowser                 AquaBrowser

aqualog       NlpLanguageProcessor      Aqualog

arc           RdfTools                  ARC

ariel         InformationExtraction     Ariel

armadillo     InformationExtraction     Armadillo

arp           ParserConverter           ARP

arq           Sparql                    ARQ
artequakt          InformationExtraction     ArtEquAkt

artificialmemory   WikiRelated               ArtificialMemory

asio               CompositeAppFramework     Asio

asis_gnat          IdeProgrammingEnvironment ASIS for GNAT

asmov              OntologyMapperMediator    ASMOV

atlas_jatlas       NlpLanguageProcessor      ATLAS / jATLAS

autofocus          KRBrowser                 AutoFocus

a_s_e_m_w          SemanticModelModeling     Automatic Support for Enterprise
                                             Modelling and Workflow

autosemantix       IdeProgrammingEnvironment AutoSemantix

baagz              SearchEngine              BAAGZ

babel              ParserConverter           Babel

banach             ParserConverter           Banach

basevisor          InferenceEngine           BaseVISor

beagle             SearchEngine              Beagle++

bibsonomy          Annotator                 BibSonomy
bibster               Annotator               Bibster

bigblogzoo            KRBrowser               BigBlogZoo
blacklight            KRBrowser               Blacklight

blinx                 SearchEngine            blinx

blueorganizer         KRBrowser               blueorganizer

bmecat2goodrelations ParserConverter          BMEcat2GoodRelations

boca                  DatabaseDatastore       Boca

boost_graph_library   Visualization           Boost Graph Library

bor                   InferenceEngine         BOR

bossam                InferenceEngine         Bossam

brahms                DatabaseDatastore       Brahms

brainlets             CompositeAppFramework   Brainlets

brownsauce            KRBrowser               BrownSauce

browserdf             KRBrowser               BrowseRDF

buddyfinder)          SearchEngine            BuddyFinder (CORDER)

buddyspace            UtilitiesSemweb         BuddySpace
caboto            Annotator                Caboto

calais            InformationExtraction    Calais

callisto          Annotator                Callisto

cara              ApisMiddleware           CARA

carp              RdfTools                 Carp

carrot2           NlpLanguageProcessor     Carrot2 Framework

casd              IdeProgrammingEnvironment CASD

cashew            WebServicesSemantic      Cashew

cashew_s_engine   WebServicesSemantic      CASheW-s Engine

ccm               Wrapper                  CCM

cerebra           CompositeAppFramework    Cerebra Server

charon            Wrapper                  Charon

chickenfoot       Wrapper                  chickenfoot

chimaera          OntologyMapperMediator   Chimaera

classakt          Ontology                 ClassAKT
cleartk           NlpLanguageProcessor       ClearTK

cliopatria        CompositeAppFramework      ClioPatria

clipmarks         Annotator                  Clipmarks

clustybar         UtilitiesSemweb            Clustybar

cms               OntologyMapperMediator     CMS

cockatoo          DataLanguage               COCKATOO

coe               OntologyVocabularyEditor   COE

cognitionsearch   SearchEngine               CognitionSearch

cohse             Annotator                  COHSE - Conceptual Open
                                             Hypermedia Services
collex            KRBrowser                  Collex

coma              OntologyMapperMediator     COMA++

compendium        CollaborationSystem        Compendium

conceptool        OntologyMapperMediator     ConcepTool

conref            OntologyMapperMediator     ConRef
construct_scs      CompositeAppFramework      conStruct SCS

consvisor          Validator                  ConsVISor

converterfromrdf   ParserConverter            ConverterFromRDF

convertertordf     ParserConverter            ConverterToRDF

conweaver          SearchEngine               ConWeaver

conzilla           OntologyVocabularyEditor   Conzilla

corder             InformationExtraction      CORDER

corese             CompositeAppFramework      Corese

cortex             InformationExtraction      Cortex Intelligence

cow                WikiRelated                COW

crowbar            Wrapper                    Crowbar

cs_aktivespace     KRBrowser                  CS AKTiveSpace
cubicweb            CompositeAppFramework    CubicWeb

curl                UtilitiesSemweb          cURL

customrdfdialects   ParserConverter          CustomRDFDialects

cwm                 DataLanguage             cwm

cypher              NlpLanguageProcessor     Cypher

cytoscape           Visualization            Cytoscape

d2p_bridge          DatabaseDatastore        d2p-bridge

d2r_map_processor   IdeProgrammingEnvironment D2R MAP Processor

d2r_server          DatabaseDatastore        D2R Server

d3e                 Annotator                D3E - Digital Document Discourse
dannotate           Annotator                Dannotate

dapper              Wrapper                  Dapper
darq                  QueryLanguageService    DARQ

dartgrid              Rdfizer                 DartGrid

data_publishing_serverUtilitiesSemweb         Data Publishing Server

datamashups           MashupMeshupFramework   DataMashups

dbin                  Annotator               DBin

dbpedia_mobile        KRBrowser               Dbpedia Mobile

deep_query_manager Harvester                  Deep Query Manager

deepamehta            SemanticDesktop         DeepaMehta

deki_wiki             WikiRelated             Deki Wiki

delphi4sesame         ParserConverter         Delphi4Sesame

description_logic_complexity_navigator        Description Logic Complexity

devonthink            Annotator               DEVONthink

diamondwiki           WikiRelated             DiamondWiki

disco                 KRBrowser               Disco

django_rdf            RdfGenerator            django-rdf
dl_learner           InferenceEngine          DL Learner

dlvhex               InferenceEngine          dlvhex

doapspace            SearchEngine             DOAPspace

dogmamodeler         Ontology                 DogmaModeler            DatabaseDatastore

dome                 InformationExtraction    Dome

dome                 Ontology                 DOME

dose                 Annotator                DOSE

drago                OntologyMapperMediator   DRAGO

drive                ParserConverter          Drive
dspace               DatabaseDatastore        DSpace

dublin_core_viewer   InformationExtraction    Dublin Core Viewer

dumpont              Visualization            DumpOnt

easyrdf              Rdf                      EasyRDF

entity_describer     Annotator                ED (Entity Describer)
eep3                  CompositeAppFramework   Eep3

ekoss                 CollaborationSystem

elie                  InformationExtraction   ELIE

ellogon               NlpLanguageProcessor    Ellogon

elmo                  Ontology                Elmo

endeca                CompositeAppFramework   Endeca

eprep                 InformationExtraction   Eprep

eservices             Annotator               eServices

espotter              InformationExtraction   Espotter

euler                 InferenceEngine         Euler

eulermoz              InferenceEngine         EulerMOZ

eulersharp            InferenceEngine         EulerSharp

exhibit               DataPresentation        Exhibit

explorator            KRBrowser               Explorator

exteca                Ontology                Exteca

extracting_microcontentnformationExtraction   Extracting Microcontent

extrakt               Ontology                ExtrAKT
eyeball               Validator               Eyeball

fabl                  DataLanguage            FABL

fact                  InferenceEngine         FaCT++
falcon_ao      OntologyMapperMediator   Falcon-AO

falcons        SearchEngine             Falcons

fastr          ParserConverter          Fastr

faviki         Annotator                Faviki

fedora         CompositeAppFramework    Fedora

feedapi_rdf    RdfGenerator             FeedAPI RDF Processor

fenfire        SemanticDesktop          Fenfire

ferret         SearchEngine             Ferret

fhat           RdfTools                 Fhat

fingerpooint   UtilitiesSemweb          Fingerpooint

flamenco       SearchEngine             Flamenco

flare          CompositeAppFramework    Flare

flickr2rdf     RdfTools                 Flickr2RDF

flickurl       RdfTools                 Flickurl
f_life         Ontology                  F-Life

floodsim       WebServicesSemantic       Floodsim

flora_2        DescriptionFormalLogics   FLORA-2

florid         InferenceEngine           Florid

foaffox        UtilitiesSemweb           FOAFfox

foaf_o_matic   RdfGenerator              FOAF-o-matic

foam           OntologyMapperMediator    FOAM

f_owl          InferenceEngine           F-OWL

foxtrot        Ontology                  Foxtrot

freebase       DatabaseDatastore         Freebase

freeling       NlpLanguageProcessor      FreeLing

fresnel        DataPresentation          Fresnel

fuzzbot        InformationExtraction     Fuzzbot

fyzz           ParserConverter           fyzz

gadget         ParserConverter           Gadget

gate           CompositeAppFramework     GATE - General Architecture for
                                         Text Engineering
geomaker             InformationExtraction   GeoMaker

geourl               InformationExtraction   GeoURL

giblet               RdfTools                Giblet

gloze                ParserConverter         Gloze

gls_3                CompositeAppFramework   GLS³

gnizr                MashupMeshupFramework   gnizr

gnogno               RdfTools                gnogno

gnosis               InformationExtraction   Gnosis

gnowsis              SemanticDesktop         Gnowsis

gnowsys              KnowledgeBaseService    GNOWSYS

goodrelations_annotator                      GoodRelations Annotator

google_squared       InformationExtraction   Google Squared

graphl               Visualization           Graphl

grazr                InformationExtraction   Grazr

greengrass           RdfTools                Greengrass

grokker              SearchEngine            grokker
groove       Visualization             Groove

groupme      Annotator                 GroupMe!

growl        KRBrowser                 GrOWL

gruff        KRBrowser                 Gruff

gvs          RdfGenerator              GVS

halogen      NlpLanguageProcessor      HALogen

hawk         DatabaseDatastore         HAWK
haystack     SemanticDesktop           Haystack
hbaserdf     DatabaseDatastore         Hbase/RDF

hcreator     Microformat               hCreator

heart_gold   NlpLanguageProcessor      Heart of Gold

helenos      DescriptionFormalLogics   HELENOS

hermit       InferenceEngine           HermiT

hmafra       OntologyMapperMediator    hMAFRA (Harmonize Mapping
hoolet       InferenceEngine           Hoolet
hozo                   OntologyVocabularyEditor   Hozo

hpricot                ParserConverter            hpricot

hunter_gatherer        Wrapper                    Hunter Gatherer

hurl                   UtilitiesSemweb            hurl

hyena                  RdfEditor                  Hyena

hyperbk                Annotator                  HyperBK

hyperdaml              Ontology                   HyperDAML

hyperde                CompositeAppFramework      hyperDE
hyperscope             KRBrowser                  HyperScope

hypknowsys             Annotator                  hypKNOWsys

ibm_semantics_toolkit CompositeAppFramework       IBM Semantics Toolkit

identify_knowledge_base                           Identify Knowledge Base
if_map               OntologyMapperMediator       IF-Map

ikewiki                WikiRelated                IkeWiki

ilod                   KRBrowser                  iLOD

ilp_information_extraction                        ILP for Information Extraction
imagenotion            Annotator                  ImageNotion

inqle                  MachineLearning            INQLE

intelligent_topic_manager                         Intelligent Topic Manager

internet_business_logicQueryLanguageService       Internet Business Logic SOA

iodt                   Ontology                   IODT

iron                   DataLanguage               irON

irs_iii                InferenceEngine            IRS-III

isaviz                 Visualization              IsaViz

isparql                Sparql                     iSPARQL

i_x_process_panels     AgentsAgentSystems         I-X Process Panels

jabber                 UtilitiesSemweb            Jabber

jambalaya              Visualization              Jambalaya

jastor                 IdeProgrammingEnvironment Jastor
javascript_rdfturtle   ParserConverter           JavaScript RDF/Turtle parser
jena                   CompositeAppFramework     Jena
jena_grddl        ParserConverter          Jena GRDDL Reader

jena_sesame       ParserConverter          Jena Sesame Model

jeromedl          KRBrowser                JeromeDL

jess              RuleBasedProcessing      Jess

jesstab           ApisMiddleware           JessTab

jfex              InformationExtraction    jFex

jfresnel          DataPresentation         JFresnel

jibbering         ParserConverter          Jibbering
jinfil            InformationExtraction    jInFil

joost             KRBrowser                Joost

joseki            DatabaseDatastore        Joseki

jowl              KRBrowser                jOWL

jqbus             ChatRelated              JQbus

jrdf              IdeProgrammingEnvironment JRDF

jrest             ParserConverter          jREST

jxml2owl_mapper   ParserConverter          JXML2OWL Mapper
kaon               Ontology                  KAON

kaon2              InferenceEngine           KAON2

kaukolo            WikiRelated               Kaukolo

kazuki             IdeProgrammingEnvironment Kazuki

kea                NlpLanguageProcessor      Kea

kendrabase         WikiRelated               KendraBase

kim_platform       CompositeAppFramework     KIM Platform

knoodl             WikiRelated               Knoodl

knowee             UtilitiesSemweb           Knowee

knowledge_broker   KnowledgeBaseService      Knowledge Broker

knowwe             WikiRelated               KnowWE

kowari             DatabaseDatastore         Kowari

kraft_i_x_tie      CollaborationSystem       KRAFT - I-X TIE

kraken             Annotator                 Kraken

krextor            InformationExtraction     Krextor

lapis              NlpLanguageProcessor      LAPIS
larq            SearchEngine               LARQ

leeet           RdfTools                   Leeet

lemur_toolkit   NlpLanguageProcessor       Lemur Toolkit

lena            DataPresentation           LENA

lexaurus        OntologyVocabularyEditor   Lexaurus Editor

lexilink        Ontology                   LexiLink

librdfa         ParserConverter            librdfa

lily            OntologyMapperMediator     LILY

lingpipe        InformationExtraction      LingPipe

linguastream    NlpLanguageProcessor       LinguaStream

linkfactory     Ontology                   LinKFactory
linqtordf          QueryLanguageService    LinqToRDF

live_clipboard     CopyPaste               Live Clipboard

lode               KRBrowser               LODE

lodr               RdfTools                LODr

longwell           KRBrowser               Longwell

loom               InferenceEngine         Loom

loomp              Annotator               Loomp

loot               DatabaseDatastore       LOOT

lsw                Ontology                LSW

lucene             SearchEngine            Lucene

luisa              CompositeAppFramework   LUISA

lumrix             SearchEngine            LuMriX

m3t4_studio        Ontology                M3t4.Studio Semantic Toolkit

machinese_syntax   NlpLanguageProcessor    Machinese Syntax
mafra_toolkit   OntologyMapperMediator   MAFRA Toolkit

magpie          KRBrowser                Magpie

makna           WikiRelated              Makna

mallet          NlpLanguageProcessor     MALLET

many_eyes       Visualization            Many Eyes

marbles         KRBrowser                Marbles

marmite         Wrapper                  Marmite

matchit         OntologyMapperMediator   MatchIT

matrixbrowser   Visualization            MatrixBrowser Visualization Kit

melita          Annotator                Melita

metadesk        SemanticDesktop          MetaDesk

metalog         InferenceEngine          Metalog

metamatrix      CompositeAppFramework    MetaMatrix
metamorphoses   RdfGenerator             METAmorphoses

metatomix       CompositeAppFramework    Metatomix
mindraider      Annotator                MindRaider
minorthird           NlpLanguageProcessor       MinorThird

miro                 InformationExtraction      Miro

mnm                  Annotator                  MnM

moaw                 UtilitiesSemweb            MOAW

model_futures        OntologyVocabularyEditor   Model Futures OWL Editor

mopy                 Ontology                   mopy

morla                RdfEditor                  Morla

mspace               KRBrowser                  mSpace

mulgara              DatabaseDatastore          Mulgara

multimedia_semantics Listing                    Multimedia Semantics

muskrat_ii           KnowledgeBaseService       Muskrat-II

myontology           OntologyMapperMediator     myOntology

myplanet             UtilitiesSemweb            MyPlanet

neno                 DataLanguage               Neno
neologism           KRBrowser                  Neologism

neon_toolkit        CompositeAppFramework      NeOn Toolkit

net_owl             InformationExtraction      Net OWL
ng4j                ParserConverter            NG4J

nltk                NlpLanguageProcessor       NLTK

nmarkup             InformationExtraction      NMARKUP

nokia_semweb_server KnowledgeBaseService       Nokia Semantic Web Server

nuin_bdi_agent_engineAgentsAgentSystems        Nuin BDI Agent Engine
oai_repository_explorerKRBrowser               OAI Repository Explorer

obda                OntologyVocabularyEditor   OBDA

object_viewer       KRBrowser                  Object Viewer

obrowse             KRBrowser                  oBrowse

ocelot              KRBrowser                  Ocelot

ochre               KRBrowser                  OCHRE

odo                 RdfTools                   ODO

oink                KRBrowser                  Oink
olaola2            OntologyMapperMediator     OLA/OLA2

omcsnet_wordnet    NlpLanguageProcessor       OMCSNet-WordNet

omnigator          OntologyVocabularyEditor   Omnigator

ontobroker         InferenceEngine            OntoBroker

ontocopi           KnowledgeBaseService       ONTOCOPI

ontodella          Ontology                   Ontodella
ontoedit           Ontology                   OntoEdit

ontoengine         OntologyMapperMediator     OntoEngine

ontoframe          SearchEngine               OntoFrame

ontogator          SearchEngine               Ontogator

ontogen            OntologyVocabularyEditor   OntoGen

ontogloss          Annotator                  OntoGloss

ontolingua         Ontology                   Ontolingua

ontology_browser   KRBrowser                  Ontology Browser

ontology_metrics   Ontology                   Ontology Metrics
ontomat_annotizer   Annotator                  OntoMat Annotizer

ontomedia           Multimedia                 OntoMedia

ontoportal          OntologyMapperMediator     OntoPortal

ontos_api           Annotator                  Ontos API

ontosaurus          KRBrowser                  Ontosaurus

ontosearch          SearchEngine               OntoSearch

ontosminor          InformationExtraction      OntosMinor

ontospec            Ontology                   OntoSpec

ontostudio          CompositeAppFramework      OntoStudio

ontotrack           OntologyVocabularyEditor   OntoTrack

ontoviews           CompositeAppFramework      OntoViews

ontoweaver          Ontology                   OntoWeaver

ontowiki            WikiRelated                OntoWiki

oort                Visualization              Oort
open_anzo         CompositeAppFramework   Open Anzo

openamplify       InformationExtraction   OpenAmplify

opencyc_kb_browser KRBrowser              OpenCyc KB Browser

openiris          SemanticDesktop         OpenIris

openlink_ode      KRBrowser               OpenLink Data Explorer (ODE)

openlink_ods      CompositeAppFramework   OpenLink Data Spaces (ODS)

opennlp           NlpLanguageProcessor    OpenNLP

openqabal         WikiRelated             OpenQabal

openrecord        WikiRelated             OpenRecord

openrulebench     RuleBasedProcessing     OpenRuleBench

operator          Microformat             Operator

opml              ParserConverter         opml

opml_reader       InformationExtraction   OPML Reader

opml_support      Ontology                OPML Support
opossum              SearchEngine               Opossum

oracle_11g           DatabaseDatastore          Oracle Spatial 11g

ordi_sg              ApisMiddleware             ORDI SG

owl_api              Ontology                   OWL API

owl_consistency_checker                         OWL Consistency checker

owl_module_extractor Ontology                   OWL Module Extractor

owl_syntax_converter OntologyMapperMediator     OWL Syntax Converter

owl_validator        Validator                  OWL Validator

owl_verbalizer       Ontology                   OWL Verbalizer

owl_dl_validator     Validator                  OWL-DL Validator

owlim                DatabaseDatastore          OWLIM

owljesskb            InferenceEngine            OWLJessKB

owllib               Ontology                   OWLLib

owl_s_ide            IdeProgrammingEnvironment OWL-S IDE
owl_s2uddi           ParserConverter           OWL-S2UDDI

owl_s_editor         OntologyVocabularyEditor   OWL-S-editor

owlsight             KRBrowser                  OwlSight

owls_mx              OntologyMapperMediator     OWLS-MX

owlviz               Visualization              OWLViz
oyster               DatabaseDatastore          Oyster
paggr             InformationExtraction      paggr

pedro             DataPresentation           Pedro

pellet            InferenceEngine            Pellet

pellint           Ontology                   Pellint

phesesame         QueryLanguageService       Phesesame

photostuff        Annotator                  PhotoStuff

php_xml_classes   RdfTools                   PHP XML Classes

piggy_bank        KRBrowser                  Piggy Bank

pigsty            Multimedia                 Pigsty

pike              IdeProgrammingEnvironment Pike

pimiento          NlpLanguageProcessor       Pimiento

ptsw              PingingNotification        PingtheSemanticWeb

pipes             MashupMeshupFramework      Pipes

placemaker        InformationExtraction      Placemaker

platypus_wiki     WikiRelated                Platypus Wiki

poolparty         OntologyVocabularyEditor   PoolParty
por               IdeProgrammingEnvironment POR

potluck           OntologyMapperMediator     Potluck

powl              Ontology                   pOWL

prefuse           Visualization              prefuse

prior             OntologyMapperMediator     PRIOR+

profium           DatabaseDatastore          Profium Metadata Server

prompt            Ontology                   PROMPT

protege           OntologyVocabularyEditor   Protégé
protege_plugins   OntologyVocabularyEditor   Protégé Plugin Library

proximic          InformationExtraction      Proximic

proximity         InformationExtraction      Proximity

pubby             QueryLanguageService       Pubby

pushback          RdfEditor                  pushback
pychinco     InferenceEngine         Pychinco

pyrple       ParserConverter         pyrple

pysesame     ParserConverter         PySesame
qedwiki      WikiRelated             QEDWiki

quanta       KRBrowser               Quanta

queso        KRBrowser               Queso

racer        InferenceEngine         RACER

racerpro     InferenceEngine         RacerPro
radar        NlpLanguageProcessor    RADAR

rap          RdfTools                RAP

rap_netapi   DatabaseDatastore       RAP NetAPI

rapidminer   MachineLearning         RapidMiner

rapptor      CompositeAppFramework   RAPPTOR

raptor       ParserConverter         Raptor
rasqual              QueryLanguageService   Rasqual

razorbase            KRBrowser              Razorbase

rcache               Wrapper                rCache

rdf_alchemy          RdfTools               RDF Alchemy

rdf_api              RdfTools               RDF API

rdf_cck              RdfTools               RDF CCK

rdf_entity_manager   RdfTools               RDF Entity Manager

rdf_evoc             Ontology               RDF evoc (external vocabulary

rdf_filter           RdfTools               RDF Filter

rdf_gateway          DatabaseDatastore      RDF Gateway

rdf_gravity          Visualization          RDF Gravity

rdf_infered          RdfEditor              RDF InferEd

rdf_metadata         RdfTools               RDF Metadata Module

rdf_sparql           Sparql                 RDF SPARQL Endpoint

rdf_sparql_proxy     QueryLanguageService   RDF SPARQL Proxy
rdf_viewer           RdfTools                   RDF Viewer
rdf_notation3        ParserConverter            RDF::Notation3

rdf_sesame           ApisMiddleware             RDF::Sesame

rdf_simple           ParserConverter            RDF::Simple

rdf2datarss          ParserConverter            RDF2dataRSS

rdf2go               DatabaseDatastore          RDF2Go

rdf2html             ParserConverter            RDF2HTML

rdf2rdfa             ParserConverter            RDF2RDFa

rdfabout_validator   Validator         Validator

rdfapi_js            RdfEditor                  RDFAPI-JS

rdfauthor            RdfTools                   RDFAuthor

rdfcontext           RdfTools                   RDFContext Tools

rdfds_js             IdeProgrammingEnvironment rdfds.js

rdfe                 RdfEditor                  RDFe

rdf_ease             DataLanguage               RDF-EASE

rdfgravity           Visualization              RDFGravity

rdfgrowthserver      DatabaseDatastore          RDFGrowthServer
rdfizers       ParserConverter          RDFizers

rdflib         IdeProgrammingEnvironment RDFLib

rdfparser      ParserConverter          RDFParser

rdfquery       QueryLanguageService     rdfQuery

rdfreactor     RdfTools                 RDFReactor

rdfstats       RdfTools                 RDFStats

rdfstore       DatabaseDatastore        RDFStore
rdfsuite       RdfTools                 RDFSuite

rdfx           RdfTools                 RDFX

rdfxslt        RdfTools                 RDFXSLT

rdig           Harvester                Rdig

rdql           QueryLanguageService     RDQL

redefer        ParserConverter          ReDeFer

redfoot        IdeProgrammingEnvironment Redfoot

redland        CompositeAppFramework    Redland

redland_ruby   IdeProgrammingEnvironment Redland-Ruby
refiner          KnowledgeBaseService       Refiner++

reise            SearchEngine               ReISE

rej              RdfEditor                  Rej

relationalowl    InformationExtraction      RelationalOWL

resesame         RdfTools                   resesame

retax            OntologyVocabularyEditor   ReTAX+

rfc_3986_check   Validator                  rfc-3986 check
rhizome_wiki     WikiRelated                Rhizome Wiki

rhodonite        KRBrowser                  Rhodonite

rich_snippets    RdfGenerator               Rich Snippets Testing Tool

rimom            OntologyMapperMediator     RiMOM

rio              ParserConverter            Rio

ripple           DataLanguage               Ripple

rkbgadgets       UserInterfaceSemantic      RKBGadgets

rng2grddl.xsl    ParserConverter            rng2grddl.xsl

roadrunner       Wrapper                    Roadrunner
rowl           Ontology                 ROWL

rubyfulsoup    Wrapper                  RubyfulSoup

rubyrdf        IdeProgrammingEnvironment rubyrdf
rule_manager   RuleBasedProcessing       Rule Manager

rx4rdf         CompositeAppFramework    Rx4RDF

s3db           CompositeAppFramework    S3DB - simple sloppy semantic

sage           Ontology                 Sage

sahi           UtilitiesSemweb          Sahi

sameas         LinkedData               sameAs

samizdat       WikiRelated              Samizdat

sawsdl         Annotator                SAWSDL Editor

scaffold       Wrapper                  Scaffold

scardf         DataLanguage             Scardf

schema_cache   Ontology                 Schema-Cache

scone          NlpLanguageProcessor     Scone
scrapbook           Wrapper                  ScrapBook

scrapes             Wrapper                  Scrapes

scrapi              Wrapper                  scrAPI

screen_scraper      Wrapper                  screen-scraper

scrubyt!            Wrapper                  scRUBYt!

sdb                 DatabaseDatastore        SDB

seal                InformationExtraction    SEAL

seamark_navigator   CompositeAppFramework    Seamark Navigator

searchy             SearchEngine             Searchy

segmentationapp     Ontology                 SegmentationApp

semantic_bank       DatabaseDatastore        Semantic Bank

semantic_data_extractor                      Semantic Data Extractor

semantic_discovery_system                    Semantic Discovery System

semantic_engine     SearchEngine             Semantic Engine
semantic_explorer     Visualization           Semantic Explorer

semantic_mediawiki    WikiRelated             Semantic Mediawiki

semantic_net_generator                        Semantic Net Generator

semantic_radar        UtilitiesSemweb         Semantic Radar

semantic_search       SearchEngine            Semantic Search

semantic_server       DatabaseDatastore       Semantic Server

semantic_service_bus CompositeAppFramework    Semantic Service Bus

semantic_tools_ws     Annotator               Semantic Tools for Web Services

semantic_turkey       SemanticTagger          Semantic Turkey

semantic_visits       UtilitiesSemweb         Semantic Visits

semantic_web_assistant                        Semantic Web Assistant

semantic_web_client   RdfTools                Semantic Web Client

semantic_web_pipes MashupMeshupFramework      Semantic Web Pipes

semantica             CompositeAppFramework   Semantica

semantichacker        InformationExtraction   SemanticHacker
semanticminer   Harvester                SemanticMiner

semanticword    Annotator                SemanticWord

semclip         RdfTools                 SemClip

semcocoon       ApisMiddleware           SemCocoon

semfs           ApisMiddleware           SemFS

semmf           OntologyMapperMediator   semMF

semperwiki      WikiRelated              SemperWiki

semplore        SearchEngine             Semplore

semsearch       SearchEngine             SemSearch

semsol          WikiRelated              SemSol

semversion      RdfTools                 SemVersion
semweb          DatabaseDatastore        SemWeb

semweb4j        CompositeAppFramework    semweb4j

semwiki         WikiRelated              SemWiki
sesame          DatabaseDatastore        Sesame

sesame_jena     ParserConverter          Sesame-Jena Adapter

seth            Ontology                 SETH
sewese              CompositeAppFramework   Sewese

shame               Annotator               SHAME (Standardized Hyper
                                            Adaptible Metadata Editor)

sheaflight          KRBrowser               Sheaflight

sher                InferenceEngine         SHER

sidewinder          CompositeAppFramework   Sidewinder

sie                 InformationExtraction   SIE

sifter              Wrapper                 Sifter              KRBrowser     

silk                LinkedData              SILK

simmetrics          NlpLanguageProcessor    SimMetrics

sindice             SearchEngine            Sindice

sindice_inspector   UtilitiesSemweb         Sindice Inspector

sioc_exporter       WikiRelated             SIOC Exporter
siren         SearchEngine               SIREn

sitescraper   Harvester                  SiteScraper

skos2gentax   ParserConverter            SKOS2GenTax

skosed        OntologyVocabularyEditor   SKOSEd

slrp          CompositeAppFramework      SLRP

smob          WikiRelated                SMOB (Semantic Microblogging)

smore         Ontology                   SMORE

snaket        SearchEngine               SnakeT
snoggle       OntologyMapperMediator     Snoggle

soboleo       Ontology                   SOBOLEO

sofa          Ontology                   SOFA

solvent       Wrapper                    Solvent

sommer        RdfTools                   sommer

soprano       DatabaseDatastore          Soprano

sparallax     KRBrowser                  Sparallax

sparcool      LinkedData                 SPARCool
sparql          DataLanguage           SPARQL

sparql_js       Sparql                 SPARQL JavaScript Library

sparql_editor   Sparql                 sparql-editor

sparqler        QueryLanguageService   SPARQLer

sparqlette      QueryLanguageService   SPARQLette

sparqlfed       QueryLanguageService   SPARQLfed

sparqlmotion    DataLanguage           SPARQLMotion

sparql_query    QueryLanguageService   sparql-query

sparqltree      DataPresentation       SPARQLTree

sparqlxmpp      ChatRelated            SparqlXMPP

sparta          RdfTools               Sparta

spasql          QueryLanguageService   SPASQL

specgen         Ontology               SpecGen
spin                  DataLanguage            SPIN

spiral                ParserConverter         Spiral
squirrelrdf           Rdfizer                 SquirrelRDF

strata                KRBrowser               Strata

structured_blogging   Blog                    Structured Blogging

structwsf             CompositeAppFramework   structWSF

stylid                WikiRelated             StYLiD

surf                  RdfTools                SuRF

surnia                InferenceEngine         Surnia

svmlight              NlpLanguageProcessor    SVMlight

swaml                 RdfGenerator            SWAML

swangler              SearchEngine            Swangler

swclos                IdeProgrammingEnvironment SWCLOS
swede          IdeProgrammingEnvironment SWeDE

sweet_tools    Listing                    Sweet Tools

sweetrules     RuleBasedProcessing        SweetRules

sweetwiki      WikiRelated                SweetWiki

swehg          RdfTools                   SWeHG

swignition     ParserConverter            Swignition

swi_prolog     CompositeAppFramework      SWI-Prolog

swish          InferenceEngine            Swish

swoogle        SearchEngine               Swoogle

swoop          OntologyVocabularyEditor   SWOOP

sword          CompositeAppFramework      SWORD

swse           SearchEngine               SWSE

tabulator      KRBrowser                  Tabulator

tagfinder      InformationExtraction      TagFinder

taghelper      InformationExtraction      TagHelper

tails          Microformat                Tails

tails_export   Microformat                Tails Export
tal4rdf              DataPresentation           Tal4RDF

talis_platform       CompositeAppFramework      Talis Platform

talis_semantic_converter                        Talis Semantic Converter

telescope            RdfTools                   Telescope

tematres             OntologyVocabularyEditor   TemaTres

termextractor        InformationExtraction      TermExtractor

terminator           OntologyMapperMediator     Terminator

termine              NlpLanguageProcessor       TerMine

text2onto            InformationExtraction      Text2Onto

textgarden           NlpLanguageProcessor       TextGarden

tgviztab             Visualization              TGVizTab

thea                 Ontology                   Thea
thea_vba            KRBrowser                Thea-VBA

thema               IdeProgrammingEnvironment Thema

thmanager           Ontology                 ThManager

thoughttreasure     NlpLanguageProcessor     ThoughtTreasure

ties                InformationExtraction    TIES

timeline            Visualization            Timeline

toko                NlpLanguageProcessor     tOKo

tones               Ontology                 TONES Ontology Repository

top_engine          InferenceEngine          Top Engine

topbraid_composer   CompositeAppFramework    TopBraid Composer

topic_maps          TopicMap                 Topic Maps (etc)

topicalizer         NlpLanguageProcessor     Topicalizer

topincs             Ontology                 Topincs
topodia       KRBrowser               Topodia

touchgraph    Visualization           TouchGraph

trailblazer   KRBrowser               Trailblazer

tramp         RdfTools                TRAMP
trang         ParserConverter         Trang
treebank      NlpLanguageProcessor    Treebank

trellis       Annotator               Trellis

trex          InformationExtraction   TRex

trice         CompositeAppFramework   Trice

trie          InferenceEngine         TRIE / Inference Explorer

trig          DataLanguage            TriG

triple        DataLanguage            Triple

triple20      RdfEditor               Triple20

triplesoup    DatabaseDatastore       TripleSoup

triplify      RdfGenerator            Triplify

triplipse     Visualization           Triplipse
triplr          RdfTools                Triplr

trippi          QueryLanguageService    Trippi

triql           QueryLanguageService    TriQL

trueknowledge   SearchEngine            TrueKnowledge

trynt           InformationExtraction   Trynt
tucana          DatabaseDatastore       Tucana Suite

tulip           Visualization           Tulip

turtle          DataLanguage            Turtle

twine           KRBrowser               Twine

twinkle         QueryLanguageService    Twinkle

ubiquity        MashupMeshupFramework   Ubiquity

ubiquity_rdfa   ParserConverter         Ubiquity-RDFa

uformatparser   Microformat             uformatparser

uformats        Microformat             Uformats

uri_debugger    LinkedData              URI Debugger
uriburner              RdfTools                 URIBurner

uriqr                  SearchEngine             Uriqr

vague                  QueryLanguageService     Vague Query Responder

vapour                 Validator                Vapour

versa                  QueryLanguageService     Versa

veudas                 RdfEditor                Veudas

vine                   OntologyMapperMediator   Vine

virtuoso               DatabaseDatastore        Virtuoso

virtuoso_scripts       Rdfizer                  Virtuoso-RDFizer-Mapper-Scripts

visinav                KRBrowser                VisiNav

visioowl               Visualization            VisioOWL

visual_browser         Visualization            Visual Browser

visual_knowledge       CompositeAppFramework    Visual Knowledge

visual_ontology_manager                         Visual Ontology Manager

visualisations_cs_aktive_portal                 Visualisations for the CS AKTive
visualkii           IdeProgrammingEnvironment VisualKii

visuatext           InformationExtraction      VisuaText

vivid               Visualization              VIVID

vizigator           Visualization              Vizigator

voc2rdf             RdfGenerator               voc2rdf

vue                 Annotator                  VUE

w_blogger           WikiRelated                w.blogger

w3c_rdf_validator   Validator                  W3C RDF Validator
watson              SearchEngine               Watson

web_clipboard       UtilitiesSemweb            Web Clipboard

web_ontology_manager ntology                   Web Ontology Manager

web2x_publishing    Annotator                  Web2x Publishing

webcat              InformationExtraction      WebCAT

webextractor        Wrapper                    webExtractor

web_harvest         Wrapper                    Web-Harvest

webonto             OntologyVocabularyEditor   WebOnto

webscripter         Ontology                   WebScripter
weesa              RdfGenerator              WEESA

weka               InformationExtraction     Weka

welkin             Visualization             Welkin

weso               InferenceEngine           Weso

wgfa               Annotator                 WGFA

whirl              NlpLanguageProcessor      WHIRL

wikifier           InformationExtraction     Wikifier

wikiprofessional   WikiRelated               WikiProfessional

wiksar             WikiRelated               WikSAR

wilbur             IdeProgrammingEnvironment Wilbur

wom                Ontology                  WOM

wraf               RdfTools                  Wraf

wsdl2owl_s         ParserConverter           WSDL2OWL-S

wsmo_studio        CompositeAppFramework     WSMO Studio
wsmt_toolkit       CompositeAppFramework     WSMT Toolkit

wsmx               CompositeAppFramework     WSMX

www_mechanize      Wrapper                   WWW::Mechanize
xcerpt             QueryLanguageService    Xcerpt

xlwrap             ParserConverter         XLWrap

xmlowl2            ParserConverter         XML2OWL

xml2owl            ParserConverter         xml2owl

xml2rdf            ParserConverter         XML2RDF

xmp                Annotator               XMP

xoperator          ChatRelated             xOperator

xparql             QueryLanguageService    XPARQL

xsd2owl            ParserConverter         XSD2OWL

xwrapelite         Wrapper                 XWRAPElite

yahoo_extraction   InformationExtraction   Yahoo Term Extraction Service

yars               DatabaseDatastore       YARS

ylvi               WikiRelated             Ylvi
zebra                SearchEngine            Zebra

zemanta              WikiRelated             Zemanta

zeus_agent           AgentsAgentSystems      Zeus Agent Toolkit

zitgist_dataviewer   KRBrowser               Zitgist DataViewer

zlinks               KRBrowser               zLinks

zoomclouds           InformationExtraction   ZoomClouds
zoominfo             SearchEngine            ZoomInfo

zotero               KRBrowser               Zotero

ztm                  TopicMap                ZTM (Zope Topic Map)







bin/trac.cgi/wiki/Ruby/MicroformatParser URIBurner
&description                                                                                     &foss
/facet (pronounced "slashfacet") is a generic browser for heterogeneous semantic web              Yes
repositories. The browser works on any RDFS dataset without any additional
configuration. It has some unique features.
A core C library that uses MySQL to store its raw RDF data and caches, forming an                 Yes
important part of the infrastructure required to support a range of knowledgeable
The 4Suite 4RDF an open-source platform for XML and RDF processing implemented in                 Yes
Python with C extensions
The ACE Program is developing extraction technology to support automatic processing               Yes
of natural text, including classification, filtering, and selection, with specific emphasis on
the detection and characterization of Entities, Relations, and Events

ActiveOntology is a library, written in Ruby, for easy manipulation of RDF and RDF-               Yes
Schema models, thru a dynamic DSL based on Ruby idiom.
ActiveRDF is a library for accessing RDF data from Ruby programs. It can be used as               Yes
data layer in Ruby-on-Rails. You can address RDF resources, classes, properties, etc.
programmatically, without queries
ActiveTags is a Firefox extension, which allows you to make use of tags anywhere on               Yes
the Web. Based on the tags of a Web page, relevant mashups are automatically shown.
A few tags can lead to maps, book information, or similar resources being shown. Where
such connections do not exist, they can be created by the users

ACUITy (Adaptive Work-Centered User Interface Technology) is an open-source                       Yes
framework and architecture for developing semantically-enabled mixed initiative User
Interfaces (semantic)
A user-centred ontology building environment, based on using multiple strategies to               Yes
construct an ontology, minimising user input by using adaptive information extraction

The Aduna Metadata Server automatically extracts metadata from information sources,               No
like a file server, an intranet or public web sites. The Aduna Metadata Server is a
powerful and scalable store for metadata
A highly configurable and scalable rules-based entity extraction engine from Lockheed             No
The AllegroGraph Web View is an interface for exploring, querying, and managing                  Yes/No
AllegroGraph triple stores through a web browser.
The Adaptive Information Disclosure (AID) project is part of a larger effort that aims at         Yes
the creation of a so-called Virtual Lab environment for e-science . AID includes a suite of
dynamic, model-driven information and knowledge extraction tools on top of an
architecture for grid-based distributed data analysis, slated for completion in 2008. The
AIDA Toolkit is based off of Taverna
This library provides data handling for AJAX applications, including web access, store,           Yes
and query
A competence map for members of the AKT project; it is an informal modelling method               Yes
that is based on a specialisation of Entity Relational Data Modelling method

An open, lightweight, Web standards-based communication infrastructure to support                 Yes
interoperability among knowledge services.
AKTive Media is an ontology based cross-media annotation (Images and Text) system.               Yes
It supports a broad range of image types. Its goal is to automate the process of
annotation by suggesting knowledge to the user in an interactive way during annotation
to minimize effort.
The Alembic Workbench project from Mitre has as its goal the creation of a natural               Yes
language engineering environment for the development of tagged corpora
Algae is an RDF query language used in the W3C Annotea Server. Algae can be used to              Yes
query a graph, insert data into a graph, or write rules to automatically insert data when a
query is matched. Because of this flexibility, Algae has also served as a research
platform for studies in interfacing with relational databases and system information

AliBaba is a collection of modules that provide simplified RDF store abstractions to             Yes
accelerate development and facilitate application maintenance. AliBaba combines RDF
with an object-oriented (OO) programming model to provide programmers with
increased expressivity and a simplified subject-oriented IDE/Programming Environment.
The alpha release includes a metadata server, an object repository (based on Sesame),
federation capabilities and concurrent optimistic serializable transactions.

Franz Inc's AllegroGraph is a system to load, store and query RDF data. It includes a           Yes/No
SPARQL interface and RDFS reasoning. It has a Java and a Prolog interface

An ontology-based workflow engine in Java supporting the ARTEMIS project; part of the            Yes
OntoWare initiative
Visual RDF and OWL editor that auto-generates RDF/XML or nTriples based on visual                No
ontology design
ALVIS aims to provide a free, standalone semantic-based search system in order to                Yes
enable application-domain experts to readily build topic-specific search sites (prototype)

The AMALGAM (Automatic Mapping Among Lexico-Grammatical Annotation Models)                       Yes
project is an attempt to create a set of mapping algorithms to map between the main
tagsets and phrase structure grammar schemes used in various research corpora.
Software has been developed to tag text with up to 8 annotation schemes. May be
An adaptive information extraction tool designed to support document annotation for the          Yes
Semantic Web.
Amine is a Multi-Layer Platform implemented in Java. It provides various Engines and             Yes
GUIs to build a wide variety of Ontology-based applications, Conceptual Graph based
applications, Intelligent Systems and Multi-Agents Systems
Anacubis is a visual analysis tool the lets its users visualize the relationships between        No
entities in a collection of information. The visualization is rather similar to concept maps.
Anacubis is now part of i2 ChoicePoint
An open-source robust information extraction system. GATE is distributed with ANNIE,             Yes
A Nearly-New IE system. ANNIE relies on finite state algorithms and the JAPE
An annotation framework for browser pages (plug-in); Annotea enhances collaboration              Yes
via shared metadata based Web annotations, bookmarks, and their combinations

The Annozilla project has been established to create a Web annotation tool for Mozilla           Yes
Web browsers such as Firefox
 Metafy's Anthracite Web Mining Desktop toolkit gives you the tools you need to build              No
powerful data processing systems with an easy-to-use visual interface that makes
complex manipulations quickly possible. Anthracite is built for people who need to
transform internet sources and/or large data sets into integrated information quickly and
easily without scripting. Mac OS X only
ANTLR, ANother Tool for Language Recognition, (formerly PCCTS) is a language tool                 Yes
that provides a framework for constructing recognizers, compilers, and translators from
grammatical descriptions containing Java, C#, C++, or Python actions.

Anything To Triples (any23) is a library and web service that extracts structured data in         Yes
RDF format from a variety of Web documents. Currently it supports the following input
formats: RDF/XML, Turtle, Notation 3, RDFa; and the microformats ofAdr, Geo,
hCalendar, hCard, hListing, hResume, hReview, License, XFN
Anzo is an open source enterprise-featured RDF store and middleware platform that                 Yes
provides support for multiple users, distributed clients, offline work, real-time notification,
named-graph modularization, versioning, access controls, and transactions with
preconditions. Open Anzo works with the underlying relational databases of IBM DB/2,
Oracle, MySQL, PostGres and Apache Derby
Aperture is a Java framework for extracting and querying full-text content and metadata           Yes
from various information systems (e.g. file systems, web sites, mail boxes) and the file
formats (e.g. documents, images) occurring in these systems
Adaptable Presentation and Embedded-data eXtensions (APEX) Data Widgets are small                 Yes
pieces of code that are placed inside web pages. Once the code has been placed in a
page, some minor configuration changes are made and the page is instantly data-
enabled. Both a Tester and Viewer are available
Apolda (Automated Processing of Ontologies with Lexical Denotations for Annotation) is            Yes
a plugin (processing resource) for GATE ( The Apolda processing
resource (PR) annotates a document like a gazetteer, but takes the terms from an
(OWL) ontology rather than from a list.
Formal Concept Analysis (FCA) is used in a variety of application scenarios in AKT in             Yes
order to perform concept-based domain analysis and automatically deduce a taxonomy
lattice of that domain.
AquaBrowser is a faceted browser specifically designed for libraries and works off of its          No
own local content index. Faceted search and graphical relatedness dispalys are
included. Interfaces are quite attractive
Aqualog is a system which answer questions written in English. It combines several                Yes
technologies Natural Language Processing, Logic, Information Retrieval and Ontologies.

ARC is a lightweight, SPARQL-enabled RDF system for mainstream Web projects. It is                Yes
written in PHP and has been optimized for shared Web environments
Ariel is a Ruby library that allows you to extract information from semi-structured               Yes
documents (such as websites). It is different to existing tools because rather than
expecting the developer to write rules to extract the desired information, Ariel will use a
small number of labeled examples to generate and learn effective extraction rules

Exploits the redundancies apparent in the Internet, combining many information sources            Don't
to perform document annotation with minimal human intervention.                                   Know
ARP is Another RDF Parser, used for Jena RDF/XML. It is Java-based and compliant                   Yes
with many standards
ARQ is a query engine for Jena that supports the SPARQL RDF Query language.                       Yes
SPARQL is the query language developed by the W3C RDF Data Access Working
A system that automatically extracts information about artists from the web, populates an    Don't
ontology, then uses the knowledge to generate personalised biographies.                      Know

ArtificialMemory is an innovative personal and enterprise knowledge management               Don't
system integrating Wiki, Personal Information-, Weblog-, and Document Management             Know
System (DMS).
The Asio Tool Suite supports information discovery via W3C Semantic Web standards             No
and provides for data accessibility via queries posed in a user‘s own ontology. It
includes Asio Parliament for storage, Asio Cartographer for ontology mapping and Asio
Scout for federated queryinig and bridging to relational data stores.

ASIS (Ada Semantic Interface Specification) for GNAT on gcc. ASIS is a published              Yes
international ISO standard (ISO/IEC 15291:1999). ASIS based tools are available as well

ASMOV, which stands for Automated Semantic Mapping of Ontologies with Validation, is          No
an automatic ontology matching tool which has been designed in order to facilitate the
integration of heterogeneous systems, using their data source ontologies.

ATLAS (Architecture and Tools for Linguistic Analysis Systems) is a joint initiative of       Yes
NIST, MITRE and the LDC to build a general purpose annotation architecture and a data
interchange format. The starting point is the annotation graph model, with some
significant generalizations. Download now available from jATLAS -
Aduna AutoFocus helps you to search and find information on your PC, network disks,           Yes
mail boxes, websites and AutoFocus Server sources. Presentation is done via cluster
maps. There is a server-side complement; the system runs on Windows, though other
download options are available.
Knowledge management using multi-modelling techniques and how modelling activities            No
may be assisted with automation based on formal methods.

AutoSemantix is a round-trip code generation tool designed to streamline the creation of      Yes
Semantic Web applications for the Java platform
BAAGZ is plug-in assisted online service that brings together search and social              Online
networking. BAAGZ uses its semantic description of every Web site stored in localized
repositories to determine what that "baag" is about whether or not a given Web site is
specifically tagged by a user. The system then uses this knowledge for search and
retrieval. Baagz is currently available for Firefox 2+ only
Babel can be used to convert between various data formats including Excel, RDF,               Yes
JSON, N3, etc.
Banach is a collection of operators that work on RDF graphs to infer, extend, emerge or       Yes
otherwise transform a graph into another. You can think of it as a transformation pipeline
for RDF with a collection of implemented commands.
BaseVISor is a forward-chaining inference engine specialized to handle facts in the form     Mixed
of RDF triples with support for RuleML, R-Entailment and XML Schema Datatypes.
BaseVISor is a Java application and API.
Beagle++ is an extensions to the Beagle search tool for the personal information space.       Yes
Beagle++ now makes that search semantic, moving towards a vision of the Semantic
BibSonomy is a Web-based social resource sharing system that allows users to organize         Yes
and share bookmarks and publications collaboratively
Bibster is a Java-based semantics system which assists researchers in managing,                 Yes
searching, and sharing bibliographic metadata (e.g. from BibTeX files) in a peer-to-peer
networked bibliographic peer-to-peer system
Metasearcher that clusters results into the DMOZ categorization structure                       Yes
Blacklight is an open source OPAC (online public access catalog). That means libraries          Yes
(or anyone else) can use it to allow people to search and browse their collections online.
Blacklight uses Solr to index and search, and it has a highly configurable Ruby on Rails
blinkx is a video search service that uses speech-to-text technology, advanced video           Online
analytics, and other information extraction to process as much information as possible
for search and automatic hyperlinking of related content or implicit query
The blueorganizer is smart browsing and personalization technology using limited                No
semantic technology
BMEcat2GoodRelations is an on-line conversion tool that creates linked data for                Online
GoodRelations product and offering data in RDF/XML from catalogs in the popular XML
format BMEcat 2005.
IBM's Boca is an enterprise-featured RDF store that provides support for multiple users,        Yes
distributed clients, offline work, real-time notification, named-graph modularization,
versioning, access controls, and transactions with preconditions; see SLRP

The Boost Graph Library is a generic interface that allows access to a graph's structure,       Yes
but hides the details of the implementation. This is an ``open'' interface in the sense that
any graph library that implements this interface will be interoperable with the BGL
generic algorithms and with other algorithms that also use this interface. The BGL
provides some general purpose graph classes that conform to this interface

A description logic (DL) reasoner that can be integrated into Sesame. BOR is a SHQ(D)           Yes
reasoner (SHQ(D) is SHOQ(D) without nominals). It provides comprehensive DAML+OIL
support and is compliant with the latest OWL specifications. For performance reasons, it
is recommended to choose OWLIM instead

Bossam, a rule-based OWL reasoner (free, well-documented, closed-source). For                   Yes
downloads, see
Brahms is a fast main-memory RDF/S storage, capable of storing, accessing and                   Yes
querying large ontologies. It is implemented as a set of C++ classes
Brainlets are "domain specific applications" that run inside DBin. Brainlets provide your       Yes
local DBin installation with the proper user interface, ontologies (domain vocabularies),
rules, annotation types, domain queries to comfortably interact with the topic of choice.

The BrownSauce RDF browser is a project to aggregate and present arbitrary RDF data             Yes
in as pleasing a manner as possible, that is a 'semantic web browser'. Brownsauce is a
local http server; however it should be trivial to add other front-ends allows you to navigate arbitrary RDF datasets using an exploration                Yes
technique called "faceted browsing". This technique lets you easily navigate through
unfamiliar datasets
BuddyFinder-CORDER can automatically produce a ranked list of buddies to match a                Yes
user's search requirements specified in a term-based query, even in the absence of
stored user-profiles.
Instant messaging with custom map visualizations, semantics of presence (beyond                 Yes
'offline'/'online'/'away' status) and value-added web services (group alerts, bots,
inferences via personal profiles)
Caboto is an RDF-based Web annotations system to allow people to annotate events              Yes
and other things. The Caboto project was setup to create a collaborative effort to fulfill
the requirements of Collaborative Research on the Web (CREW) - University of Bristol
and University of Manchester; Semantic Tools for Screen Arts Research (STARS) -
University of Bristol; and Integration Project (CIP) - University of Bristol

Open Calais is free limited API web service to automatically attach semantic metadata to     Yes/No
content, based on either entities (people, places, organizations, etc.), facts (person ‗x‘
works for company ‗y‘), or events (person ‗z‘ was appointed chairman of company ‗y‘ on
date ‗x‘). The metadata results are stored centrally and returned to you as industry-
standard RDF constructs accompanied by a Globally Unique Identifier (GUID). It is an
update of the earlier ClearForest SWS
The Callisto annotation tool was developed to support linguistic annotation of textual        Yes
sources for any Unicode-supported language with annotation support from jATLAS

CARA (*CA*RMEN *R*DF *A*PI) provides an API for the Resource Description                      Yes
Framework (RDF) written in Perl. The API is based on the graph model of RDF, supports
in-memory and persistant storage and includes an RDF Parser
Carp (Convenient API for RDF) is a simple API for RDF programming; password                   Yes
required for access
Automatic document clustering engine that works with Lucene and Lucene derivatives.           Yes
Also now available as standalone, online and Firefox plugin versions.
A tool for producing system architecture diagrams from service and data descriptions.         Yes

The Cashew project concerns the description and composition of semantic web-                  Yes
services, unlike most efforts from the semantic web community, the primary flavour of
semantics concentrated on is behavioural semantics. The Cashew project is inspired by
both OWL-S and WSMO, as well as by BPEL, Workflow Patterns and UML.

The purpose of this project is to facilitate the composition of semantic web services. It     Yes
consists of two parts, of which this is one
Content-Based Cross-Site Mining (CCM) of Web Data Records algorithm combines                  Yes
techniques of extracting data records based on the structure of documents (HTML tags)
with an analysis of the semantics of the content for better data record extraction

A technology platform that is used by enterprises to build model-driven applications and      No
highly adaptive information integration infrastructure; company recently bought by
Charon is a framework for building RDFizing proxies that are intended to wrap around          Yes
existing web sites, screen-scrape their HTML output and provide an RDF representation
of that data. It requires Apache Cocoon ver. 2.2. Older project no longer supported

Chickenfoot is a Firefox extension that puts a IDE/Programming Environment in the             Yes
browser's sidebar so you can write scripts to manipulate web pages and automate web
Chimaera is a software system that supports users in creating and maintaining                 Yes
distributed ontologies on the web. Two major functions it supports are merging multiple
ontologies together and diagnosing individual or multiple ontologies.
A text classification web service for classifying documents according to the ACM              Yes
Computing Classification System.
ClearTK provides a framework for developing statistical natural language processing          Yes
components in Java and is based on the Apache UIMA framework for text analysis. It
includes an extraction library, common interface and wrappers for machine learning
libraries, infrastructure for creating NLP components such as sequential taggers,
chunkers, syntactic parsers, semantic role labeling, temporal resolution, etc., and
wrappers for common NLP components. such as the Snowball stemmer and OpenNLP
syntactic parser.
A platform for semantic Web applications with a SeRQL/SPARQL query engine,                   Yes
interface to the The Yahoo! User Interface Library (YUI) and libraries that support
semantic search. The platform combines a high performance in-core RDF store with
flexible reasoning in Prolog, query optimization. Prolog's interactive usage and
capabilities of recompiling modified source code while the system remains alive greatly
speedup development
Clipmarks lets you clip and tag pieces of web pages, viewed through the Clipmarks Web        Yes
Clustybar enables search and cluster results from several search engines and get             Yes
dictionary and encyclopedia definitions for any term
CMS (CROSI Mapping System) is a structure matching system that capitalizes on the            Yes
rich semantics of the OWL constructs found in source ontologies and on its modular
architecture that allows the system to consult external linguistic resources

A knowledge acquisition tool which can be used to produce a set of cases for use with a      Yes
Case-Based Reasoning system.

COE (CmapTools Ontology Editor) is a specialized version of the CmapTools from              Mixed
IMHC. COE -- and its CmapTools parent -- is based on the idea of concept maps. A
concept map is a graph diagram that shows the relationships among concepts.
Concepts are connected with labeled arrows, with the relations manifesting in a
downward-branching hierarchical structure. COE is an integrated suite of software tools
for constructing, sharing and viewing OWL encoded ontologies based on these
CognitionSearch , with beta examples for wikis (Wikipedia), health, case studies, and       Online
government, is a lininguistic search technology. It uses semi-supervised word
disambiguation and a verly large dictionary
COHSE researches methods to improve significantly the quality, consistency and               Yes
breadth of linking of WWW documents at retrieval and authoring time.

Collex is the social-software component of NINES, a collections and exhibits builder that    Yes
operates with NINES peer-reviewed resources. With Collex, you can collect digital
objects, and annotate and tag them. Coming in 2007 is a custom online exhibit builder

COMA++ is a schema and ontology matching tool with a comprehensive infrastructure.          Yes/No
Its graphical interface supports a variety of interaction
Compendium is a semantic, visual hypertext tool for supporting collaborative domain          Yes
modelling and real time meeting capture
A system to model, analyse, verify, validate, share, combine, and reuse domain               Yes
knowledge bases and ontologies, reasoning about their implication.
A service discovery system which uses ontology mapping techniques to support different      Don't
user vocabularies                                                                           Know
conStruct SCS is a structured content system that extends the basic Drupal content             Yes
management framework. conStruct enables structured data and its controlling
vocabularies (ontologies) to drive applications and User Interfaces (semantic). conStruct
provides Drupal-level CRUD (create - read - update - delete), data display templating,
faceted browsing, full-text search, and import and export over structured data stores
based on RDF. Depending on roles and permissions, a given user may or may not see
specific datasets or tools within the Drupal interface. Collaboration networks can readily
be established across multiple installations and non-Drupal endpoints.

OWL consistency checker from VIStology; input language options include OWL Full,               Yes
OWL DL, OWL Lite, RDFand DAML (deprecated)
Still under formulation (Danny Ayers): A Converter from RDF is a tool which converts           Yes
RDF into an application-specific format for use with existing tools and integration with
other data. Typically this will appear as part of a running system which provides a
domain-specific facet view of a given RDF application's data
Converter to RDF is a tool which converts application data from an application-specific        Yes
format into RDF for use with RDF tools and integration with other data. This site is a
listing of RDF converters; see also the RDFizers list below
ConWeaver comprises modules for the extraction and integration of information as well          No
as search. Information is extracted from distributed, heterogeneous data sources and
represented in a multilingual semantic knowledge network. ConWeaver is also able to
associate and classify documents with similar content or formal similarities.

Conzilla2 is a second generation concept browser and knowledge management tool with            Yes
many purposes. It can be used as a visual designer and manager of RDF classes and
ontologies, since its native storage is in RDF. It also has an online collaboration server.

CORDER (COmmunity Relation Discovery by named Entity Recognition) is an un-                    Yes
supervised machine learning algorithm that exploits named entity recognition and co-
occurrence data to associate individuals in a community with their expertise and
Corese stands for Conceptual Resource Search Engine. It is an RDF engine based on              Yes
Conceptual Graphs (CG) and written in Java. It enables the processing of RDF Schema
and RDF statements within the CG formalism, provides a rule engine and a query engine
accepting the SPARQL syntax
Online demo showing text mining, specifically entity and action extractions. Results are      Online
linked to Wikipedia for definitions and other relationships (also in Portuguese)

COW is a semantic wiki using KAON as backend that supports collaborative evolution of          Yes
ontologies by means of versioning, transactions, and management of simultaneous
Crowbar is a web scraping environment based on the use of a server-side headless               Yes
mozilla-based browser. It is used as a research prototype to investigate how to enable
the running of Piggy Bank JavaScript scrapers from the command line and thus
automating web sites scraping.
CS AKTiveSpace is a smart browser interface for a Semantic Web application that                Yes
provides ontologically motivated information about the UK computer science research
CubicWeb is a semantic web application framework to efficiently build Web applications        Yes
by reusing components (called cubes) and following object-oriented design principles. It
main features are: 1) an engine driven by the explicit data model of the application; 2) a
query language named RQL similar to SPARQL; 3) a selection and view mechanism for
semi-automatic XHTML/XML/JSON/text generation; 4) a library of reusable components

curl is a command line tool for transferring files with URL syntax, supporting FTP, FTPS,     Yes
certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP form based upload,
proxies, cookies, user+password authentication (Basic, Digest, NTLM, Negotiate,
kerberos...), file transfer resume, proxy tunneling and a busload of other useful tricks.
According to,
use cURL to test Semantic Web URIs and to diagnose some common problems

This is a listing of more than a dozen XSL transformations for embedded HTML dialects         Yes
into RDF using GRDDL. GRDDL is a technique for using XML/XHTML dialects
(especially microformats) as custom RDF syntaxes by having each document point,
directly or indirectly, to a transformation to an RDF graph. RDFa is a design for mixing
RDF syntax into HTML. GRDDL accomodates a wider variety of dialects at the expense
of asking consumers to execute potentially untrusted code. RDFa allows one parser to
work for data from a variety of domains and provides a direct relationship between the
RDF data and the HTML document structure, which provides better support for copy-and-
The Closed World Machine (CWM) data manipulator, rules processor and query system             Yes
mostly using using the Notation 3 textual RDF syntax. It also has an incomplete OWL
Full and a SPARQL access. It is written in Python
Cypher Generates RDF and SeRQL representation of natural language statements and              Yes
phrases (web site inactive)
Cytoscape is a large-scale graph visualization platform developed within the biology          Yes
community, but which is applicable to any standard graph. It is based in part on GINY
and Piccolo, and is extendable with specific graph analysis and visualization extensions

The D2P Database-to-Piggy-Bank Bridge is an extension to the Piggy Bank Semantic              Yes
Web browser which makes information stored in relational databases accessible to
Piggy Bank using D2RQ mappings
D2R MAP is a declarative language to describe mappings between relational database            Yes
schemata and OWL ontologies. This D2R processor implements the D2R mapping
language and exports data from a relational database as RDF, N3, N-TRIPLES or as
Jena models
D2R Server is a tool for publishing relational databases on the Semantic Web. The             Yes
server enables RDF and HTML browsers to navigate the content of non-RDF databases,
and allows applications to query the database using the SPARQL query language

D3E enables the easy conversion of websites or structured documents into interactive          Yes
discussion sites
Dannotate is an Annotea compatible annotation client which uses "Bookmarklets" to             Yes
provided the ability to annotate selected text of arbitrary web pages without the
requirement to install a browser plug-in
Dapper is a service that allows you to extract and use information from any website on       Yes/No
the Internet. Dapper acts as a Web service and API maker, enabling you to build web
applications and mashups using data from any website without any programming.
DARQ is a query engine for federated SPARQL queries. It provides transparent query            Yes
access to multiple, distributed SPARQL endpoints as if querying a single RDF graph.
DARQ enables the applications to see a single query interface, leaving the details of
federation to the query engine.
DartGrid is an application development framework together with a set of practical             Yes
semantic tools to facilitate the integration of heterogenous relational databases using
semantic web technologies; download requires registration
Install this script on your PHP+MySQL server to create your a space for publishing web        Yes
content within DBin (e.g a picture attachment or your public key). Installing your own
publishing service (instead of using our convenience service, will give you the greatest
freedom and control over the material you decide to publish.
Data Mashups is an online service for small enterprises and workgroups. It provides: 1)       No
personalized portals (enterprise start pages); 2) custom, composite business views and
applications. Data sources may include enterprise data, web services, web widgets, and
other web applications.
DBin brings the Semantic Web to the end users. By joining P2P groups and                      Yes
communities, users can annotate any topic or subject of interest and enjoy browsing and
editing in a semantically rich environment.
DBpedia Mobile is a location-centric DBpedia client application for mobile devices            Yes
consisting of a map view, the Marbles Linked Data Browser and a GPS-enabled
launcher application.
Search federator from deep Web sources with foreign language and enterprise-level             No
DeepaMehta is a "networked semantic desktop" that replaces the traditional computer           Yes
desktop. DeepaMehta enables users to arrange information of any kind and origin into
topic maps. There also graph interfaces and other differences from a standard desktop

Deki Wiki is a free open source wiki and application platform for communities and             Yes
enterprises. Deki Wiki is an easy to use and sophisticated wiki for authoring,
aggregating, organizing, and sharing content. Deki Wiki is also a platform for creating
collaborative applications, or adding wiki capabilities to existing applications. It has a
complete application programming interface (API) for programmers and extending Deki
Wiki can be done in any programming language
A Delphi unit that incorporates the HTTP interface to Sesame. It uses the Indy http           Yes
library that is shipped with Delphi 6
The Description Logic Complexity Navigator is a Web page that allows users to review         Online
the complexity of reasoning tasks of various description logics by adding or removing
features. It includes a comprehensive list of references to the literature
DEVONthink is a single database for organizing and annotating all desktop and Web             No
documents using semantic concepts; it runs only on Mac OS X
DiamondWiki is an experimental wiki based on the idea of faceted navigation. Each wiki        Yes
page is characterized by a list of attributes such as subject or author, with these
attributes used to construct a dynamic directory of all the pages
The Disco - Hyperdata Browser is a simple browser for navigating the Semantic Web as          Yes
an unbound set of data sources. The browser renders all information, that it can find on
the Semantic Web about a specific resource, as an HTML page; it is also available as a
Firefox bookmarklet
Django-RDF is an RDF engine implemented in a generic, reusable Django app,                    Yes
providing complete RDF support to Django projects without requiring any modifications
to existing framework or app source code, or incurring any performance penalty on
existing control flow paths.
 DL-Learner is a tool for learning complex classes from examples and background             Yes
knowledge. It extends Inductive Logic Programming to Description Logics and the
Semantic Web. DL-Learner now has a flexible component based design, which allows to
extend it easily with new learning algorithms, learning problems, reasoners, and
supported background knowledge sources. A new type of supported knowledge sources
are SPARQL endpoints, where DL-Learner can extract knowledge fragments, which
enables learning classes even on large knowledge sources like DBpedia, and includes
an OWL API reasoner interface and Web service interface.

dlvhex is the name of a prototype application for computing the models of so-called HEX-    Yes
programs, which are an extension of Answer-Set Programs towards integration of
external computation sources
DOAPspace spiders various open source package indexes and and creates DOAP                 Online
profiles, with more than 45,000+ now available. Also has an online DOAP validator. The
DOAP input is obtained over Atom feeds for new software releases from SourceForge,
Python Package Index and Freshmeat
DogmaModeler is a free and open source, ontology modeling tool based on ORM. The            Yes
philosophy of DogmaModeler is to enable non-IT experts to model ontologies with a little
or no involvement of an ontology engineer is a Dojo JavaScript module that includes an rdf data store                       Yes
( as well as support for OPML and other Web data forms.
Dome is a visual tool for manipulating tree-structured documents. It can import and         Yes
export in XML or HTML formats, making it ideal for harvesting information from web
pages. Editing is performed using a direct manipulation interface and the operations are
recorded for later playback.
A programmable XML editor which is being used in a knowledge extraction role to             Yes
transform Web pages into RDF, and available as Eclipse plug-ins. DOME stands for
DERI Ontology Management Environment
DOSE is a distributed platform for semantic elaboration that provides semantic services     Yes
such as automatic annotation of web resources at the document substructure level,
semantic search facilities, semantic annotation storage and retrieval

DRAGO reasons across multiple distributed ontologies interrelated by pairwise semantic      Yes
mappings, with a vision of peer-to-peer mapping of many distributed ontologies on the
Web. It is implemented as an extension to an open source Pellet OWL Reasoner.

Drive is an RDF parser written in C# for the .NET platform                                  Yes
DSpace is an open source digital asset managment software platform that enables             Yes
institutions to capture and describe digital content. It runs on a variety of hardware
platforms and supports OAI-PMH version 2.0.
This Firefox extension displays Dublin Core Metadata embedded in HTML/XHTML                 Yes
documents with META and LINK elements
DumpOnt produces a class/property visualization of OWL ontologies; not active since         Yes
early 2004
EasyRdf is a library designed to make it easy to consume and produce RDF. It was            Yes
designed for use in mixed teams of experienced and inexperienced RDF developers. It
is written in Object Oriented PHP.
ED is the Entity Describer, a mashup of the Connotea social tagging system, an index of     Yes
semantic web-accessible controlled vocabularies, and a new public RDF database for
storing social semantic annotations. It can be applied to other controlled vocabularies,
other social tagging sites and is based on Greasemonkey scripts in Firefox.
Eep3 is an older general Semantic Web API written in Python, with a RDF query engine,         Yes
parser, and a diff program
A collaborative knowledge sharing environment where model developers can submit               Yes
ELIE is a tool for adaptive information extraction from text. It also provides a number of    Yes
other text processing tools e.g. POS tagging, chunking, gazetteer, stemming.

Ellogon is a multi-lingual, cross-platform, general-purpose language engineering              Yes
environment, based on the earlier TIPSTER approach
Elmo provides a simple API to access ontology oriented data inside a Sesame RDF               Yes
repository. The domain model is simplified into independent concerns that are composed
together for multi-dimensional, inter-operating, or integrated applications.

Facet-based content organizer and search platform for creating semantically-enabled           No
portals and Web sites
An add-on for the Eprints document archive which uses text extraction to automatically        Yes
create the bibliographic metadata needed for the submission of a new document.

The e-Services framework provides advanced scholarly services (in particular                  Yes
visualisations) using distributed metadata.
Espotter improves on named entity recognition (NER) on the Web by adapting lexicons           Yes
and patterns to domains on the Web and user preferences.
Euler is an inference engine supporting logic based proofs. It is a backward-chaining         Yes
reasoner enhanced with Euler path detection. It has implementations in Java, C#,
Python, JavaScript and Prolog. Via N3 it is interoperable with W3C Cwm
EulerMoz is an inference engine supporting logic based proofs based on EulerSharp             Yes
Euler is an inference engine supporting logic based proofs. It is a backward-chaining         Yes
reasoner enhanced with Euler path detection. It has implementations in Java, C#,
Python, JavaScript and Prolog. Via N3 it is interoperable with W3C Cwm
Exhibit is a lightweight structured data publishing framework that lets you create web        Yes
pages with support for sorting, filtering, and rich visualizations by writing only HTML and
optionally some CSS and JavaScript code. Its internal data representation is in RDF and
its interchange format is JSON; Babel is its translation complement.

Explorator is a tool for exploring RDF data by direct manipulation. Explorator‘s web          Yes
interface allows users to explore a semi-structured RDF database to both gain
knowledge and answer specific questions about a domain, through browsing, search,
and exploration mechanisms
The Exteca platform is an ontology-based technology written in Java for high-quality          Yes
knowledge management and document categorisation. It can be used in conjunction with
search engines
Not yet a full-blown Firefox extension; this microcontent extractor uses Greasemonkey         Yes

ExtrAKT is a tool for extracting ontologies from Prolog knowledge bases.                      Yes
Eyeball is an "RDF lint" for checking RDF/OWL models for common issues such as                Yes
illegal URIs, missing property values, and incorrect prefix mappings
Fabl is a programming language which is formalized as RDF resources, as is the data           Yes
over which computation takes place. This means that programs reside within the world
of RDF content rather than being relegated to a separate realm connected to RDF via an
API. The starting point for the formalization is DAML+OIL
FaCT++ is an OWL descriptive logic (DL) Reasoner implemented in C++                           Yes
Falcon-AO (Finding, aligning and learning ontologies) is an automatic ontology matching        Yes
tool that includes the three elementary matchers of String, V-Doc and GMO. In addition,
it integrates a partitioner PBM to cope with large-scale ontologies.

Falcons is a search engine for the Semantic Web that offers keyword-based and                 Online
concept search. Results are provided with labels, types, provenance and usage
information. An "Entity Browse" interface also enables users to directly browse an entity
with a known URI reference.
Fastr is a parser for term and variant recognition. Fastr take as input a corpus and a list    Yes
of terms and ouputs the indexed corpus in which terms and variants are recognized

Faviki is a social bookmarking tool which allows you to tag webpages you want to              Online
remember with Wikipedia terms. This means that everybody uses the same names for
tags from the world's largest collection of knowledge
Fedora is open source software, a robust integrated repository-centered platform that          Yes
enables the storage, access and management of virtually any kind of digital content, with
an emphasis on digital library assets, metadata and semantics\
The FeedAPI RDF processor module for Drupal saves feed item data in RDF format.                Yes
Requires RDF module and FeedAPI module.
Fenfire is a Free Software project developing a computing environment in which you can         Yes
express the "everything is related to everything else" relationships and benefit from
them. Currently, Fenfire is best applicable to browsing and editing RDF files
C / Ruby port of Lucene that is becoming the defacto open-source text engine for Ruby          Yes

Fhat is RDF virtual machine (RVM) that is meant to be machine independent. RVM                 Yes
software is written in typical human source code, compiled to RDF triple-code, and
processed by a computing machine represented in RDF. Fhat is to be released in Fall
2007 and will be programmed using Neno (see other entry).
Fingerpoint is a protocol, similar to Webfinger, allowing people to associate data (such       Yes
as their name, homepage link, etc) with their e-mail address, and allowing third parties to
discover that information. It has the advantages of: 1) uses FOAF for descriptions; 2)
uses SPARQL for querying; 3) integrates with linked data; and 4) is an easy service to
set up. A draft spec is also available at:

The Flamenco search interface framework exposes category metadata, to guide and                Yes
organize the results of keyword searches. The interface uses hierarchical faceted
metadata integrated with free-text search
Flare promises to expose the power of Solr through a Rails-based user interface.               Yes
Integral to Flare will be a general purpose faceted browsing, auto-suggest, folksonomy
tagging/annotating, smart folders, Atom support, and much more. Flare communicates
with Solr via the solrb Ruby-Solr [WWW] DSL (domain specific language)

The online Flickr2RDF service uses the Flickr API to extract metadata from Flickr's           Online
photo repository, and generates an RDF description. If flickr 'note' presents, it will be
translated into W3Photo Image Region Vocabulary, and be demonstrated via XSLT.

Flickcurl is a C library for the Flickr API, handling creating the requests, signing, token    Yes
management, calling the API, marshalling request parameters and decoding responses.
It uses libcurl to call the REST web service and libxml2 to manipulate the XML
responses. It includes a program flickrdf to turn photo metadata, tags and machine tags
into RDF descriptions of photso and tags.
F-Life is a tool for analysing and maintaining life-cycle patterns in ontology development.    Yes

A prototype system which demonstrates the benefits of applying semantically rich               Yes
service descriptions (expressed using Semantic Web technologies) to Web Services.

FLORA-2 is an advanced object-oriented knowledge base language and application                 Yes
development environment. The language of FLORA-2 is a dialect of F-logic with
numerous extensions, including meta-programming in the style of HiLog and logical
updates in the style of Transaction Logic. FLORA-2 was designed with extensibility and
flexibility in mind, and it provides strong support for modular software design through its
unique feature of dynamic modules.
FLORID (F-LOgic Reasoning In Databases) is a deductive object-oriented database                Yes
system employing F-Logic as data definition and query language. Florid has been
extended for handling semistructured data in the context of information integration from
the semantic Web.
This Firefox extension tells you if a site has a FOAF profile. This functionality is also in   Yes
Semantic Radar so there is no need to install both.
FOAF-a-matic is a simple JavaScript application that allows you to create a FOAF               Yes
("friend-of-a-friend") profiles online
Framework for ontology alignment and mapping. It is based on heuristics (similarity) of        Yes
the individual entities (concepts, relations, and instances)
F-OWL is an ontology inference engine for the Web Ontology Language OWL. The                   Yes
ontology inference mechanism in F-OWL is implemented using Flora-2, an object-
oriented knowledge base language and application development platform that translates
a unified language of F-logic, HiLog, and Transaction Logic into the XSB deductive
Foxtrot is a recommender system which represents user profiles in ontological terms,           Don't
allowing inference, bootstrapping and profile visualization.                                   Know
Freebase is an online data posting and exchange venue, organized similarly to social            No
networking sites only with a data emphasis; the data is available under Creative
Commons but the software is not open source
FreeLing is an open source language analysis tool suite. The FreeLing package                  Yes
consists of a library providing language analysis services (such as morphological
analysis, date recognition, PoS tagging, etc.) The current version (1.2) of the package
provides tokenizing, sentence splitting, morphological analysis, NE detection,
date/number/currency recognition, PoS tagging, and chart-based shallow parsing

Fresnel is a simple, browser-independent vocabulary for specifying how RDF graphs are          Yes
presented. work in SIMILE also includes demonstration code for a Java-based, Fresnel-
aware application. The home for Fresnel work has been relocated to
Fuzzbot is designed to detect RDFa and display it to the person browsing. Fuzzbot is a         Yes
native Firefox plug-in that uses librdfa for it's processing back-end. It is most useful for
detecting embedded semantic information in web pages and performing actions on that
semantic data.
fyzz is a Python parser for the SPARQL query language. It was developed by the                 Yes
CubicWeb project, but is available independent of it
Gadget is an XML inspector useful for large-scale transformations or XML data                  Yes
GATE is a stable, robust, and scalable open-source infrastructure which allows users to        Yes
build and customise language processing components, while it handles mundane tasks
like data storage, format analysis and data visualisation.
GeoMaker creates microformats and maps from geographical information embedded in               Online
texts. You can either provide a URL to load and hit the "load content" button or start
typing your own text and hit the "get locations" button to continue.
If a document features either an ICBM or geo.position META element, this Firefox                Yes
extension opens a new tab with a listing of any GeoURL registered sites at or around the
document's coordinates
Giblet (Graph In-Browser Lightweight Editing Tool) allows the creation of simple RDF            Yes
graphs, based on available RDF schemata. It runs as a JavaScript application in an
enabled browser
Gloze is a XML to RDF, RDF to XML, and XSD to OWL mapping tool based on Jena;                   Yes
see , also
The GNU/Linux Semantic Storage System (GLS³) is an open source semantic storage                 Yes
solution for GNU/Linux that indexes data, extracts metadata and relevant information,
organizes queries and tags, and provides developers APIs for searching, organizing,
shared schemas,Web interface, pseudo file system and others through an extensible
plugin-based Type System. Based on Apache Lucene (appears moribund)

gnizr™ (gə-nīzər) is an open source application for social bookmarking and web                  Yes
mashup. It is easy to use gnizr to create a personalized portal for a group
of friends and colleagues to store, classify, and share information, and mash-it-up with
information about location. It organizes its tags via SKOS and uses Geonames.

The gnogno framework is an approach to bind RDF models from RDF2Go to Swing and                 Yes
Eclipse SWT widgets. It allows to edit text values, make lists, and program User
Interfaces (semantic) using a clear design pattern
The ClearForest Gnosis Firefox extension uses advanced natural language processing              Yes
techniques and ClearForests‘s Semantic Web Service (SWS) to extract meaning from
the content of any web pag
A semantic desktop environment. Gnowsis can be used in research projects or by                  Yes
interested individuals to benefit from Semantic Web technologies
GNOWSYS, Gnowledge Networking and Organizing System, is a web based hybrid                      Yes
knowledge base with a kernel for semantic computing. It is devleoped in Python and
works as an installed product in ZOPE
The GoodRelations Annotator is an online form for describing a business and its                Online
products and services using the GoodRelations ontology
An online service that extracts structured data from online tables; these can be saved         Online
and enhanced for later use
Graphl is a generic graph visualization and manipulation tool written in Java. Graphl           Yes
reads and writes RDF files, visualizes them in a flexible and customizeable way and
allows users to edit them intuitively
Grazr is a free Firefox extension publishing tool for feeds. It lets you quickly and easily     Yes
display RSS, RDF, Atom, and OPML files on any Web page so they can be viewed by
any visitor to the site
Greengrass is a C# framework providing a high-level API for the Resource Description            Yes
Framework (RDF), allowing RDF triples to be parsed, stored, and manipulated.
Greengrass supports serialization and deserialization of CLR types to plain RDF, OWL,
and other RDF vocabularies. Greengrass should work with any CLR-complied language,
like C#, BOO, IronPython, Nemerle, IKVM Java, and VB.NET

Grokker simultaneously searches multiple content sources for relevant information. It          Online
then categorizes and displays those results in a visual interface that allows users to
explore and manage their results.
Graph transformation, model transformation, object-oriented verification, behavioural            Yes
GroupMe! combines Semantic Web and Web 2.0 technologies to enable a new kind of                 Yes/No
social tagging system that can create groups of multimedia web resources via drag &
drop, style groups (like mind maps), tag resources and groups, search for other groups
and resources, and write applications using the GroupMe! API
Open source graphical ontology browser and editor. The GrOWL browser can be used                 Yes
inside a web browser or as a stand-alone application. When used inside a browser, it
supports JavaScript interaction so that it can be used as a concept chooser with
implementation-defined operations
Gruff is a triple-store browser that displays visual graphs of subsets of a store's             Yes/No
resources and their links. By selecting particular resources and predicates, you can build
a visual graph that displays a variety of the relationships in a triple-store. Gruff can also
display tables of all properties of selected resources or generate tables with SPARQL
queries, and resources in the tables can be added to the visual graph.

GVS (Graph Versioning System) allows persistent storage of RDF graphs, keeping track             Yes
of provenance
HALogen is a general-purpose natural language generation system developed by the                 Yes
USC Information Sciences Institute. The download package consists of the symbolic
generator, the forest ranker, and some sample inputs. The symbolic generator includes
the Sensus Ontology dictionary (which is based on WordNet). The forest ranker
includes a 250-million word ngram language model (unigram, bigram, and trigram)
trained on WSJ newspaper text. The symbolic generator is written in LISP and requires a
Lisp interpreter. The forest ranker is written in C and Perl.

added to/removed from the graph and when). Retrievals can specify unions                         Yes
over multiple sources and points in time.                                                        Yes
HbaseRDF uses Hbase + MapReduce to store RDF data and execute queries (e.g.,                     Yes
SPARQL) on them. Hbase is a Bigtable-like storage system for the Apache Lucene
Hadoop project. Google's Bigtable is a distributed storage system for structured data,
and is a very effective mechanism for storing very large amounts of data in a distributed
Online Web form for hCreator code creation (microformats), which can then be cut-and-            Yes
pasted locally
Heart of Gold is a middleware for the integration of deep and shallow natural language           Yes
processing components. It provides a uniform and flexible infrastructure for building
applications that use Robust Minimal Recursion Semantics (RMRS) and/or general XML
standoff annotation produced by NLP components
HELENOS is a Knowledge Discovery Workbench for the Semantic Web which maps the                   Yes
KDD process within a scalable framework to generate horn-logic rules explaining the
given data.
HermiT is a theorem prover for description logics (DLs). HermiT implements a novel               Yes
hypertableau reasoning algorithm. It uses KAON2 as the API for loading and managing
ontologies. The current version is a research prototype.
hMAFRA is a set of tools supporting semantic mapping definition and data reconciliation          Yes
between ontologies. The targeted formats are XSD, RDFS and KAON
Hoolet is an implementation of an OWL-DL reasoner that uses a first order prover. The            Yes
ontology is translated to collection of axioms (in an obvious way based on the OWL
semantics) and this collection of axioms is then given to a first order prover for
consistency checking. This prototype is for Linux only due to the the bundled reasoner
Hozo is an ontology visualization and development tool that brings version control             Yes
constructs to group ontology development
HTML parser for Ruby; Hpricot is a very flexible HTML parser, based on Tanaka Akira's          Yes
HTree and John Resig's JQuery, but with the scanner recoded in C (using Ragel for
Hunter Gatherer is a Firefox extension that makes it easy to capture chunks of web             Yes
pages on the go. Collected info is added to a "collection"; you may create as many
collections as you'd like. HG also automatically captures the location/URL of the
collection page.
hurl makes HTTP requests and allows you to choose the request method, customize               Online
headers and POST parameters, add basic authorization, and even follow redirects.
Results are shown as a nicely formatted request and response. hurl is like an online curl.

Hyena (Hypergraph Editor and Navigator) is an RDF editor that allows one to mix and            Yes
match RDF vocabularies to flexibly model any kind of data. It contains plugins for many
vocabularies including semantic Web, Fresnel, SPARQL, etc. It can be used as an
Eclipse plugin or as a standalone Ajax utility.
New Firefox extension Bookmark Manager with automatic classification and History               Yes
HyperDAML creates an HTML representation of OWL content to enable hyperlinking to              Yes
specific objects, properties, etc.
RoR semantic Web app development framework; very intersting; uses a DSL                        Yes
OPML-based JavaScript browser from Doug Engelbart; can also play online with the               Yes
code base
hypKNOWsys aims at developing a Java-based workbench for knowledge discovery and               Yes
knowledge management. Currently, hypKNOWsys has released three intermediate tools:
DIAsDEM Workbench (text mining for semantic tagging) and WUMprep (Web mining
pre-processing), and the Web Utilization Miner (WUM), an integrated mining
environment for log file preparation, basic reporting, discovery of sequential patterns and
IBM Semantics Toolkit is designed for storage, manipulation, query, and inference of           Yes
ontologies and corresponding instances. A major purpose is to establish an end-to-end
ontology engineering environment tightly integrated with dominant Meta- Object Facility
(MOF)-based modeling and application development tools. The semantics toolkit
contains three main components (Orient, EODM, and RStar), which are designed for
users of different levels.
Identify-Knowledge-Base is a tool of Topic Identification about Knowledge Base                 Yes
IF-Map is an Information Flow based ontology mapping method. It is based on the               Don't
theoretical grounds of logic of distributed systems and provides an automated                 Know
streamlined process for generating mappings between ontologies of the same domain.

IkeWiki is a new kind of Wiki (a so-called Semantic Wiki") developed by Salzburg               Yes
Research (Web site may not be available)
iLOD is a simple linked data browser for the iPhone. There is not much online                  Yes
information about it.
To overcome the knowledge acquisition bottleneck, we apply Inductive Logic                    Don't
Programming techniques to learn Information Extraction rules.                                 Know
Instead of tags, ImageNotion are used for the annotation of images. ImageNotion               Online
extends the possibilities of text based image annotation. Each ImageNotion visually
represents a person an object or an entity, e.g. 'Nicole Kidman', 'Tank', 'Female' by so
called 'imagenotions'. Each imagenotion is described with tags and synonymous
meanings in different languages and it is possible to create relations between two
ImageNotion, e.g. to state that 'Nicole Kidman' is 'Female'. This reduces the annotation
time, because the image annotations benefit from all stored information of the
ImageNotion used for annotation.
 INQLE (Intelligent network of Querying and Learning Engines) is an open source server         Yes
with Jena SDB back-end datastore. It runs automated, random machine learning
experiments on semantic data, and stores any discovered correlations as RDF. It also
provides tools for loading spreadsheet data into the RDF database. It uses RapidMiner

Intelligent Topic Manager (ITM) is a semantic software platform that enables a wide            No
range of applications in enterprise information systems. Besides Topic Maps, it supports
Via this endpoint you can write and test executable English rules using a browser. Then       Online
you can extend this Java client endpoint stub to make your rules available in your
Service Oriented Architecure. You can use your rules to automatically generate and run
complex SQL over networked databases, e.g. containing RDF triples, with explanations
in English, at the business or scientific level.
IBM‘s toolkit for ontology-driven development. The toolkit includes EMF Ontolgy                Yes
Definition Metamodel (EODM), EODM workbench, and an OWL Ontology Repository
(named Minerva)
irON (instance record Object Notation) is a abstract notation for specifying RDF triples       Yes
and schema in non-RDF forms. The notation supports writing RDF and schema in JSON
(irJSON), XML (irXML) and comma-delimited (CSV) formats (commON). The notation
specification includes guidance for creating instance records (including in bulk), linkages
to existing ontologies and schema, and schema definitions

The Internet Reasoning Service - IRS - is KMi‘s Semantic Web Services framework,               Yes
which allows applications to semantically describe and execute Web services. The IRS
supports the provision of semantic reasoning services within the context of the Semantic
IsaViz is a visual authoring tool for browsing and authoring RDF models represented as         Yes
graphs. Developed by Emmanuel Pietriga of W3C and Xerox Research Centre Europe.

iSPARQL extends traditional SPARQL with similarity operators to be able to query for           Yes
similar entities in Semantic Web knowledge bases

The I-X tool suite supports principled collaborations of human and computer agents in          Yes
the creation or modification of some product.
Instant messaging system that is becoming a standard used in many semantic Web                 Yes
Jambalaya is a plug-in created for Protégé which uses SHriMP to visualize the                  Yes
knowledge bases the user has created
Open source Java code generator that emits Java Beans from ontologies                          Yes
JavaScript RDF/Turtle parser, can be used with Jibbering                                       Yes
Jena is a Java framework to construct Semantic Web Applications. It provides a                 Yes
programmatic environment for RDF, RDFS and OWL, SPARQL and includes a rule-
based inference engine. It also has the ability to be used as an RDF database via its
Joseki layer. See the jena discussion list for more information
The Jena GRDDL Reader is an implementation of GRDDL for the Jena Semantic Web                 Yes
Framework, using the Saxon XSLT Processor. Jena is open source and grown out of
work with the HP Labs Semantic Web Programme
Jena Sesame Model (JSM) bridges the gap from Jena to Sesame. JSM conforms to the              Yes
Jena Model API. Internally, it operates on a Sesame local repository
JeromeDL is an open source digital library that uses Semantic Web technology to               Yes
provide better access to its resources. The systems provides a distributed catalogue,
maintained by the users, and resource annotation features that aim to overcome
problems related to security and privacy that are common in traditional implementations
of collaborative filtering systems
Jess is a rule engine and scripting environment written in Java. Using Jess, you can          Yes
build Java software that has the capacity to "reason" using knowledge you supply in the
form of declarative rules
JessTab is a plug-in for Protégé that allows you to use Jess and Protégé together.            Yes
JessTab provides a Jess console window where you can interact with Jess while running
Protégé. Furthermore, JessTab extends Jess with additional functions that allows you to
map Protégé knowledge bases to Jess facts. Also, there are functions for manipulating
Protégé knowledge bases from Jess.
jFex is a Feature Extraction tool for Natural Language Processing applications based on       Yes
machine learning techniques developed at ITC-irst. jFex is written in Java
JFresnel is a Java library that implements the Fresnel specification for various RDF          Yes
APIs, such as Jena and Sesame. Fresnel is a presentation vocabulary for Semantic
Web data designed to be application and representation paradigm independent.

Jibbering, a simple JavaScript RDF Parser and query thingy                                    Yes
jInFil is an open source Java tool for Instance Filtering developed at ITC-irst. Instance     Yes
Filtering is a preprocessing step for supervised classification-based learning systems for
entity recognition.
Joost is an video download service with more than 20,000 shows, supported by an RDF          Online
Jena‘s Joseki layer offers an RDF Triple Store facility with SPARQL interface (see also       Yes
the entry on Jena)
jOWL is a jQuery plugin for navigating and visualising OWL-RDFS documents. jOWL is            Yes
tested on: Internet Explorer 7, Firefox (2 &) 3, Safari (Webkit-Browsers). It is a
JavaScript library to load and visualize OWL-DL (1.0) files; the most recent version
incorporates smarter reasoning, faster loading and visualizes ontologies with treeviews,
html templating, touchgraphs, SPARQL-DL and more
JQbus provides a Jabber (XMPP) transport for SPARQL queries and responses. JQbus              Yes
uses off-the-shelf Jabber chat services as a generic information bus, passing SPARQL
queries and results via user accounts, encoded as XMPP IQ messages.

JRDF Java RDF Binding is an attempt to create a standard set of APIs and base                 Yes
implementations to RDF using Java. Includes a SPARQL GUI.
jREST puts your Java objects on the (semantic) web by automatically converting the            Yes
HTTP parameters into the Java parameters, therby avoiding the need for servlet source
JXML2OWL API is a library for mapping XML schemas to OWL Ontologies on the Java               Yes
platform. It creates an XSLT which transforms instances of the XML schema into
instances of the OWL ontology. JXML2OWL Mapper is GUI application using the
KAON is an open-source ontology management infrastructure targeted for business                  Yes
applications. It includes a comprehensive tool suite allowing easy ontology creation and
management and provides a framework for building ontology-based applications. An
important focus of KAON is scalable and efficient reasoning with ontologies

KAON2 is an an infrastructure for managing OWL-DL, SWRL, and F-Logic ontologies. it              Yes
is capable of manipulating OWL-DL ontologies; queries can be formulated using
Kaukolu is a Java-JSP-based Semantic Wiki that manages its data by using Semantic                Yes
Web tools.
Generates a Java API for working with OWL instance data directly from a set of OWL               Yes
KEA is an algorithm for extracting keyphrases from text documents. It can be either used         Yes
for free indexing or for indexing with a controlled vocabulary in SKOS format

KendraBase is a semantic wiki / database with auto form generation for data input and            Don't
queries and a simple content management system. Queries are distributed and agent-               Know
like; still in development.
KIM is a software platform for the semantic annotation of text, automatic ontology                No
population, indexing and retrieval, and information extraction from Ontotext
Knoodl is sort of an ontology editor, registry/repository, and wiki all rolled into an easy to   Yes
use online application. It uses a wiki framework for the collaborative development of
community ontology vocabularies, which can then be documented or exported by use in
other ontology tools (OWL standard output format).
Knowee is a web address book that lets you integrate distributed social graph fragments.         Yes

The knowledge broker addresses the problem of knowledge service location in                      Don't
distributed environments.                                                                        Know
KnowWE is a Java-based semantic knowledge wiki based on the implementation of                     Yes
JSPWiki. It's parsing engines and problem-solvers also build on the d3web project.
KnowWE stands for Knowledge Wiki Environment and emphasizes the distributed
development of problem-solving knowledge within a semantic wiki.
Kowari is an Open Source, massively scalable, transaction-safe, purpose-built database           Yes
for the storage, retrieval and analysis of metadata based on RDF and OWL

Supports collaboration among members of a virtual organisation by integrating workflow           Don't
and communication technology with constraint solving.                                            Know
Kraken is an application for managing knowledge objects, which can be documents,                  Yes
remote or locally cached Web pages, personal information, todo list items,
appointments, and so on. It is especially useful for researchers or students to manage
their information. Users can annotate these knowledge objects with metadata, perform
complex queries, and present the results as HTML pages. Kraken uses RDF as its
native format, allowing its data to be easily read by external applications

Krextor (the KWARC RDF Extractor) is an extensible XSLT-based framework for                      Yes
extracting RDF from XML, supporting multiple input languages as well as multiple output
RDF notations. Krextor provides convenience templates that try to do ―the right thing‖™
in many common cases, as to reduce the need for manually writing repetitive code.

Lightweight Structure is a Firefox extension with the ability to recognize text structure        Yes
automatically, using an extensible library of patterns and parsers
LARQ is free-text indexing for SPARQL. LARQ is a combination of ARQ and Lucene. It             Yes
gives ARQ the ability to perform free text searches. Lucene indexes are additional
information for accessing the RDF graph, not storage for the graph itself
Leeet is a Semantic Web application that allows rapid and intuitive creation, editing and      Yes
querying of Semantic Web content and annotations. It is optimized for the Web, and
based on Flash on the client side and PHP/MySQL on the server side. It makes use of
the RDF query language Sparql and RDFa.
The Lemur Toolkit is a open-source toolkit designed to facilitate research in language         Yes
modeling and information retrieval. Lemur supports a wide range of industrial and
research language applications such as ad-hoc retrieval, site-search, and text mining.

LENA (LEns based NAvigator) is a Fresnel lens-based RDF Navigator with SPARQL                  Yes
selector support. A "lens" represents a particular view onto RDF data and is described
by the Fresnel Display Vocabulary. LENA enables viewing RDF data in a web browser,
rendered according to the specif lens descriptions provided. LENA supports the use of
multiple lenses and is now integrated into the Simile Fresnel engine. See also
Lexaurus Editor is for off-line creation and editing of vocabularies, taxonomies and            No
thesauri. It supports import and export in Zthes and SKOS XML formats, and allows
hierarchical / poly-hierarchical structures to be loaded for editing, or even multiple
vocabularies to be loaded simultaneously, so that terms from one taxonomy can be re-
used in another, using drag and drop.
LexiLink is tool for building, curating and managing multiple lexicons and ontologies in        No
one enterprise-wide Web-based application. The core of the technology is based on
RDF and OWL.
librdfa is a pure C implementation of a standards-compliant RDFa parser. The library is        Yes
quite easy to use (there are only 5 functions). librdfa is stream-based (very little memory
usage), very small (the library is around 19KB) and fast.
LILY is a system matching heterogeneous ontologies. LILY extracts a semantic                  Yes (?)
subgraph for each entity, then it uses both linguistic and structural information in
semantic subgraphs to generate initial alignments. The system is presently in a demo
version only.
LingPipe is a suite of Java tools designed to perform linguistic analysis on natural           Yes
language data. LingPipe's flexibility and included source make it appropriate for research
use. Version 1.0 tools include a statistical named-entity detector, a heuristic sentence
boundary detector, and a heuristic within-document coreference resolution engine

LinguaStream is an integrated experimentation environment (IEE) targeted to                    Yes
researchers in Natural Language Processing. LinguaStream allows processing streams
to be assembled visually, picking individual components in a "palette" (the standard set
contains about fifty components, and is easily extensible using a Java API, a macro-
component system, and templates). Some components are specifically targeted to NLP,
while others solve various issues related to document engineering (especially to XML
processing). Other components are to be used in order to perform computations on the
annotations produced by the analysers, to visualise annotated documents, to generate
charts, etc.
Language & Computing's LinKFactory is an ontology management tool, it provides an               No
effective and user-friendly way to create, maintain and extend extensive multilingual
terminology systems and ontologies (English, Spanish, French, etc.). It is designed to
build, manage and maintain large, complex, language independent ontologies.
LingToRDF provides a full-featured LINQ query provider for .NET using both local triple            Yes
stores with Graph Matching and SPARQL queries on remote stores. The project also
includes the LingToRDF Designer, which is a graphical designer to auto-generate C#
entity models as well as N3 ontology specifications from UML-like designs, used as an
extension to Visual Studio 2008 beta 2
Live Clipboard is a DHTML Web control that provides copy/paste functionality for data              Yes
associated with a web page using the Live Clipboard XML data format. It has a UI
display icon, and JavaScript objects, serialization and callbacks.
LODE - Linked open data for events is a nifty online timeline browser with much                    Yes
impressive functionality. It is powered by ClioPatria. See further
LODr is an RDF-based application that generates RDF data from your Web 2.0 content                 Yes
and allows you to "re-tag" it using the MOAT ontology
Longwell is a web-based RDF-powered highly-configurable faceted browser. It mixes                  Yes
the flexibility of the RDF data model with the effectiveness of the faceted browsing UI
paradigm and for visualization and browsing. You can build a user-friendly web site
within minutes and without requiring any code at all.
Loom is a language and environment for constructing intelligent applications. The heart            Yes
of Loom is a knowledge representation system that is used to provide deductive support
for the declarative portion of the Loom language. Declarative knowledge in Loom
consists of definitions, rules, facts, and default rules.
Loomp allows users to create semantically enhanced content and compile content with                Yes
drag and drop, to publish html, blog, wiki, and feeds in various formats such as pdf, doc,
odt, and to provide a reader that highlights relevant information and allows navigation

LOOT is a Lightweight Object-Oriented Triplestore implemented in Python. LOOT takes                Yes
several ideas from RDF and OWL, but seeks its own solutions. For example, LOOT has
its own way of handling ordered lists. It also treats literal values as first-class things, so
that the language and datatype of a literal can be handled just like any other triple.

The Lisp semantic Web toolkit enables OWL ontologies to be visualized. It was written              Yes
by Alan Ruttenberg
Apache Lucene is a high-performance, full-featured text search engine library written              Yes
entirely in Java. It is a technology suitable for nearly any application that requires full-text
search, especially cross-platform. It is open source
LUISA (Learning Content Management System Using Innovative Semantic Web                            Yes
Services Architecture) addresses the development of a reference semantic architecture
for the major challenges in the search, interchange and delivery of learning objects in a
service-oriented context; includes annotation and WMSO tools

A commercial search engine using semantic Web technologies; it can use structured                  No
information, semantic markings and relations knowledge of information resources for the
search and presentation of their contents
Metatomix's M3t4.Studio Semantic Toolkit is a free set of Eclipse plugins to allow                 Yes
developers to create and manage OWL ontologies and RDF documents
Machinese Syntax provides a full analysis of texts by showing how words and concepts               No
relate to each other in sentences - still with very competitive speed and accuracy.
Machinese Syntax helps analytic applications understand text beyond the level of words,
phrases and entities: also their interrelations (such as events, actions, states and
circumstances); from Connexor
Ontology MApping FRAmework Toolkit allows to create semantic relations between two           Yes
(source and target) ontologies, and apply such relations in translating source ontology
instances into target ontology instances
Magpie supports the interpretation of web documents through on-the-fly ontologically         Yes
based enrichment. Semantic services can be invoked either by the user or be
automatically triggered by patterns of browsing activity
Makna is a semantic wiki where each wiki instance can be configured to use one or            Yes
more ontologies that suits its topic. The engine supports RDFS and OWL ontologies and
the reasoner can be chosen as well; it is still in active development
MALLET is an integrated collection of Java code useful for statistical natural language      Yes
processing, document classification, clustering, information extraction, and other
machine learning applications to text.
Many Eyes is a comprehensive online service to visualize relationships in data sets; they   Online
can be uploaded and also inspected by others. Many datasets and visualization options
are available
Marbles is a server-side application that formats Semantic Web content for XHTML             Yes
clients using Fresnel lenses and formats. Data is retrieved from multiple sources and
integrated into a single graph that is persisted across user sessions. Marbles follows
specific predicates found in retrieved data such as owl:sameAs and rdfs:seeAlso in order
to gain more information about a resource and to obtain human-friendly resource labels.

Marmite is a Firefox add-on to let end-users create mashups by making it easy to extract    Don't
content from web pages, process it in a data-flow manner, integrate it with other data      Know
sources, and direct it to a variety of useful sinks, such as databases, map services, and
compilable source code that can be further customized; tool not yet released.

MatchIT automates and facilitates schema matching and semantic mapping between               No
different Web vocabularies. MatchIT runs as a stand-alone or plug-in Eclipse application
and can be integrated with popular third party applications. MatchIT‘s uses Adaptive
Lexicon™ as an ontology-driven dictionary and thesaurus of English language
terminology to quantify and ank the semantic similarity of concepts.

The MatrixBrowser project presents a new approach for visualizing and exploring large        Yes
networked information structures which may represent, for instance, linked information
resources or metadata structures such as ontologies
Melita is a semi-automatic annotation tool using an Adaptive Information Extraction          Yes
engine (Amilcare) to support the user in document annotation.
MetaDesk is an RDF authoring tool that emphasizes entry of facts, rather than                Yes
construction of ontologies. MetaDesk places no restrictions on vocabulary-users can
invent terms on-the-fly, which the system converts into underlying RDF structures.

Metalog was an early reasoning system (labelled as 'nest generation' at the time) for the    Yes
Semantic Web written in Python
Semantic vocabulary mediation and other tools                                                No
METAmorphoses is a set of tools for flexible and easy-to-use generation of RDF               Yes
metadata directly from a relational database. Metadata are genereated according to the
mapping from an existing database schema to a particular ontology.
Commercial and free Eclipse-based semantic toolkits and RDF and OWL editors                 Yes/No
MindRaider is Semantic Web outliner. It aims to connect the tradition of outline editors     Yes
with emerging technologies. MindRaider mission is to organize not only the content of
your hard drive but also your cognitive base and social relationships in a way that
enables quick navigation, concise representation and inferencing
MinorThird is a collection of Java classes for storing text, annotating text, and learning to    Yes
extract entities and categorize text.
Miro is a browser-based "data detector" that matches the content of a page to high-level          No
user goals. It is often teamed with Cleo, a browser automator.
MnM is an annotation tool which provides both automated and semi-automated support               Yes
for annotating web pages with semantic contents. MnM integrates a web browser with an
ontology editor and provides open APIs to link to ontology servers and for integrating
information extraction tool
MOAW (pronounce like mauve: |mõv|) can be seen as a URI suggestion tool, building on             Yes
the ``auto-completion'' feature made popular by Web 2.0 websites and Google keyword
suggestion. Basically, MOAW can be attached to any text field (HTML input element) so
that, while typing, suggestions of URIs would appear that can be selected to replace the
corresponding word. The URIs suggested by MOAW are discovered thanks to Watson.

Simple OWL tools, featuring UML (XMI), ErWin, thesaurus and imports. The editor is               Yes
tree-based and has a ―navigator‖ tool for traversing property and class-instance
relationships. It can import XMI (the interchange format for UML) and Thesaurus
Descriptor (BT-NT XML), and EXPRESS XML files. It can export to MS Word.
mopy is the Music Ontology Python library, designed to provide easy to use python                Yes
bindings for ontology terms for the creation and manipulation of music ontology data.
mopy can handle information from several ontologies, including the Music Ontology, full
FOAF vocab, and the timeline and chord ontologies.
Morla is an editor of RDF documents that allows you to manage more RDF documents                 Yes
simultaneously, visualize graphs, and use templates for quick writing. You can import
RDFS documents and use their content to write new RDF triples. Templates are also
RDF documents, and they make Morla easily personalizable and expandable. You can
also use Morla as an RDF navigator, browsing the RDF documents present on the
Internet exactly as you are used to doing with normal browsers

mSpace is a faceted browser and interface service that includes an interaction model             Yes
and software framework to help people access and explore information.
The Mulgara Semantic Store is an Open Source, massively scalable, transaction-safe,              Yes
purpose-built database for the storage and retrieval of RDF, written in Java. It is an
active fork of Kowari
Large listing of multimedia semantic tools from the W3C (see Section 2) for audio,              Listing
images and video, including annotators, format converters,
Given a set of knowledge bases and problems solvers, the Muskrat system will try to             Don't
identify which knowledge bases could be combined with which problems solvers to solve           Know
a given problem.
myOntology is to produce the theoretical foundations, and deployable technology for the         Online
Wiki-based, collaborative and community-driven development and maintenance of
ontologies instance data and mappings
MyPlanet allows users to create a personalised version of a web based newsletter using          Don't
an ontologically based profile.                                                                 Know
Neno is an RDF progamming language designed specifically for the Fhat RDF virtual                Yes
machine (RVM) (see other entry). It is an RDF model of object-oriented programming.
RDF triple-code is analogous to virtual machine byte-code, but instead of being
represented as bits, bytes, and words, it is represented as URIs and triples. Neno is to
be released in Fall 2007.
Neologism is a simple, lightweight, Web-based RDF Schema vocabulary editor and                  Yes
publishing system built on the Drupal CMS. Its goal is to reduce the time required to
create, publish and modify vocabularies for the semantic Web. The system is not yet
open for use, but there is a demo and screencast.
The NeOn Toolkit is an extensible Ontology Engineering Environment based on Eclipse.            Yes
It is part of the reference implementation of the NeOn architecture. It contains plugins for
ontology management and visualization with core features in basic editing,
visualization/browsing, and import/export of F-Logic, (subsets of) RDF(S) and OWL. A
number of commercial plugins extend the toolkit
Entity extraction engine from SRA International                                                 No
The Named Graphs API for Jena (NG4J) is an extension to the Jena Semantic Web                   Yes
framework for parsing, manipulating and serializing sets of Named Graphs
NLTK — the Natural Language Toolkit — is a suite of open source Python modules, data            Yes
and documentation for research and development in natural language processing. NLTK
contains Code supporting dozens of NLP tasks, along with 30 popular Corpora and
extensive Documentation including a 360-page online Book. Distributions for Windows,
Mac OSX and Linux are available
NMARKUP helps the user build ontologies by detecting nouns in texts and by providing            Yes
support for the creation of an ontology based on the entities extracted.
An RDF based knowledge portal for publishing both authoritative and third party                 Yes
descriptions of URI denoted resources
A Java BDI agent engine for semantic web agents                                                 Yes
The OAI (Open Archive Initiative) Repository Explorer is useful for interactive exploration     Yes
and validation of OAI respositories.
The OBDA (Ontology Based Data Access) plugin for Protege is aimed to be a full-                 Yes
fledged OBDA ontology and component editor. It provides data source and mapping
editors, as well as querying facilities that, in sum, allow you to design and test every
aspect of an OBDA system. It supports relational data sources (RDBMS) and GLAV-like
mappings. In its current beta form, it requires Protege 3.3.1, a reasoner implementing
the OBDA extensions to DIG 1.1 (e.g., the DIG server for QuOnto) and Jena 2.5.5

Object Viewer is a visual RDF graph browser. Features include support for reified               Yes
statements and the ability to load and unload data sources at any time
oBrowse is a web based ontology browser that parses OWL files of an ontology and                Yes
displays ontology in a tree view. Protege-API, JSF are used in development.
Ocelot is a Firefox extension, browser based ontology viewer. There is also meant to be         Yes
a servlet version of the viewer. Ocelot displays a content summary of the document, as
well as an object-based viewer for graph navigation. See for an online viewer
The ―Online Cultural Heritage Research Environment‖ (OCHRE) is an Internet database             Yes
system for research on cultural heritage in all its forms. It is intended for researchers and
students who are engaged in archaeological, anthropological, linguistic, and textual
investigations of many different kinds.
ODO is a family of Perl libraries for parsing, manipulating, querying, and serializing RDF      Yes
OINK is a browser for RDF data. OINK queries data in an RDF triple store, and renders it        Yes
as XHTML pages (essentially, one page per each node in the graph, on demand). This
allows one to view RDF (and OWL) data in a very clear, intuitive way. OINK is built on
top of Wilbur
OLA (OWL-Lite Alignment) matches ontologies written in OWL. It relies on a similarity          Yes
combining all the knowledge used in entity descriptions. It also deal with one-to-many
relationships and circularity in entity descriptions through a fixpoint algorithm.

The OMCSNet-WordNet project aims to improve the quality of the OMCSNet dataset by              Yes
using automated processes to map WordNet synonym sets to OMCSNet concepts and
import additional semantic linkage data from WordNet. It is based on OMCSNet 1.2, a
semantic network and inference toolkit written in Python/Java. OMCSNet currently
contains over 280,000 separate pieces of common sense information extracted from the
raw OMCS dataset. This project is also based on WordNet, an online lexical reference
system that in recent years has become a popular tool for AI researchers

The Omnigator is a form-based manipulaton tool centered on Topic Maps, though it               No
enables the loading and navigation of any conforming topic map in XTM, HyTM, LTM or
RDF formats. There is a free evaluation version.
OntoBroker is middleware for the construction of semantic applications. Its inference          No
engine processes ontologies and the logic represented inside them. OntoBroker is the
core component in most of Ontroprise's offerings. OntoBroker provides a Web Service
interface and can also be deployed in application servers.
A tool which uncovers Communities Of Practise by analysing the connectivity of                 Yes
instances in the 3store knowledge base.
Ontodella - A prolog HTTP server for category projection and semantic linking                  Yes
Ontoprise offers innovative software solutions based on ontologies (knowledge models)          No
which homogenise your company's specific expertise. ontoprise's products facilitate the
search so that the user can quickly and easily find relevant information

OntoEngine is a step toward allowing agents to communicate even though they use                Yes
different formal languages (i.e., different ontologies). It translates data from a "source"
ontology to a "target."
OntoFrame is an information service platform that uses Semantic Web technologies. It          Online
includes OntoURI — a semantic knowledge management tool that creates ontology
schemata and instances and identifies co-references between ontology individuals;
OntoReasoner — an inference engine that stores and infers ontology-based RDF triples
and answers SPARQL queries; and Mariner, that provides search functionality.

Ontogator is a generic view-based RDF search engine. It defines and implements an              Yes
RDF-based query interface that is used to separate view-based search logic from the
user interface. The interface is defined as an OWL ontology
OntoGen is a semi-automatic and data-driven ontology editor focusing on editing of topic       Yes
ontologies (a set of topics connected with different types of relations). The system
combines text-mining techniques with an efficient user interface. It requires .Net.

OntoGloss is an ontology based annotation tool that uses pre–defined concepts in              Don't
ontology to mark–up a document                                                                Know
Ontolingua provides a distributed collaborative environment to browse, create, edit,          Don't
modify, and use ontologies. The server supports over 150 active users, some of whom           Know
have provided us with descriptions of their projects. Provided as an online service;
software availability not known
Ontology Browser is a browser created as part of the CO-ODE (          Online
Ontology Metrics is a web-based tool that displays statistics about a given ontology,         Online
including the expressivity of the language it is written in.
OntoMat-Annotizer is a user-friendly interactive webpage annotation tool. It supports the     Yes
user with the task of creating and maintaining ontology-based OWL-markups

OntoMedia manages large multimedia collections using semantic integration techniques          Yes
for metadata using ontologies. The user can organize multimedia collections with a
graphical user interface which includes easy metadata indexing and search capabilities.
It includes universal playback for many multimedia formats, including MP3, DivX, and
Enables the authoring and navigation of large semantically-powered portals; effort from       Yes
2001 that now appears moribund
Ontos API is a public web service which returns rich semantic metadata for input text        Online
content you submit. Ontos recognizes entities and relations between them using natural
language processing techniques. Although basic types of entities (people, companies,
places etc.) are pre-defined, the user can also create OWL-driven dictionaries for
custom types of entities, merge entities across documents, etc. Presently in beta

Ontosaurus is a Web browser for Loom® knowledge bases. It provides a graphical               Don't
hyperlinked interface to several of the knowledge bases. Loom is a knowledge                 Know
representation language
OntoSearch is an ontological search engine designed to help users find RDF based              Yes
ontological information on the Semantic Web. It uses the Google API to search the
available ontologies in the RDF(S), OWL and DAML (+OIL) representational formalisms

OntosMiner uses ontologies to define the areas of interest and linguistic rules of NLP to     No
analyze natural language text. Objects and their relations are automatically realized and
annotations to the related text fragments are added. The outcome is a set of searchable
and conceptually structured data, which can be categorized, browsed and visually
presented in semantic networks.
OntoSpec is a SWI-Prolog module, aiming at automatically generating XHTML                     Yes
specification from RDF-Schema or OWL ontologies.
OntoStudio is a professional developing environment for ontology-based solutions. It          No
combines modelling tools for ontologies and rules with components for the integration of
heterogeneous data sources. As ontology-languages OntoStudio supports W3C-
standards OWL and RDF(S) and F-Logic for the logic-based processing of rules.
OntoStudio comes along with many connectors to databases, documents, file-systems,
applications and web-services. 3-mo, royalty-free test available

OntoTrack is a browsing and editing ontology authoring tool for OWL Lite. It combines a      Yes/No
sophisticated graphical layout with mouse enabled editing features optimized for efficient
navigation and manipulation of large ontologies
OntoViews is the semantic portal tool used to create the MuseumFinland portal. It is built    Yes
on the foundation of SemCocoon, Ontogator and Ontodella
OntoWeaver is an ontology-based approach, which provides high level support for web           Yes
site design and development.
OntoWiki is a semantic collaboration platform implementing Web 2.0 approaches for the         Yes
collaborative development of knowledge bases
Oort (Out of RDF Transmogrifier) is a Python-based toolkit for accessing RDF graphs as        Yes
plain objects. The purpose of Oort is to make it easy to create web views of RDF
Graphs by using some declarative python programming. OortPub uses RDFLib, Paste
and Genshi as its core components. See also
The Open Anzo project is an open source enterprise-featured RDF store and                     Yes
middleware platform that provides support for multiple users, distributed clients, offline
work, real-time notification, named-graph modularization, versioning, access controls,
and transactions with preconditions. The project includes Glitter, a SPARQL engine
independent of any particular back-end.
OpenAmplify is a Web service that uses patented computational linguistics technology to      Online
analyze text and surface its meaning. Its supports SOAP, REST and other standards
with output in XML or JSON. Up to 1000 transactions per day are free.

The OpenCyc KB Browser is the main interface tool for accessing the Cyc Knowledge             Yes
Base (Cyc KB). It provides a means for browsing the KB in a number of different ways, a
means for querying the KB, and (for registered users) a means for modifying or adding to
the KB itself.
IRIS is a semantic desktop application framework that enables users to create a               Yes
―personal map‖ across their office-related information objects. IRIS includes a machine-
learning platform to help automate this process
The OpenLink Data Explorer, or ODE, (formerly known as the OpenLink RDF Browser)              Yes
is an RDF data browser provided as a Firefox plug-in. It is implemented using the
OpenLink AJAX and AJAR Toolkit (OAT). ODE provides a Web browser driven interface
for interacting with RDF-based linked data via a combination of (X)HTML, AJAR, and
hyperdata links.
ODS is a distributed collaborative application platform for creating Semantic Web             Yes
applications such as: blogs, wikis, feed aggregators, etc., with built-in SPARQL support
and incorporation of shared ontologies such as SIOC, FOAF, and Atom OWL. ODS is an
application of OpenLink Virtuoso and is available in Open Source and Commercial
OpenNLP also hosts a variety of java-based NLP tools which perform sentence                   Yes
detection, tokenization, pos-tagging, chunking and parsing, named-entity detection, and
coreference using the OpenNLP Maxent machine learning package
OpenQabal is an open-source social-networking and collaboration platform / suite driven       Yes
by the principles of federation, composition, and openness; with a special emphasis on
enabling "distributed conversations" and the "federated social graph." It leverages
emerging Semantic Web technologies to build a richer model for linking blogs, to allow
conversations to span multiple domains and providers; it has impressive support for
virtually all Web protocols and standards
OpenRecord is similar to a wiki, but with some database features added in. Wiki systems       Yes
usually let you organize your content as pages of text, or pages of rich text. In
OpenRecord your content is organized as a database of items, or records. Each page on
an OpenRecord site can query the database to get some set of items, and those items
can be displayed in an editable table, or in an outline format, or in other formats.

OpenRuleBench is an open community resource and suite of benchmarks for analyzing             Yes
the performance and scalability of different rule engines. Currently the suite covers
twelve systems
Operator is a microformat detection extension for Firefox 2 provided by Mozilla Labs          Yes

OPML parser in Ruby (tools are available for download, but site is in Japanese with little    Yes
Open a Feed Reader for any OPML Autodiscovery enabled page with this Firefox                  Yes
extension. You can choose between Optimal OPML browser and Grazr
OPML Support is a Firefox extension that adds OPML import/export functionality to the         Yes
Firefox Bookmarks manager
Opossum is a search engine for Web services (semantic + WSDL) that lets you find            Online
single and composed services using simple keyword search. Its novelty is in its simple
interface, its indexing techniques and its semantic approximation methods

Oracle Spatial 11g includes an open, scalable, secure and reliable RDF management            No
platform. The system also now implements subsets of OWL Full
The ORDI SG (Ontology Representation and Data Integration - Second Generation)               Yes
framework is an open-source ontology middleware. It major objectives are: 1) ontology
language neutrality; 2) integration of databases and other structured data-sources; 3)
support for heterogeneous reasoners and data-sources; and 4) interoperability with
different data representation languages (e.g. OWL, WSML).
A Java interface and implementation for the W3C Web Ontology Language (OWL), used            Yes
to represent Semantic Web ontologies. The API is focused towards OWL Lite and OWL
DL and offers an interface to inference engines and validation functionality

OWL Consistency checker (based on Pellet); irt also now supports SPARQL queries              Yes

The OWL Module Extractor is a Web service that extracts a module for a given set of         Online
terms from an ontology. It is based on an implementation of locality-based modules that
is part of the OWL API.
OWL Syntax Converter is an online tool for converting ontologies between different          Online
formats, including several OWL syntaxes, RDF/XML, KRSS.
OWL Validator - A tool to check OWL markup for problems beyond simple syntax errors.         Yes
It examines OWL content for a variety of potential errors and reports them along with the
location of the errors in the files
OWL verbalizer is an on-line tool that verbalizes OWL ontologies in (controlled) English     Yes

WonderWeb OWL-DL Validator; the servlet attempts to validate the ontology against the        Yes
selected language species. Any constructs found which relate to particular species of
OWL will be reported
OWLIM is a high-performance semantic repository, packaged as a Storage and                   Yes
Inference Layer (SAIL) for the Sesame RDF database
OWLJessKB is a description logic reasoner for OWL. The semantics of the language is          Yes
implemented using Jess, the Java Expert System Shell. Currently most of the common
features of OWL lite, plus some and minus some
This is PHP library for accessing OWL files. OWL is standard for storing              Yes
semantic information
OWL-S IDE is an Intergrated Development Environment for OWL-S                                Yes
OWL-S2UDDI Converter converts OWL-S profile descriptions to corresponding UDDI               Yes
advertisements, which can then be published in any UDDI registry.
Editor for the development of services in OWL-S, with graphical, WSDL and                    Yes
import/export support
OwlSight is an OWL ontology browser that runs in any modern web browser; it's                Yes
developed with Google Web Toolkit. OwlSight is the client component and uses Pellet as
its OWL reasoner.
The hybrid semantic Web service matchmaker OWLS-MX 1.0 utilizes both description             Yes
logic reasoning, and token based IR similarity measures. It applies different filters to
retrieve OWL-S services that are most relevant to a given query
OWLViz is an attractive visual editor for OWL and is available as a Protégé plug-in          Yes
Peer-to-peer system for storing and sharing ontology metadata; part of the OntoWare          Yes
paggr is a microcontent remixer that will allow you to aggregate, monitor, enrich,              Don't
integrate, and re-purpose structured web data. paggr combines innovative Semantic               Know
Web technology with pragmatic efforts such as microformats, RSS, and Live Clipboard.

Pedro is an application that creates data entry forms based on a data model written in a         Yes
particular style of XML Schema. Users can enter data through the forms to create data
files that conform to the schema. They can use controlled vocabularies to mark-up text
fields and have the application perform basic validation on field data

Pellet is an open-source Java based OWL DL reasoner. It can be used in conjunction               Yes
with both Jena and OWL API libraries; it can also be downloaded and be included in
other applications
Pellint is an open source lint tool for Pellet which flags and (optionally) repairs modeling     Yes
constructs that are known to cause performance problems. Pellint recognizes several
patterns at both the axiom and ontology level.
Phesame is a PHP5 library for querying Sesame using a small query parser that writes             Yes
queries in a "php array format"
PhotoStuff is a toolkit that provides users the ability to annotate regions of images with
respect to an ontology and publish the automatically generated metadata to the Web.
A variety of PHP - XML classes including ones for RDF, RDQL and RDDF; apparently                 Yes
has low activity
Piggy Bank is a Firefox extension that turns your browser into a mashup platform, by             Yes
allowing you to extract data from different web sites and mix them together. Piggy Bank
also allows you store this extracted information locally for you to search later and to
exchange at need the collected information with others
Pigsty - a Firefox extension for displaying and image galleries linked from FOAF files           Yes

A dynamic programming (scripting) language similar to Java and C for the semantic                Yes
Pimiento means Platform Independent Text Mining Engine Tool, and it is a framework               Yes
for text mining. The package includes modules for text categorization, summarization,
document clustering, similarity analysis and language identification
Online notification services that provides update notifications for DOAP, FOAF and SIOC          Yes
Using the Yahoo! Pipes editor, you can fetch any data source via its RSS, Atom or other          Yes
XML feed, extract the data you want, combine it with data from another source, apply
various built-in filters (sort, unique, count, truncate, union, join, as well as user-defined
filters), and apply simple programming tools like for loops. In short, it‘s a good start on
the Unix shell for mashups
Yahoo! Placemaker is a freely available geoparsing Web service. It helps developers             Online
make their applications location-aware by identifying places in unstructured and atomic
content – feeds, web pages, news, status updates – and returning geographic metadata
for geographic indexing and markup.
Platypus Wiki is an enhanced Wiki Wiki Web with ideas taken from Semantic Web. It                Yes
offers a simple user interface to create a Wiki Page plus metadata according with W3C
standards. It uses RDF/RDFS and OWL to create ontologies and manage metadata

PoolParty is a triple store-based thesaurus management environment which uses SKOS               Yes
and text extraction for tag recommendations (Web site in German)
Protege+OWL+Ruby (POR) Utilities provides an ontology, a set of ruby classes and                 Yes
methods to simplify the development of Protege+OWL Ontology Driven applications. At
the moment project is limited to JRuby
Potluck is a Web-based user interface that lets casual users—those without                      Don't
programming skills and data modeling expertise—mash up data themselves. Potluck is              Know
novel in its use of drag and drop for merging fields, its integration and extension of the
faceted browsing paradigm for focusing on subsets of data to align, and its application of
simultaneous editing for cleaning up data syntactically. Potluck also lets the user
construct rich visualizations of data in-place as the user aligns and cleans up the data.

Semantic Web development platform for ontologies in PHP. pOWL consists of a                      Yes
number of components, including RAP
Prefuse is a set of software tools for creating rich interactive data visualizations. The        Yes
original prefuse toolkit provides a visualization framework for the Java programming
language. Prefuse supports a rich set of features for data modeling, visualization, and
interaction. It provides optimized data structures for tables, graphs, and trees, a host of
layout and visual encoding techniques, and support for animation, dynamic queries,
integrated search, and database connectivity.
PRIOR+ is a generic and automatic ontology mapping tool, based on propagation theory,            Yes
information retrieval technique and artificial intelligence model. The approach utilizes
both linguistic and structural information of ontologies, and measures the profile similarity
and structure similarity of different elements of ontologies in a vector space model
Profium's Metadata Server is a content management system using standardized                      No
metadata which improves information reusability and allows the user to process and
distribute further information acquired from numerous sources in different formats

The PROMPT tab plug-in for Protégé is for managing multiple ontologies by comparing              Yes
versions of the same ontology, moving frames between included and including project,
merging two ontologies into one, or extracting a part of an ontology.

Open source visual ontology editor written in Java with many plug-in tools                       Yes
Frequently consult this page to review new additions to the Protégé editor; presently            Yes
there are dozens of specific plugins, most related to the semantic Web and most open
Proximic is a contextual matching platform to deliver relevant and useful content and           Yes/No
ads. Multiple products can be built on the platform; current options are a Firefox plug-in
and a Publishers widget
PROXIMITY is an open-source system for relational knowledge discovery designed and               Yes
implemented by the Knowledge Discovery Laboratory in the Department of Computer
Science at the University of Massachusetts Amherst
Pubby is a simple Java-based web application that puts a Linked Data compatible                  Yes
interface in front of a SPARQL endpoint. Pubby handles requests to the mapped URIs
by connecting to the SPARQL endpoint, asking it for information about the original URI,
and passing back the results to the client. It also handles various details of the HTTP
interaction, such as the 303 redirect required by Web Architecture, and content
negotiation between HTML, RDF/XML and N3 descriptions of the same resource

Pushback aims at turning the current 'read-only' Semantic Web into a read/write                  Yes
Semantic Web. In pushback, a vocabulary is defined and a process is created to create
to produce RDForms (HTML form + RDF data), which are then used to write back
changes to the Web 2.0 sources via an RDF wrapper.
Pychinko is a Python implementation of the Rete algorithm, an efficient way to apply             Yes
forward-chaining rules to a set of facts. Pychinko employs an optimized implemention of
the algorithm to handle facts expressed as triples, and process them using a set of N3
pyrple parses RDF/XML, N3, and N-Triples. It has in-memory storage with API-level                Yes
querying, experimental marshalling, many utilities, and is small and minimally
interdependent. It can do graph isomorphism testing, rule application, etc.
PySesame is a Python wrapper for Sesame's Repository API, developed by Pike                      Yes
QEDWiki is a lightweight mash-up maker written in PHP 5 and hosted on a LAMP,                    Yes
WAMP, or MAMP stack. A mash-up assembler will use QEDWiki to create a
personalized, ad hoc Web application or mash-up by assembling a collection of widgets
on a page, wiring them together to define the behavior of the mash-up application, and
then possibly sharing the mash-up with others
Quanta is a unique browser for navigating and viewing structured data supported by              Online
ontologies in a media-rich manner
Queso is the Web application framework component of the IBM Semantic Layered                     Yes
Research Platform. It uses the Atom Publishing Protocol to allow a browser-based Web
application to read and write RDF data from a server
A collection of Projects and Tools to be used with the semantic reasoning engine                 Yes
RacerPro is an OWL reasoner and inference server for the Semantic Web                            No
RADAR is a comprehensive set of components for semi-automatic cognitive learning.                Yes
Machine learning has been developed to the point where it can perform some truly useful
tasks. However, much of the learning technology that's currently available requires
extensive 'tuning' in order to work for any particular user, in the context of any particular
task. RADAR's components are designed to overcome these limitations

RAP is a software package for parsing, searching, manipulating, serializing and serving          Yes
RDF models written entirely in PHP
The RDF server of the PHP RAP environment. The RAP NetAPI provides an subset                     Yes
implementation of the W3C member submission RDF NetAPI and of a subset of the
SPARQL Protocol. The NetAPI allows you to run an RDF server, with similar functionality
as the Joseki RDF server, on web servers that provide PHP support

RapidMiner (formerly YALE) and its plugins provide more than 400 operators for all               Yes
aspects of data mining useful for business intelligence or maching learning. Key plugins
in text, CRF, and others exist. A huge amount of visualization techniques and the
possibility to place breakpoints after each operator give insight into the success of your
design - even online for running experiments
RAPPTOR is a semantic technologies-enabled Web application server for the .Net                   Yes
platform. It integrates relational, hierarchical, and even semantic data structures into a
common API and offers broad DBMS connectivity through pluggable drivers. It is
designed for rapid application development, a code-driven development style, and
platform-independence (Mono and MS .Net 1.0/1.1/2.0/3.0)
The Raptor RDF parser toolkit is a free software / Open Source C library that provides a         Yes
set of parsers and serializers that generate Resource Description Framework (RDF)
triples by parsing syntaxes or serialize the triples into a syntax. The supported parsing
syntaxes are RDF/XML, N-Triples, Turtle, RSS tag soup including Atom 1.0 and 0.3,
GRDDL for XHTML and XML. The serializing syntaxes are RDF/XML (regular, and
abbreviated), N-Triples, RSS 1.0, Atom 1.0 and Adobe XM
Rasqal is a C library for querying RDF, supporting the RDQL and SPARQL languages. It          Yes
provides APIs for creating a query and parsing query syntax. It features pluggable triple-
store source and matching interfaces, an engine for executing the queries and an API for
manipulating results as bindings. It uses the Raptor RDF parser to return triples from
RDF content and can alternatively work with the Redland RDF library's persistent triple
stores. It is portable across many POSIX systems

A natural language interface to a structured data (RDF) data display that allows viewing     Online
by facet; implemented as an online service
rCache is a Firefox extension that provides a research repository online for storing          Yes
articles, blog postings, partial pages, documents and images. The system provides data
collection, indexing, tagging, filtering, searching, RSS feeds and collaboration.
The goal of RDF Alchemy is to allow anyone who uses python to have a object type API          Yes
access to an RDF Triplestore. The API will be a copy of the SQLAlchemy Object
Relational Mapper (ORM)
The RDF API module for Drupal provides comprehensive RDF functionality and                    Yes
interoperability for the Drupal 6.x platform.
The RDF CCK module for Drupal allows site administrators to map each content type,            Yes
node title, node body and CCK field to an RDF term (class or property). By default, RDF
CCK will create local classes and properties for all your content types and fields which
will be exported at node/*/rdf
The RDF Entity Manager uses Java semantic annotation to persist objects to the                Yes
Sesame 2 RDF store. It is a support component of the Texai intelligent chatbot project.

Being able to reuse RDF vocabularies across sites is one of the key elements for the          Yes
semantic web to take off. The RDF external vocabulary importer module (evoc) for
Drupal caches any external RDF vocabulary and provides properties to be mapped to
CCK fields, node title and body. This module requires the RDF and the SPARQL
This program acts as a filter layer between SAX (The Simple API for XML) and the              Yes
higher-level RDF (Resource Description Format), an XML-based object-serialization and
metadata format. The RDF filter library is used by several RDF-based projects
Intellidimension's RDF Gateway is an RDF Triple database with RDFS reasoning and              No
SPARQL interface
RDF Gravity is a tool for visualising RDF/OWL Graphs/ ontologies including graph              Yes
visualization, global and local filters, full-text search, generating views from RDQL
queries, and visualising multiple RDF files. It is implemented by using the JUNG Graph
API and Jena semantic web toolkit
Intellidimension's RDF InferEd is an authoring environment with the ability to navigate       No
and edit RDF documents
The RDF Metadata Module for Drupal allows you to apply RDF statements to content              Yes
nodes, specifying any number of relationships between different documents or URLs.
Relationships are modelled on the Dublin Core Metadata definitions, and can support
arbitrary ontologies
The RDF SPARQL Endpoint module for Drupal indexes the RDF data publicly available             Yes
on a Drupal site into an ARC2 RDF store. It also provides a SPARQL endpoint via the
ARC2 SPARQL interface. The SPARQL module should be used instead if another
database support is required.
The RDF SPARQL Proxy module for Drupal allows to instantiate RDF resources on                 Yes
demand (lazy loading) via the remote data schema to the local Drupal RDF schema
defined by the RDF API and RDF CCK . When visiting a node, it is synchronized with the
RDF endpoint where the data originates from.
RDF Viewer is a Firefox extension for exploring the structure of a RDF source                   Yes
RDF::Notation3 is an RDF/N3 parser; it can parse N3 files or strings and provide results        Yes
in whatever format (as far as there are subclasses supporting your desired format
available). It is a base class providing the parsing logic only, and more likely serves as a
parser for other Perl RDF modules (such as RDF::Core) focused on how to store and
access RDF models
RDF::Sesame is a Perl module for communicating with Sesame repositories over HTTP               Yes

RDF::Simple is a very straightforward parser and serializer for RDF                             Yes

This tool converts RDF/XML or N3 content into dataRSS feeds as accepted by Yahoo               Online
SearchMonkey. The tool can be used to feed GoodRelations-based e-commerce
descriptions into the Yahoo family of technology
RDF2GO is a wrapper around most available triple stores. You can exchange your triple           Yes
store at any time with support for Jena, Sesame, YARS, NG4J and others
This package implements a RDF/XML-ABREV to HTML translator. It is based on the                  Yes
XSL style sheet
This tool converts RDF/XML (in the future also N3) content into RDFa snippets that can          Yes
be easily pasted into existing XHTML Web pages. Available onliine or as an API

RDF/XML and N3 validator. The online demo validates small snippets of RDF/XML or                Yes
Notation 3 (including N-Triples and Turtle)
RDFAPI-JS uses JavaScript RDFa widgets to maintain a Model/View separation inside               Yes
Read/Write Web sites; the JavaScript API allows the independent creation of editing
widgets for embedded RDFa, and it provides sound update methods for model
synchronization between client and server.
RDFAuthor is a tool designed to ease the pain of creating rdf instance data. Authoring is       Yes
largely a matter of dragging in data and binding it together using a graphical interface

The RDFContext Tools API gives a way to attach "context" information to pieces of an            Yes
RDF model by adding triples to the model itself. This is similar to reification but at a
different, coarser, level.
rdfds.s is a JavaScript library for easier access to RDF datasources and resources. It          Yes
contains four objects, RDFDataSource, RDFNode, RDFLiteral. and RDFEnumerator

RDFe is a schema aware RDF Editor. RDFe is built in Python 2.3, and requires the                Yes
Pyrple RDF toolkit
RDF-EASE is a document description language used to transform an XHTML document                 Yes
to RDF triples. It is intended as an alternative to XSLT in the context of GRDDL. RDF-
EASE is a non-Turing-complete language with a familiar CSS-like syntax, easy for non-
programmers to pick up quickly. Like CSS, it allows authors to use a flexible system of
selectors to select groups of elements and apply various rules to them. RDF-EASE also
borrows from RDFa in defining what these rules mean and how they work together

RDF Gravity is a tool for visualising RDF/OWL Graphs/ ontologies. It is implemented by          Yes
using the JUNG Graph API and Jena semantic web toolkit
This Java server creates and manages knowledge exchange groups. Servers can go                  Yes
"public" (and therefore appear automatically in the DBin list of available servers) or be
used for private purposes. To connect to one such private server from DBin, use the
"add manual server" feature.
RDFIzers arew little conversion tools for converting a source file in a given format to           Yes
RDF. RDFizers are provided for JPEG, MARC/MODS, OAI-PMH, OCW, EMail, BibTEX,
Flat, Weather, Java, Javadoc, Jira, Subversion and Random. In addition, the project
page has links to other third-party RDF converters for iCal, Palm, Outlook, RFC822,
Garmin, EXIF, Fink, D2RQ, D2RMAP, XLS, CSV, XSD, XML and MPEG-7/CS

RDFLib, an RDF libary for Python, including a SPARQL API. The library also contains               Yes
both in-memory and persistent Graph backends
RDFParser is fully compliant with the RDF/XML specification. The parser passes all of             Yes
the positive parser test cases from the W3C. It has only been tested in Firefox 1.5 but
should work in any browser that supports the DOM Level 2 specification

rdfQuery is a set of JavaScript plugins for jQuery to support RDFa parsing, querying and          Yes
Access RDF from Java using inferencing. RDFReactor views the RDF data model                       Yes
through object-oriented Java proxies. It makes using RDF easy for Java developers
RDFStats generates statistics for datasets behind SPARQL-endpoints. The generator                 Yes
runs as a stand-alone process (e.g. beside a native RDF Store, D2R-Server instance or
any other SPARQL end-point). It can also be embedded into other applications. It is
based on Jena
RDFStore is an RDF storage with Perl and C API-s and SPARQL facilities                            Yes
The ICS-FORTH RDFSuite open source, high-level scalable tools for the Semantic Web.               Yes
This suite includes Validating RDF Parser (VRP), a RDF Schema Specific DataBase
(RSSDB) and supporting RDF Query Language (RQL)
RDFX is a suite of plug-ins for the Eclipse platform designed to encourage and facilitate         Yes
experimentation of semantically enhanced applications
RDFXSLT simplifies using XSLT and XPath to process arbitrary RDF/XML data. The first              Yes
part is a stylesheet that preprocesses the incoming RDF/XML in a "flattened" form
followed by a second part of three XSLT functions to simplify navigating the RDF/XML.

RDig provides an HTTP crawler and content extraction utilities to help building a site            Yes
search for web sites or intranets. Internally, Ferret is used for the full text indexing. After
creating a config file for your site, the index can be built with a single call to rdig; it is
written in Ruby
RDQL - A Query Language for RDF. RDQL has been implemented in a number of RDF                     Yes
systems for extracting information from RDF graphs

The ReDeFer project employs a ―XML Semantic Reuse Methodology‖ that combines an                   Yes
XML Schema to OWL web ontology mapping, called XSD2OWL, with a mapping from
XML to RDF, XML2RDF. The ontologies generated by XSD2OWL are used during the
XML to RDF step in order to generate RDF data enriched by the XML Schema
semantics made explicit.
Redfoot is a hypercoding system which is being used to create a webized operating                 Yes
system and is also being used to create applications. It is built around the notion of an
RDF Graph for persistence rather than a File Tree
The Redland RDF Application Framework is a set of free software libraries that provide            Yes
support for RDF. It provides parser for RDF/XML, Turtle, N-triples, Atom, RSS; has a
SPARQL and GRDDL implementation, and has language interfaces to C#, Python, Obj-
C, Perl, PHP, Ruby, Java and Tcl
Redland RDF language binding to Ruby. The Ruby API is an object-based API reflecting              Yes
the same structure of the Redland objects with simple mappings between them
REFINER++ is a system which allows domain experts to create and maintain their own             Yes
Knowledge Bases, and to receive suggestions as to how to remove inconsistencies, if
they exist.
RelSE is a prototype system of relational search for Wikipedia. It supports queries           Online
combining both keywords and relations, fully leveraging the rich textual and structural
information in Wikipedia. A faceted browsing functionality is provided to help users
accomplish complex queries. RelSE is powered by Semplore engine.
Rej is a graphical utility that allows you to write RDF statements directly, using a simple    Yes
layout that is designed to naturally reflect the basic RDF model. You might use Rej in any
situation that uses RDF as part of its pipeline, or as a general purpose annotation tool,
such as when taking notes or doing research
Automatically extracts the semantics of virtually any relational database and transforms       Yes
this information automatically into RDF/OW
Ruby interface to the (openRDF) Sesame RDF storage backend. The rsesame library                Yes
allows you to communicate with Sesame using the HTTP interface
ReTAX is an aide to help a taxonomist create a consistent taxonomy and in particular           Yes
provides suggestions as to where a new entity could be placed in the taxonomy whilst
retaining the integrity of the revised taxonomy (c.f., problems in ontology modelling).

A URI/IRI validation service with many additional checks and validations provided             Online
Rhizome is a Wiki-like content management and delivery system that exposes the entire          Yes
site including content, structure, and metadata as editable RDF. This means that instead
of creating a site with URLs that correspond to a page of HTML, you can create URLs
that represent just about anything. It was designed to enable non-technical users to
create these representations in an easy, ad-hoc manner. For developers, this allows
both content and structure to be easily repurposed and complex Web applications to be
rapidly developed
Rhodonite is an easy to use RDF-Editor and RDF-Browser. Currently only a windows               Yes
installer is available but other systems will follow
Rich Snippet allows you to enhance your Google search results by marking up web               Online
pages with Microformats or RDFa
RiMOM (Risk Minimization based Ontology Mapping) integrates different alignment                Yes
strategies: edit-distance based strategy, vector-similarity based strategy, path-similarity
based strategy, background-knowledge based strategy, and three similarity-propagation
RDF parsers and writers for various RDF file formats that are included in Sesame 1.x           Yes

Ripple is a scripting language expressed in RDF lists. Its scripts both operate upon and       Yes
are made up of RDF metadata, extending the idea of HTTP. The Java implementation of
Ripple includes a query engine, a provisonal assortment of primitive functions, and an
interactive interpreter which parses commands and queries in a readable, Turtle-like
RKBGadgets give access to the Linked Data of the RKB Platform, enabling the many               Yes
knowledge bases and external Linked Data sources to be conveniently searched and
queried, with the results presented in a consolidated view. Details of people and other
artefacts of academic research can be found, and the relationships between them
rng2grddl.xsl is an (incomplete) generator of XSLT that takes as its input a RelaxNG           Yes
schema, plus an XSLT, config.xsl, which defines a few simple attribute/value pairs for
the mapping
Java-based automatic Web extractor. The system has been implemented in a working               Yes
prototype, which has been used to conduct a number of experiments on real-life data-
intensive Web sites
ROWL stands for the Rule Extension of OWL; it is from the Mobile Commerce Lab in the            Yes
School of Computer Science at Carnegie Mellon University
Ruby screen scraper; it is a Ruby port of the hit Python HTML/XML parser Beautiful              Yes
A W3-sponsored beta Ruby RDF library; it is no longer under active developmen                   Yes
The Rule Manager allows business users to construct, animate, validate and visualize            No
business rules without writing any technical code. It uses English-friendly constructions
and does not require semi-colons, quotes, or other technical constructions. It is based
on RuleML and uses .Net
Rx4RDF shields developers from the complexity of RDF by enabling you to use familar             Yes
XML technologies like XPath, XSLT and XUpdate to query, transform and manipulate
RDF. Also included is Rhizome, a wiki-like application for viewing and editing RDF
S3DB is a web service application with an explicit semantic data model. Specifically, the       Yes
core model, described in RDFS, distinguishes the domain of discourse from its
instantiation. This distinction enables the explicit inclusion of a permission inheritance
component. As a consequence, the access to individual data elements is resolved on the
server side rather than at the access point. Data formats supported include tabular text,
HTML, XML, XML/RDF, N3/RDF, and JSON. The S3DB code also includes a basic web-
based database management system application (DBMS). See also
Sage is a lightweight RSS and Atom feed aggregator extension for Mozilla Firefox                Yes
including OPML support
Sahi is an automation and testing tool for web applications, with the facility to record and    Yes
playback scripts. Developed in java and JavaScript, this tool uses simple JavaScript to
execute events on the browser. Can be used for Web wrapping or other semantic tasks

An online service based in either a literal text input or a linked data URI that identifies    Online
other datasets in which the same entity is referred ("sameAs"); based on the rkbexplorer
Samizdat is a generic RDF-based engine for building collaboration and open publishing           Yes
web sites. Samizdat provides users with means to cooperate and coordinate on all kinds
of activities, including media activism, resource sharing, education and research

SAWSDL (Semantic Annotations for WSDL) editor for adding semantic annotations to                Yes
WSDL documents; it is an Eclipse plugin usable with WMSO Studio

Scaffold is a Firefox extension that makes it easier to write, test and deploy site             Yes
translators for Zotero
Scardf is an API in Scala providing a DSL for writing, traversing and querying RDF              Yes
graphs. Implemented as a façade to Jena, an RDF programming framework for Java.

Schema-Cache is an online search engine for RDF vocabularies and schemas that you               Yes
can look up by schema name, properties and classes. Results can be viewed as
RDF/XML, JSON, or JSONP; SPARQL and JSON Query interfaces are available
Scone is a high-performance, open-source knowledge-base (KB) system intended for                Yes
use as a component in many different software applications. Scone supports simple
inference over the elements and statements in the knowledge base: inheritance of
properties from more general descriptions, following chains of transitive relations,
detection of type mismatches, and so on
ScrapBook is a Firefox extension, which helps you to save Web pages and easily               Yes
manage collections. Key features are lightness, speed, accuracy, multi-language
support, save Web pages, snippets or sites, organize, full-text search, annotate and
Scrapes is a framework for crawling and scraping multi-page web sites. Unlike other          Yes
scraping frameworks, Scrapes is designed to work with ―dirty‖ web sites. That is, web
sites that were not designed to have their data extracted programmatically

srAPI is a Web wrapper written in Ruby. It uses CSS selectors to write easy,                 Yes
maintainable scraping rules to select, extract and store data from HTML content
Basic screen scraper in Ruby. It provides a graphical interface allowing you to designate    Yes
URL's, data elements to be extracted, and scripting logic to traverse pages and work
with mined data
scRUBYt! is a simple to learn and use, yet powerful web scraping toolkit written in Ruby.    Yes
It extends the approaches used in HPricot and www::Mechanize
SDB is a persistent storage subsystem for Jena that is designed around SPARQL. SDB           Yes
is not a replacment for Jena's current database layer which is more reliable and widely
tested. SDB is an ARQ query engine that also happens to support the Jena Graph API
via translation to SPARQL
SEAL (Set Expander for Any Language) uses set expansion to expand a given partial set       Online
of objects into a more complete set. A well-known example system that does set
expansion using the web is Google Sets. SEAL uses a novel method for expanding sets
of named entities. The approach can be applied to semi-structured documents written in
any markup language and in any human language.
Siderean's Seamark Navigator provides a platform to combine Web search pages with            No
product catalog databases, document servers, and other digital information from both
inside and outside the enterprise
Searchy is a metasearch engine that is able to integrate information from a wide range of    Yes
sources performings a semantic translation into RDF. It has a distributed nature and is
specially suitable to integrate information across different organisations with a minimun
SegmentationApp is a Java application that segments a given ontology according to the        Yes
approach described in "Web Ontology Segmentation: Analysis, Classification and Use"

Semantic Bank is the server companion of Piggy Bank that lets you persist, share and         Yes
publish data collected by individuals, groups or communities. In the past it was a
standalone project but now comes bundled with Longwell as a Longwell configuration.

The Semantic Data Extractor from W3C is an online tool, geared by an XSLT stylesheet,        Yes
that tries to extract some information from a HTML semantic rich document. It only uses
information available through a good usage of the semantics defined in HTML. It is a bit
finicky and requires valid (X)HTML as the starting point.

The Semantic Discovery System (SDS) uses an ontology-driven approach to query over           No
federated data sources. It provides bridges to legacy data sources such as Oracle,
Excel and other proprietary formats to make them accessible via SPARQL queries and
related semantic Web technologies.
The Semantic Engine is a standalone indexer/search application. Mac OSX only;                Yes
Windows and Linux versions are on their way
The Semantic Explorer allows you to enter a search query and watch as the resulting             Yes
sub-graph is layed out on screen, visually clustering documents and terms together.
Mac OS X only.
Semantic MediaWiki is a module to the MediaWiki software (powering Wikipedia), which            Yes
extends the Wiki with ideas from the Semantic Web. It focuses on usability and tight
Utility for generating topic maps automatically from different data sources by using rules      Yes
definitions specified with Jelly XML syntax. This Java library provides Jelly tags to access
and modify data sources (also RDF) to create a semantic network
Semantic Radar is a Firefox extension that displays a status bar icon to indicate               Yes
presence of Semantic Web (RDF) data in the web page
Semantic Search is a module for Drupal providing faceted search. It´s built on top of           Yes
Sesame or ARC.
Semantic Server, built by Semantic Soft, stores information in multiple semantic                No
repositories with strong meta-data management features, offers features for
collaborative development with security and user management, publishes content from
repositories on the web, and has a visual SPARQL processor
The Semantic Service Bus (SSB) is a runtime enterprise service bus (ESB) framework              No
with semantic capabilities. It enables the development of multi-tier semantic solutions to
query, transform, route and perform reasoning over RDF data and associated
Semantic Tools for Web Services is a set of Eclipse plug-ins that allow developers to           Yes
insert semantic annotations into a WSDL document to describe the semantics of the
input, output, preconditions, and effects of service operations. A second plug-in matches
the description of the service or composition of services to that for which a developer is
searching. This technology is part of the Emerging Technologies Toolkit (ETTK)

Semantic Turkey is a Firefox Extension which can be used to keep track of relevant              Yes
information from visited web sites and organize collected content according to a
personally defined ontology. Clear separation between knowledge data (the WHAT) and
web links (the WHERE) is established into the knowledge model of the system, which
allows for innovative navigation of both the acquired information and of the pages where
it has been collected.
A WordPress plug-in that semantically records FOAF data for visits to other sites               Yes

The Semantic Web Assistant combines the capabilities of production rule systems with            Yes
RDF data on the Semantic Web. It lets users define rules that work with RDF data in
Semantic Web Client library represents the complete Semantic Web as a single RDF                Yes
graph, which can be queried using SPARQL. To answer queries, the library dynamically
retrieves information from the Semantic Web by dereferencing HTTP URIs and by
Semantic Web Pipes is an online Ajax service that enables fetch, mix and process RDF           Online
files published on the Web. The output of a Pipe is an HTTP retrievable RDF model;
thus, simple pipes can also work as inputs to more complex Pipes. SW Pipes currently
has 4 RDF Pipes components (Fetch, Mix, SPARQL Transform and RDFS
materialization), with more planned.
Semantica® represents knowledge in the form of semantic networks. Semantica                     No
incorporates a Geospatial Information System (GIS) and supports native .KML output for
integration into other GIS tools, Wikimedia and related open-source tools
SemanticHacker API is an open API for semantic discovery. The API delivers a                   Online
Semantic Signature® which is a representation of concepts covered in a block of text.
The SemanticMiner is a Knowledge Retrieval platform that combines semantic                    Don't
technologies with conventional retrieval approaches. The improved navigation enables          Know
the user to easily define semantic queries to all kinds of information sources - especially
unstructured documents.
SemanticWord is an environment based in MS Word that integrates content and markup             Yes
authoring, providing customizable tools that allow semantic annotations, customizable
templates, and automatic information extraction and refinement. Besides MS Word,
requires the commmercial JNBridge
Semantic Clipboard (SemClip) enables the exchange of semantically enriched data                Yes
between desktop applications and from Web pages. It uses the clipboard to handle such
formats as FOAF, RDFa, vCard, hCard, etc. Currently only runs on the Mac OS

SemCocoon is an extended stand-alone distribution of Cocoon 2.1.3, with added                  Yes
components that enable Web Services- and Semantic Web-functionality (an embedded
Ontogator and an interface to Ontodella), along with other minor enhancements

SemFS is a semantic file system based on RDF. On Windows, it can be mounted as a               Yes
WebDAV drive. For Linux, SemFS can be used as a user level file system via FUSE.
SemFs currently supports tagging of files and browsing according to various ontologies

SemMF is a flexible framework for calculating semantic similarity between objects that         Yes
are represented as arbitrary RDF graphs. The framework allows taxonomic and non-
taxonomic concept matching techniques to be applied to selected object properties

SemperWiki is an open-source semantic personal Wiki for Gnome. It offers the usability         Yes
of personal Wikis and the improved retrieval and querying of semantic Wikis

Semplore is a semantic search engine with hybrid text and facet/concept query capability      Online
and scalability for querying and searching semantic web data using existing IR engines.

SemSearch is a semantic search engine, which is designed for naïve users, i.e., ordinary       Yes
end users who are not necessarily familiar with domain specific semantic data,
ontologies, or SQL-like query Languages
SemSol is a forthcoming Web development and blogging framework that uses Semantic             Don't
Web technology to significantly increase productivity and flexibility for everyday Web        Know
Versioning for RDF; based on Jena, it reads: RDF/XML, N3 or NT syntax                          Yes
SemWeb for .NET supports persistent storage in MySQL, Postgre, and Sqlite; has been            Yes
tested with 10-50 million triples; supports SPARQL
semweb4j offers a unique framework to create semantic web applications with Java fast          Yes
and type-safe. It consists of three components: RDF2GO is a wrapper around most
available triple stores; RDFReactor allows you to program with an object-oriented Java
API; and jREST puts your Java objects on the (semantic) web
A RESTful, distributed semantic wiki. It builds off of RDFReactor3 and RDF2Go                  Yes
Sesame is an open source RDF database with support for RDF Schema inferencing and              Yes
querying. It offers a large scale of tools to developers to leverage the power of RDF and
RDF Schema. It was recently updated to Sesame 2.0
The Sesame-Jena Adapter provides access to a Jena model through the Sesame SAIL                Yes
SETH is a software effort to deeply integrate Python with Web Ontology Language (OWL-          Yes
DL dialect). The idea is to import ontologies directly into the programming context so that
its classes are usable alongside standard Python classes.
Sewese is an implementation of such a plateform built upon CORESE engine. This                  Don't
framework provides a set of functionalities like generation of interfaces for requests,         Know
edition and navigation, and management of the transverse functions of a portal
(presentation, internationalization, security, ...). An ontology editor, a generic annotation
editor and a basic rule editor are parts of the Sewese platform
SHAME is a metadata editing and presentation framework for RDF metadata.                         Yes
Annotation profiles are then used to generate User Interfaces (semantic) for either
editing, presentation or querying purposes. The user interface may be realized in a web
setting (both a jsp and velocity version exists) or in a stand alone application (a
java/swing version exists)
Sheaflight is an experimental Linked Data Browser which uses Microsoft's Silverlight             Yes
technology and Joshua Tauberer's Semantic Web/RDF library to deliver a Treemap
visualization of the underlying RDF/XML representation of resources (HTTP URIs)

SHER is an ontology analytics and reasoning engine that scales to very large and                 Yes
expressive RDF/OWL knowledge bases stored in a relational database.
Sidewinder is a new kind of application framework that uses standard web languages               Yes
such as XHTML, SVG, XForms and Ajax, in place of more complex languages such as
C++, C# or Java, to build complete, internet-facing, desktop applications.

SIE (Simple Information Extraction) is an information extraction system based on a               Yes
supervised machine learning technique for extracting implicit relations from documents.
In particular, Information Extraction (IE) is cast as a classification problem by applying
Support Vector Machines (SVMs) to build a set of classifiers for detecting the boundaries
of the entities to be extracted.
Sifter is an experimental Firefox extension that is the first end-to-end solution that           Yes
integrates a web data extraction algorithm with a user interface for automatically filtering
and sorting structured data from Web sites.
Sig.mais a tool to explore and leverage the Web of Data. It indexes and retrieves               Online
information for any Web site that embeds RDF, RDFa or microformats. It can be used as
a browser, a widget or an API
The Silk famework is a tool for discovering relationships between data items within              Yes
different Linked Data sources. Data publishers can use Silk to set RDF links from their
data sources to other data sources on the Web.
SimMetrics is an open source extensible library of Similarity or Distance Metrics, e.g.          Yes
Levenshtein Distance, L2 Distance, Cosine Similarity, Jaccard Similarity etc etc.
SimMetrics provides a library of float based similarity measures between String Data as
well as the typical unnormalised metric output. It is intended for researchers in
information integration and related fields. It includes a range of similarity measures from
a variety of communities, including statistics, DNA analysis, artificial intelligence,
information retrieval, and databases.
Sindice is a simple lookup index for Semantic Web resources that use RDF. Sindice                Yes
indexes the Semantic Web and can tell you which sources mention a certain resource
URI. Besides the online service, it is possible to download the open source code at
Sindice Inspector is a Web data tool that shows the structured data (such as                    Online
microformats or RDFa) contained in HTML documents. It can also accept input in
RDF/XML, Turtle or N-Triple format.
The SIOC Exporter for WordPress is a plugin that supports creation of SIOC                       Yes
(Semantically-Interlinked Online Communities), one of the standard RDF ontologies. It
works with all WordPress versions above 1.5
SIREn is the information retrieval system used by the Sindice semantic Web search             Yes
service. It is based on Lucene / Solr and provides a full-featured search engine for semi-
structured data.
SiteScraper is a Web scaper based on Xpath that only requires a small number of seed          Yes
texts to train the system. It has high precision and recall
SKOS2GenTax is an online tool that converts hierarchical classifications available in the    Online
W3C SKOS (Simple Knowledge Organization Systems) format into RDF-S or OWL
SKOSEd is a plugin for Protege 4 that allows you to create and edit thesauri (or similar      Yes
artefacts) represented in the Simple Knowledge Organisation System (SKOS).

IBM's SLRP is a family of open-source Semantic Web software components including an           Yes
enterprise RDF store, query engine, web application framework, RCP development
libraries, and more
SMOB is a distributed / decentralised microblogging system built on RDF and Semantic          Yes
Web technologies, mainly SIOC and FOAF.
OWL markup for HTML pages. SMORE integrates the SWOOP ontology browser,                       Yes
providing a clear and consistent way to find and view Classes and Properties, complete
with search functionality
Metasearch engine with clustering; it is presently offered as an online service               No
Snoggle is a graphical, SWRL-based ontology mapper. Snoggle attempts to solve the             Yes
ontology mapping problem by providing a graphical user interface (similar to which of the
Microsoft Visio) to guide the process of ontology vocabulary alignment. In Snoggle, user-
defined mappings can be serialized into rules, which is expressed using SWRL.

SOBOLEO is a system for Web-based collaboration to create SKOS taxonomies and                Don't
ontologies and to annotate various Web resources using them                                  Know
SOFA is a Java API for modeling ontologies and Knowledge Bases in ontology and                Yes
Semantic Web applications. It provides a simple, abstract and language neutral ontology
object model, inferencing mechanism and representation of the model with OWL,
DAML+OIL and RDFS languages; from
Solvent is a Firefox extension that helps you write JavaScript screen scrapers for Piggy      Yes
Sommer is a very simple library for mapping Plain Old Java Objects (POJOs) to RDF             Yes
graphs and back. Sommer stands for Semantic Object (Metadata) Mapper.
Soprano (formerly known as QRDF) is a library which provides a highly usable object-          Yes
oriented C++/QT4 framework for RDF data. It uses different RDF storage solutions as
backends through a simple plugin system. Soprano is targetted at desktop applications
that need a RDF data storage solution. It has been optimized for easy usage and
Sparallax is a faceted browsing interface for SPARQL endpoints, based on the Freebase         Yes,
Parallax applicatioin. Sparallax works with a MQL to SPARQL two way translator               Online
(Request and Reply) which sits between Parallax and the SPARQL endpoint. Sparallax
allows customizations on how to visualize a Semantic Web dataset based on simple
configuration files.
SPARCool offers a way to run SPARQL queries about any URI that follows the Linked             Yes
Data principles by calling a simple URL based on the[;l=lang]/URI pattern. It supports XML, JSON and
HTML formats.
SPARQL is a query language for getting information from such RDF graphs. It provides           Yes
facilities to extract information in the form of URIs, blank nodes and literals; extract RDF
subgraphs; and construct new RDF graphs based on information in the queried graphs

SPARQL JavaScript Library interfaces to the SPARQL Protocol and interpret the return           Yes
values as part of an AJAX framework
sparql-editor is a simple, single-file HTML form/textarea/Javascript based SPARQL              Yes
editor with validation. It was developed by Danny Ayers and is in the public domain; it
has only been tested in Firefox.
a basic, online SPARQL query demo and service; combines sparql-editor and actual               Yes
results sets

A SPARQL demo query service; results can be outputted in RDF/XML, XML, Turtle, and             Yes

SPARQL queries are not confined by datasource boundries. Queries over distributed              Yes
data often entail querying one source and using the acquired information to constrain
queries of the next source. SPARQLfed bundles an intermediate result set with a
SPARQL query, allowing the remote engine to locally join its data against the current
SparqlMotion is a visual language from TopQuadrant that enables average users to               No
define scripts that import, post-process, query and visualize data using semantic Web
technology. Users can define and share those scripts as OWL/RDF models, based on a
dedicated SparqlMotion ontology and module library. An ontology editor can be used to
define the data and execution flow of these scripts using drag and drop. Scripts can be
executed within Composer or on the Web using the TopBraid Live platform.

sparql-query is a command line SPARQL client written in C and known to work on Linux           Yes
and OSX; it is released under the GNU General Public Licence
SPARQLTree turns SPARQL results into more manageable trees of data using a simple              Yes
convention on variable names, which are grouped together into "condensed" object
trees, suitable for common ("OO") programming languages to handle efficiently (think
JSON). The current implementation can be used programmatically to convert regular
results on the fly into "idiomatic" JSON
SparqlXMPP is a messaging framework to transport SPARQL queries to various                     Yes
endpoints, querying the RDF data stored at those endpoints using SPARQL, and then
receving data in the standardized SPARQL XML query results format. It uses XMPP, the
protocol behind the more commonly known Jabber chat services, that is an XML based
communications format with significant support for extensibility. SparqlXMPP uses the
jabberpy jabber library, client/server software written in Python, and uses Redland for
RDF processing and storage.
Sparta is an Python API for RDF that is designed to help easily learn and navigate the         Yes
Semantic Web programmatically. Unlike other RDF interfaces, which are generally triple-
based, Sparta binds RDF nodes to Python objects and RDF arcs to attributes of those
Python objects
SPASQL is experimental effort to add SPARQL support to MySQL. It is based on query             Yes
translation work between SPARQL and SQL, where there is a high degree of
conformance. A SPASQL query can be seen as a SPARQL query with only a query
string. SPASQL does not support CONSTRUCT or DESCRIBE at this time
SpecGen v5, ontology specification generator tool. It's written in Python using Redland        Yes
RDF library and licensed under the MIT license
SPIN is a collection of RDF vocabularies enabling the use of SPARQL to define               Yes
constraints and inference rules on Semantic Web models. SPIN also provides meta-
modeling capabilities that allow users to define their own SPARQL functions and query
templates. Finally, SPIN includes a ready to use library of common functions.

Spiral (formerly Rdf Lib) is a .Net / Mono RDF API for parsing and writing RDF              Yes
SquirrelRDF is a tool which allows non-RDF data stores (or, perhaps, not explicitly RDF)    Yes
to be queried using SPARQL. In its current form this includes relational databases (via
JDBC) and LDAP servers (via JNDI). It provides an ARQ QueryEngine (for java access),
a command line tool, and a servlet for SPARQL http access. As a result the information
now looks like RDF, and is always current.
Strata from Kirix is a specialty browser for accessing and manipulating Web data            No
obtained from tables, CSV files, RSS feeds, MySQL, Oracle and other databases.
Strata incorporates the Mozilla Foundation's Gecko layout engine. Data can be stored
and manipulated locally with flexible report creation. Strata comes with a data-enabled
version of ECMAScript (e.g., JavaScript) with built-in support for SQL.
Structured Blogging provides tools to bloggers to create and syndicate structured           Yes
information, such as reviews and events. Two Structured Blogging plugins are offered for
Movable Type and Wordpress. Output can be structured in micro-content (similar to
microformats) and can be made available as RDF, RSS or Atom
structWSF is a platform-independent Web services framework for accessing and                Yes
exposing structured RDF data. Its central organizing perspective is that of the dataset.
The structWSF framework is RESTful in design and is based on HTTP and Web
protocols and open standards. The initial structWSF framework comes packaged with a
baseline set of about a dozen Web services in CRUD, browse, search and export and
import. All Web services are exposed via APIs and SPARQL endpoints.

StYLiD is a system that lets you Structure Your own Linked Data and share a wide           Online
variety of data. StYLiD publishes data in machine readable formats - RDF and RDFa

SuRF is an Object Oriented - RDF Mapper based on the popular rdflib python library. It      Yes
exposes the RDF triple sets as sets of resources and seamlessly integrates them into
the Object Oriented paradigm of python in a similar manner as ActiveRDF does for ruby

Surnia can check an OWL ontology/knowledge base for inconsistency and entailments.          Yes
It is implemented as a wrapper around first-order theorem prover (OTTER, for now at
least). Unlike Hoolet (which turns the OWL into FOL), Surnia just turns the OWL into
triples and mixes in axioms
SVMlight is an implementation of Vapnik's Support Vector Machine [Vapnik, 1995] for         Yes
the problems of pattern recognition, regression, and learning a ranking function. SVM is
often a key component in various NLP tools (among others)
SWAML, pronounced [swæml], reads a collection of email messages stored in a mailbox         Yes
(from a mailing list compatible with RFC 4155) and generates a RDF description. It is
written in Python using SIOC as the main ontology to represent in RDF a mailing list

Swangling is a method for using the text search capabilities on the web for semantic        Yes
searches. The Swangler creates annotated documents from RDF-based documents that
can be indexed and then searched for on the web based on their semantic content

A semantic Web processor using Lisp. Axioms and entailment rules in RDF/S are               Yes
embodied in the system so that a lisp programmer can codify ontology in RDF/S and use
the ontology within the semantics specified by RDF/S documents
SWeDE (Semantic Web Development Environment) provides an extendable framework                 Yes
for integrating various Semantic Web tools into the Eclipse development environment

A comprehensive listing of semantic Web and -related tools from the AI3:::Adaptive            Yes
Information blog. The lightweight database is presented using MIT's Exhibit system

SweetRules is an integrated set of tools for semantic web rules and ontologies, revolving     Yes
around the RuleML (Rule Markup/Modeling Language) standard for semantic web rules,
and supporting the related SWRL (Semantic Web Rule Language). Also supports Jess,
XSB, CommonRules, Jena, and OWL via XML and RDF

SweetWiki (Semantic WEb Enabled Technology Wiki) is a semantic wiki based on the              Yes
CORESE engine. It only supports the wysiwyg edition of pages and annotations, and
uses the CORESE engine for all operations : navigation, search, etc.

SWeHG is a "poor man's" publication tool for the Semantic Web. By SWeHG it is                 Yes
possible to generate a semantically linked and conceptually indexed static HTML page
site from an RDF(S) repository
Swignition (formerly known as Cognition) is a parser for both ―upper case Semantic            Yes
Web‖ (RDF, RDFa) and ―lower case semantic web‖ (microformats) technologies. It
includes modules for exporting parsed data in a variety of formats, including RDF, vCard,
iCalendar, Atom and KML
SWI-Prolog is a comprehensive Prolog environment, which also includes an RDF Triple           Yes
store. There is also a separate Prolog library to handle OWL
Swish is a framework for performing deductions in RDF. It has similar features to CWM.        Yes
It is written for Haskell developers
Swoogle is the definitive semantic Web search engine with 1.5 M resources and 10,000          Yes
ontologies listed; it only indexes some metadata about Semantic Web documents. It
neither stores nor searches all triples in an Semantic Web documents as a triple store

A lightweight ontology editor. (Swoop is no longer under active development at                Yes
mindswap. Continuing development can be found on SWOOP's Google Code homepage
Semantic Web on Rails development (still under development) that relies heavily on            Don't
ActiveRDF                                                                                     Know
SWSE is a Semantic Web Search Engine (pronounced "swizzy" or "swishy", the prjoject            Yes
states both!). SWSE uses many existing vocabularies and ontologies to apply powerful
inferencing techniques for extended search queries. An online prototype is available at
Tabulator project is a generic data browser as a Firefox extension. Using outline and         Yes
table modes, it provides a way to browse RDF data on the web
Online, beta text extractor. The Zingo TagFinder is a Web service that automatically          Yes
extracts tags from a piece of text. The tags are chosen based on both statistical and
linguistic analysis of the original text
TagHelper is text classification technology to address concerns specific to classifying       Yes
sentences using coding schemes developed for behavioral research. A wide range of
behavioral researchers including social scientists, psychologists, learning scientists, and
education researchers collect, code, and analyze large quantities of natural language
corpus data
The Tails Firefox Extension allows you to view microformats embedded on a web page,           Yes
and perform customizable actions on the microformats via Tails Scripts
Tails Export is a Firefox 1.5 extension for showing and exporting microformats                Yes
Tal4Rdf (T4R) is a template system for RDF that can produce HTML/XHTML (any XML              Yes
in fact). T4R is based on Zope‘s Template Attribute Language and is well suited to
produce HTML or any XML-based format or non-XML formats. Besides being available
as a software library, it can also be used through an HTTP-based service

The Talis Platform is an online environment for building next generation applications and    No
services based on Semantic Web technologies. It is a hosted system which provides an
efficient, robust storage infrastructure. Both arbitrary documents and RDF-based
semantic content are supported, with sophisticated query, indexing and search features.
While not open source, most components are built on open source and no cost access
may be provided to certain developers
The Talis Semantic Converter is for flexible input and output conversion of various Web     Online
formats to semantic Web ones. Input formats supported include Guess, RDF-HTML,
RDF/XML, RDF-JSON, Turtle, SPARQL/XML and Facet XML. Output formats include
HTML, PHP, JSON, JSONP, RDF/XML, RSS 1.0, Turtle, TRIX, Exhibit (HTML), Exhibit
JSON and Exhibit JSONP.
Telescope maps resources from RDF graphs to Python objects. Its design is heavily            Yes
influenced by SQLAlchemy. It has three main components: 1) a programmatic,
generative SPARQL query builder; 2) a configurable mapper for binding resources to
existing Python domain objects; and 3) a declarative syntax for creating mapped
Web application to manage controlled vocabularies, taxonomies and thesaurus. The             Yes
vocabularies may be exported in Zthes, Skos, TopicMap, etc.
TermExtractor extracts terminology consensually referred in a specific application           Yes
domain. The software takes as input a corpus of domain documents, parses the
documents, and extracts a list of ―syntactically plausible‖ terms (e.g. compounds,
adjective-nouns, etc.).
Terminator - a tool for creating term to ontology resource mappings (documentation in        Yes
Online and batch term extractor that emphasizes part of speech (POS) and n-gram             Don't
(phrase extraction). TerMine is the terminological management system with the C-Value       Know
term extraction and AcroMine acronym recognition integrated
Text2Onto is a framework for ontology learning from textual resources that extends and       Yes
re-engineers an earlier framework developed by the same group (TextToOnto).
Text2Onto offers three main features: it represents the learned knowledge at a metalevel
by instantiating the modelling primitives of a Probabilistic Ontology Model (POM), thus
remaining independent from a specific target language while allowing the translation of
the instantiated primitives into knowledge representation mechanisms such as RDFS,
OWL, and F-Logic
TextGarden is a suite of text-mining software tools to enable easy handling of text          Yes
documents for the purpose of data analysis including automatic model generation and
document classification, document clustering, document visualization, dealing with Web
documents, crawling the Web and many others.
TGVizTab is a plugin for Progégé which allows visualizing ontologies using the               Yes
TouchGraph library. TouchGraph provides an java library for rendering networks as
interactive graphs
Thea is a Prolog library for generating and manipulating OWL (Web Ontology                   Yes
Language) content. Thea OWL parser uses SWI-Prolog‘s Semantic Web library for
parsing RDF/XML serialisations of OWL documents into RDF triples and then it builds a
representation of the OWL ontology
Thea-VBA is a Visual Basic for Applications library for accessing, parsing, viewing and          Yes
manipulating Semantic Web content (RDF and OWL) from desktop applications that
support VBA, namely Microsoft Office applications, and more specifically MS Excel

Thema is an XML based data format (DTD) for thesauri, glossaries, lexicons, conceptual           Yes
maps etc. up to ontologies. It contains publishing tools to convert into HTML, RDF etc.
and to read different formats and is has a connection to the Semantic Web

ThManager is a tool for creating and visualizing SKOS RDF vocabularies. ThManager                Yes
facilitates the management of thesauri and other types of controlled vocabularies, such
as taxonomies or classification schemes.
ThoughtTreasure is a comprehensive platform for natural language processing and                  Yes
commonsense reasoning. It runs on PCs and Unix and includes 20,000 concepts
organized into a hierarchy, 50,000 English and French words and phrases, a syntactic
and semantic parser and an English and French generator. Application programs can
use ThoughtTreasure to obtain answers to questions easily answered by humans but
previously difficult for computers
TIES (Trainable Information Extraction System) is an Adaptive Information Extraction            Don't
(IE) system currently under development at ITC-irst within the Dot.Kom project. TIES is         Know
based on a Java reimplementation of the Boosted Wrapper Induction (BWI) algorithm
devised by Dayne Freitag and Nicholas Kushmerick
Timeline is a DHTML-based AJAXy widget for visualizing time-based events. It is like             Yes
Google Maps for time-based information
tOKo is an open source tool for text analysis and browsing a corpus of documents. It             Yes
implements a wide variety of text analysis and browsing functions in an interactive user
interface. An important application area of tOKo is ontology development. It supports
both ontology construction from a corpus, as well as relating the ontology back to a
corpus (for example by highlighting concepts from the ontology in a document).

The TONES Ontology Repository is primarily designed to be a central location for                Online
ontologies that might be of use to tools developers for testing purposes; it is part of the
TONES project.
Top Engine is a business rule engine that uses the Web Ontology Language (OWL DL)                Yes
as a modeling language for specifying the Domain Model of the Business Application.
Top Engine allows you to write rules on top of ontologies using a fusion between
Description Logic and Logic Programs formalisms.
Top Quandrant's TopBraid Composer is a complete standards-based platform for                    Yes/No
developing, testing and maintaining Semantic Web applications based on Eclipse There
is now a limited functionality free edition.
Master listing to about 30 topic map tools in authoring, editing, etc. A good starting           Yes
Topicalizer is a service which automatically analyses a document specified by a URL or          Online
a plain text regarding its word, phrase and text structure. It provides a variety of useful
information on a given text including the following: Word, sentence and paragraph count,
collocations, syllable structure, lexical density, keywords, readability and a short abstract
on what the given text is about.
Topincs is a topic map authoring software that allows groups to share their knowledge            Yes
over the web. It makes use of a variety of modern technologies. The most important are
Topic Maps, REST and Ajax. It consists of three components: the Wiki, the Editor, and
the Server. The servier requires AMP; the Editor and Wiki are based on browser plug-
Topodia is a faceted browser organized by user-defined topics. Local indexes are              Online
maintained via a browser plugin, with results sharable to others via server upload
TouchGraph is a set of interfaces for Graph Visualization using spring-layout and              Yes
focus+context techniques. Current applications include a utility for organizing links, a
visual Wiki Browser, and a Google Graph Browser which uses the Google API
Trailblazer is a semantic web browser via a Firefox extension that enriches the browser        Yes
functionality with semantics without altering the content of the retrieved web pages

TRAMP makes it trivial to read those confusing RDF/XML files:                                  Yes
Trang can generate a RelaxNG schema given some instance XML                                    Yes
The Penn Treebank Project annotates naturally-occuring text for linguistic structure. It       Yes
produces skeletal parses showing rough syntactic and semantic information -- a bank of
linguistic trees. It also annotates text with part-of-speech tags

Trellis is an interactive environment that allows users to add their observations,             Yes
viewpoints, and conclusions as they analyze information by making semantic annotations
to documents and other on-line resources
The Trainable Relation Extraction framework has been developed as a testbed for                Yes
experimenting with several extraction algorithms and scenarios. The framework aims to
be general enough to support a variety of entity extraction and relation extraction
algorithms from several input formats.
Trice is a semantic Web development framework that extends ARC2 with an MVC-like              Don't
layer, publishing tools, themes, and various other tools; not yet released, apparently        Know
aimed at CMS purposes among other uses
The Transparent RDF Inference Engine is an innovative graphical debugger for rules - it        Yes
works but is limited to RDF files without anonymous nodes and rules without functors or
built-ins. The project is created in Java, is build on top of Eclipse and utilizes the Jena
TriG is a plain text format for serializing Named Graphs and RDF Datasets. The TriG            Yes
syntax offers a compact and readable alternative to the XML-based TriX syntax

TRIPLE is an RDF query, inference, and transformation language for the Semantic Web            Yes

Triple20 is a visualisation and editing tool for data stored in the SWI-Prolog semweb          Yes
triple store. Triple20 has been designed not to limit the expressiveness of the triple data
model, to scale comfortably to several millions of triples and deal with triples associated
to multiple sources at the same time.
TripleSoup will be an RDF store, tooling to work with that database, and a REST web            Yes
interface to talk to that database using SPARQL, implemented as an Apache webserver
module; in development as a proposal to the Apache project
Triplify is a small plugin for Web applications, which reveals the semantic structures         Yes
encoded in relational databases by making database content available as RDF, JSON or
Linked Data
Triplipse is a visualization tool for the Resource Description Framework (RDF) within          Yes
Eclipse. It provides two views of the RDF Graph: one as a simple, sortable table of the
Statements, and one as a tree instead of the typical bubble-graph. Triplipse accepts
RDF+XML and Turtle formats, and is designed to be easily extended to provide more
formats in the future. The primary goal of Triplipse is to provide developers with an easy-
to-use visualization tool for a large RDF Document without having to scroll through
pages and pages of RDF text and without having to scroll through screens and screens
of hard to read and hard to connect images
Triplr is a service that generates RDF triples from URIs. This service helps convert           Yes
formats as need be and lets you access embedded RDF via GRDDL (such as
microformats when they have a transformation) without the need to pre-process it
Trippi is a Java library providing a consistent, thread-safe access point for updating and     Yes
querying a triplestore. It is similar in spirit to JDBC, but for RDF databases
TriQL is a query language for extracting information from Named Graphs; TriQL is based         Yes

TrueKnowledge combines natural language analysis, an internal knowledge base and              Online
external databases to offer immediate answers to various questions. Instead of just
pointing to web pages, it offers explicit answers and explains the reasoning behind them.
Users may add to the knowledge base through a simple sequence of steps, contradict or
correct existing knowledge. There is also a query language and API for access by
external services.
Online, query-based contextual term extraction service                                         Yes
Northrop Grumman's Tucana Suite is an industrial quality version of the Kowari                 No
Tulip is designed for the information visualization of graphs having more than 1,000,000       Yes
elements. Tulip draws and displays huge graphs, allows the navigation through
geometric operations as well as the extraction of subgraphs and the enhancement of the
results obtained by filtering. There are many graph options and plugins.

Terse RDF "Triple" language (Turtle) is an extension of the N-Triples test case format         Yes
carefully taking the most useful and appropriate things added from Notation 3 (N3) while
keeping the syntax describing only RDF graphs
Twine is an online service for organizing, sharing and discovering information. The           Online
system presently is in an invitation-only closed beta.
Twinkle is a simple Java interface that wraps the ARQ SPARQL Processor library (an             Yes
add-on to Jena). Twinkle therefore provides a simple GUI interface for working with the
SPARQL RDF query language.
Ubiquity is an experiment into connecting the Web with language in an attempt to find          Yes
new User Interfaces (semantic) that make it possible for everyone to do common Web
tasks more quickly and easily. It's a Firefox extension. Many of the contributed scripts
( are related to semantic Web or information extraction

The Ubiquity RDFa project provides a JavaScript RDFa parser that can be used either            Yes
on its own, or with other parts of the Ubiquity library. The library is embedded into an
HTML or XHTML document, and any RDFa is parsed and stored in a simple triple store.
The store can be queried with a subset of SPARQL, expressed in JSON syntax, called
A Ruby library for creating parsers that can be used to extract microcontent from              Yes
(X)HTML documents in a variety of microformats
A library for parsing various microformats under Ruby: hReview; hCard; hCalendar; rel-         Yes
tag; rel-license; include-pattern
This application can be used for debugging Linked Data sites as an alternative to the         Online
command line tool curl. This application allows you to dereference URIs and it visualizes
the HTTP response of the server. In contrast to curl, you may directly select each URI
that occurs in the response in order to initiate the dereferencing of the selected URI with
this application. Hence, using this tool you may avoid the cumbersome copying and
pasting of URIs on the command line as is necessary with curl.
URIBurner is a simple but power service that delivers RDF based structured descriptions       Online
of Web addressable resources (documents or real world objects) in a variety of formats,
including but not limited to RDF/XML, Turtle, N3. It supports hand-written or query-by-
example SPARQL querying over linked data
Uriqr is a search engine based on Sindice that looks up URIs from submitted RDF files;         Yes
it is presently provided as an online service
The Vague Query Responder makes associations between terms in a search query to                Yes
reveal the underlying information needs in the users' intent.
Vapour (VAlidation Process Of Uri Response) is a web-based validator tool to check the        Online
compliance of a web site against the recipes described in the Best Practices Recipes for
Publishing RDF Vocabularies (W3C Working Draft).
Versa is a query language designed for the specific purpose of extracting information          Yes
from an RDF graph in a very modular way. A Versa query facilitates the isolation of
resources, and their associated property values through specific patterns and constraints
as specified by a Versa expression (somewhat reminiscent of XPath expressions and
regular expressions)
Veudas is a web based RDF Editor/Manager. Its purpose is to enable quick authoring             Yes
and management of rdf information over the web.
VINE is a tool that allows users to perform fast mappings of terms across ontologies. It       Yes
performs smart searches, can search using regular expressions, requires a minimum
number of clicks to perform mappings, can be plugged into arbitrary mapping
framework, is non-intrusive with mappings stored in an external file, has export to text
files, and adds metadata to any mapping. See also

OpenLink's Virtuoso is an innovative universal server platform that delivers an enterprise-    Yes
level data integration and management solution for SQL, RDF, XML, Web services, and
business processes. For RDF, it supports SPARQL, helpful extensions such as update,
inference tables and RDFizers.
This site is a collection of about 30 RDFizers written in XSLT that convert leading Web        Yes
formats and API sites to RDF; source code is available for download from this site

 VisiNav is a system to search and navigate web data. The conceptual model consists of        Don't
objects (for example, a person). Objects can have attributes (a person has a name).           know
Objects can also have connections to other objects (a person knows other people).

VisioOWL is a Microsoft Visio application used to create graphical representations of          Yes
OWL ontologies
Visual Browser is a Java application that can visualise the data in RDF scheme. The            Yes
main principle of the visualisation is that the triple (resource, resource, resource) is
represented by two nodes connected by an edge and is represented by a hint (small
window appearing on mouse over the subject node). Visual Browser uses the Jena
framework to obtain the data. The visualisation engine is derived from TouchGraph
VisualKnowledge is an integrated development and execution platform for building               No
semantic sites, semantic wikis, semantic blogs and high performance knowledge-driven
applications. The products are fully W3C Standards compliant (OWL, RDF, etc).

The Visual Ontology Modeler (VOM) family of tools enables UML-based visual                     No
construction of component-based ontologies for use in collaborative applications and
interoperability solutions.
Maps are used to geographically illustrate knowledge from the Triplestore, such as             Yes
highlighting the locations in the UK that are active in a particular research area.
VisualKii is a multi-purpose visual programming platform based on Java. It has libraries     No
for processing RDF, N3 and N-TRIPLES models by visually defining data flow and
arranging processing steps
VisualText® is an integrated development environment for building information extraction     No
systems, natural language processing systems, and text analyzers
VIVID (Visual Variable-Depth Info Display) is a browser-based viewing and publishing of      Yes
complex OWL and RDF network structures cast into a densely-packed presentation
format. Viewers can dynamically change the presentation by use of pivoting and an
interactive filtering mechanism.
The Vizigator is a graph visualization tool centered on Topic Maps, though it enables the    No
loading and navigation of any conforming topic map in XTM, HyTM, LTM or RDF
formats. There is a free evaluation version. It is part of the OKS Suite along with the
voc2rdf is a Web-based tool for converting flat-file controlled vocabulary documents        Online
containing tabular data into RDF/XML documents that use classes and terms. The tool
allows users to provide a delimited file, a basic set of metadata, and produce a
RDF/XML document that can be imported into the MMI Ontology Registry and
Repository (ORR) and/or downloaded for use on a local computer.
The Visual Understanding Environment (VUE) is an information management application          Yes
that provides an interactive, concept mapping interface to digital files
Semantic blogging software; w.bloggar is an application that acts as an interface            Yes
between the user and one or more blog(s); in other words, it is a Post and Template
editor, with several features and resources that the browser based blog editors do not
W3C‘s RDF online validator service; it also has an API for more frequent access              Yes
Watson is a gateway for the Semantic Web. It plays three main roles: 1- it collects the      Yes
available semantic content on the Web, 2- analyzes it to extract useful metadata and
indexes, and 3- implements efficient query facilities to access the data. (Still in pre-
Web Clipboard uses a small embedded JavaScript file and markup to enable structured          Yes
data to be extraced from the HTML with callback functions.
IBM Web Ontology Manager is a lightweight, Web-based tool for managing ontologies            Yes
expressed in Web Ontology Language (OWL)
Web2x Publishing is an easy-to-use semantic publishing tool for sharing data on the web      Yes
including the emerging semantic web layer (i.e. Web2). It is based on the popular
WordPress blogging software. Using Web2x Publishing, users can publish experiment
data and web site contents in both semantic format (e.g. RDF) and HTML format at the
same time.
WebCAT is an extensible tool to extract meta-data and generate RDF descriptions from         Yes
existing Web documents. Implemented in Java, it provides a set of APIs (Application
Programming Interfaces) that allow one to analyse text documents from the Web without
having to write complicated parsers
webExtractor is a Java application that is used for extracting specific content from web     Yes
based HTML, XML, CSV, and free form text. The extracted data can be used for data
gathering and mining purposes; not updated since 2003-2004
General Java Web scraping library. Web-Harvest can be used both from the command             Yes
line as executable jar file or from the Java code
WebOnto supports the browsing, creation and editing of ontologies through coarse             Yes
grained and fine grained visualizations and direct manipulation.
WebScripter is a tool that enables ordinary users to easily and quickly assemble reports     Yes
extracting and fusing information from multiple, heterogeneous DAMLized Web sources
WEESA (Web Engineering for Semantic Web Applications) is a technique to extend                  Yes
existing Web engineering methodologies to develop semantically annotated Web pages.
The novelty of this approach is the definition of a mapping from XML Schema to
ontologies that can be used to automatically generate RDF meta-data from XML content
Weka is a collection of machine learning algorithms for data mining tasks. The                  Yes
algorithms can either be applied directly to a dataset or called from your own Java code.
Weka contains tools for data pre-processing, classification, regression, clustering,
association rules, and visualization
Welkin is a graph-based RDF visualizer. Above 1000 nodes, real-time drawing                     Yes
performance degrades dramatically even on beefy machines
Weso is a set of semantic web tools developed as part of a Declarative Programming              Yes
course at the University of Oviedo; it is written in Haskell
WGFA (Web Gateway for Fact Assessment) is a web application to create and manage                Yes
W3C-OWL based ontologies, index websites, extract XML-RDF or Dublin-Core
metadata and provide search and query operations on the websites based on the
created semantic webs
WHIRL (Word-based Information Representation Language) is a representation system               Yes
that combines some of the properties of relational databases, and some of the properties
of statistical ranked-retrieval systems.
Wikify! is a system to automatically "wikify" a text by adding Wikipedia-like tags             Online
throughout the document. The system extracts keywords and then disambiguates and
matches them to their corresponding Wikipedia definition.
WikiProfessional is based on MediaWiki and provides a professional access point to             Don't
structured data for scientists and professionals. The first version is dedicated to proteins   Know

WikSAR is a Semantic Wiki prototype written in Perl and available as an online demo             Yes
only; the system is apparently not undergoing further development
Wilbur is Lisp based toolkit for Semantic Web Programming. Wilbur is Nokia Research             Yes
Center‘s toolkit for programming Semantic Web applications that use RDF written in
Common Lisp
The IBM Web Ontology Manager (WOM) is a lightweight, J2EE Web-based system for                  Yes
managing Web Ontology Language (OWL) ontologies. It enables developers to browse
or search the ontologies registered with the system by class or property names. In
addition, they can submit a new ontology file
Wraf (Web resource application framework) implements a RDF API that hopes to realize            Yes
the Semantic Web. The framework uses RDF for data, user interface, modules and
object methods. It uses interfaces to other sources in order to integrate all data in one
enviroment, regardless of storage (LARGELY INACTIVE)
WSWDL2OWL-S is a translator from Web Services Description Language (WSDL)                       Yes
format to OWL-S, the OWL upper level ontology for Web services
A semantic Web service editor compliant with WSMO as a set of Eclipse plug-ins                  Yes
The Web Service Modeling Toolkit (WSMT) is a collection of tools for use with the Web           Yes
Service Modeling Ontology (WSMO), the Web Service Modeling Language (WSML) and
the Web Service Execution Environment (WSMX)
The Web Services Execution Environment (WSMX) is an execution environment for                   Yes
Semantic Web Services. NOTE: The front end for WSMX, namely the WSMT is now
available from
The Mechanize Ruby library is used for automating interaction with websites. Mechanize          Yes
automatically stores and sends cookies, follows redirects, can follow links, and submit
forms. Form fields can be populated and submitted. Mechanize also keeps track of the
sites that you have visited as a history
(Semantic) web data querying and visual support to querying. Xcerpt is a deductive, rule-     Yes
based query language for graph-structured data. It is capable of querying various
sources including XML, RDF (via XML), and its own term syntax
XLWrap is a spreadsheet-to-RDF wrapper which is capable of transforming                       Yes
spreadsheets to arbitrary RDF graphs based on a mapping specification. It supports
Microsoft Excel and OpenDocument spreadsheets such as comma- (and tab-)
separated value (CSV) files and it can load local files or download remote files via HTTP.
The bundled XLWrap-Server provides a public SPARQL endpoint
XML2OWL is an ANTLR-based program written in C++ for automatic conversion of an               Yes
Extensible Markup Language (XML) file to a Web Ontology Language (OWL) file. The
mapping rules are defined in a text file with a .rules extension. Note that the OWL file
created during the conversion process contains only instance data (i.e., OWL individuals
and their properties); the converter presumes the existence of an OWL ontology that
specifies the classes and properties instantiated in the OWL file

Up to now, most ontologies are created manually, which is very time-expensive. The            Yes
goal is it, to produce ontologies automatically via XSLT, which fit as good as possible to
a given XML-file resp. XML-Schema-file
XML2RDF maps XML instance data to RDF. It is part of the ReDeFer project that                 Yes
employs a ―XML Semantic Reuse Methodology‖ that combines an XML Schema to OWL
web ontology mapping, called XSD2OWL, with XML2RDF. The ontologies generated by
XSD2OWL are used during the XML to RDF step in order to generate RDF data
enriched by the XML Schema semantics made explicit.
A labeling technology from Adobe that enables data about a file to be embedded as             Yes
metadata into the file itself.
xOperator combines advantages of social network websites with instant messaging. It is        Yes
a semantic agent for xmpp / jabber network which finds and shares content about
resources (using RDF/SPARQL). xOperator communicates via XMPP (the Jabber
protocol) with the end user and with other xOperators. By logging into the account of the
end user, xOperator is able to add itself to his roster (buddy list) and check if the
contacts of the users also run xOperator or a compatible client.

XSPARQL provides smooth transformations between XML and RDF. It is a language                Online
that merges XQuery and SPARQL. To learn more, see
XSD2OWL maps XML Schemas to OWL web ontologies. It is part of the ReDeFer                     Yes
project that employs a ―XML Semantic Reuse Methodology‖ that combines XSD2OWL
with a mapping from XML instance data to RDF, XML2RDF. The ontologies generated
by XSD2OWL are used during the XML to RDF step in order to generate RDF data
enriched by the XML Schema semantics made explicit.
XWRAP Elite is an XML-enabling software tool that can automatically generate wrapper
programs for Web information sources. The toolkit includes three components: Object
and Element Extraction, Filter Interface Extraction, Code Generation.
API to Yahoo's term extraction service, as well as many other APIs and services in a          Yes
variety of languages and for a variety of tasks; good general resource
YARS (Yet Another RDF Store) is a data store for RDF in Java and allows for querying          Yes
RDF based on a declarative query language, which offers a somewhat higher abstraction
layer than the APIs of RDF toolkits such as Jena or Redland
Ylvi is a semantic wikiExternal Link based on the METISExternal Link platform. Ylvi           Yes
extends other semantic wiki approaches by three main aspects: its high configurability,
strong multimedia support, and adaptive semantic search.
Zebra is a high-performance, general-purpose structured text indexing and retrieval            Yes
engine. It reads structured records in a variety of input formats (eg. email, XML, MARC)
and allows access to them through exact boolean search expressions and relevance-
ranked free-text queries.
Zemanta makes suggestions to authors about links and pictures to embed in blog posts           Yes
based on semantic analysis. It works in the Firefox browser and supports WordPress,
Blogger and Typepad blogging platforms. Currently in alpha.
Zeus provides a graphical environment to build distributed agent systems. A rule engine,       Yes
planner and visualisation tools are included. The released version contains some
extensions for the DAML semantic web project and Web Services integration features

The Zitgist RDF browser is an online service for querying multiple RDF datasets with a         Yes
variety of views and faceted type restriction selections. The front-end on the server is in
PHP with the backend powered by OpenLink's Virtuoso server
zLinks, from Zitgist, is a WordPress plug-in that shows blog readers existing related data     Yes
and interlinked URIs for a given URL and, in some case, to enable them to perform
actions based on this data. Icons denote the type of action, which may also occur via
the Zitgist RDF Browser.
Online tag extraction engine                                                                   Yes
ZoomInfo provides structured people or company search using a unique summarization            Yes/No
search engine that finds, understands and saves useful information. It is an online
service and a purchasee enterprise service
Firefox 2.0 extension that allows the auto-completion of online citations, export of           Yes
citations in various styles, and general information extraction and collaboration
ZTM aims to enable distributed development and maintenance of 'topic map'-driven               Yes
'semantic' web sites by handling data model information items derived from the ISO
13250 Topic Map Data Model as managed content using the Zope CMF
&category                        &language &status &firstPosted       &updateDate
Browser (RDF, OWL or semantic)   Prolog     Existing 2007-06-19

Database/Datastore               C / C++      Existing   2006-08-12    2007-03-11

IDE/Programming Environment      Python       Existing   2006-08-12    2007-03-11

Information Extraction           C / C++      Existing   2007-03-11

IDE/Programming Environment      Ruby         Existing   2007-01-04    2007-03-11

IDE/Programming Environment      Ruby         Existing   2006-08-12    2007-03-11

Mashup/Meshup Framework          JavaScript   Existing   2009-01-31

User Interfaces (semantic)       Java         Existing   2007-06-19

Ontology/Vocabulary Editor       Java         Existing   2006-09-22    2007-03-11

Database/Datastore               Java         Existing   2006-08-12    2007-03-11

Information Extraction           Java         Existing   2006-09-22    2007-03-11

Browser (RDF, OWL or semantic)   Java          New       2009-10-19

Information Extraction           Java         Existing   2007-11-18

RDF (general)                    JavaScript   Existing   2007-03-11

Semantic Models & Modeling       Other        Existing   2006-09-22    2007-01-22

APIs and Middleware              Java         Existing   2006-09-22    2007-03-11
Annotator                    Java         Existing    2007-11-18

NLP/Language Processor       Tcl/Tk       Existing    2006-09-22   2007-03-11

Query Language or Service    Definition /  Existing   2007-09-17

Composite App/Framework      Java           New       2009-10-19

Database/Datastore           Java         Existing    2006-08-12   2007-01-22

Ontology (general)           Java         Existing    2006-09-22   2007-03-11

Ontology/Vocabulary Editor   Java         Existing    2006-08-12   2007-03-11

Search Engine                Perl         Existing    2007-01-04   2007-03-11

NLP/Language Processor       Java         Existing    2006-10-04   2007-01-22

Information Extraction       Java         Existing    2006-09-22   2007-01-22

Composite App/Framework      Java         Existing    2006-10-04   2007-03-11

Visualization                C / C++      Existing    2006-10-04   2007-01-22

Information Extraction       Java         Existing    2006-09-22   2007-01-22

Annotator                    Multiple     Existing    2007-01-04   2007-03-11

Annotator                    JavaScript   Existing    2007-01-09   2007-03-11
Wrapper (Web data extractor)     Don't Know   Existing    2007-03-11

NLP/Language Processor           Java         Existing    2007-01-04   2007-03-11

RDF Generator                    Java         Existing    2009-01-31

Composite App/Framework          Java         Existing    2007-11-18

Harvester                        Java         Existing    2006-09-22   2007-03-11

Mashup/Meshup Framework          PHP          Existing    2007-06-19

Annotator                        Java         Existing    2007-11-18

Description or Formal Logics     Definition /  Existing   2006-09-22   2007-01-22

Browser (RDF, OWL or semantic)   Don't Know   Existing    2007-06-19

NLP/Language Processor           Java         Existing    2007-01-22   2007-03-11

RDF (general)                    PHP          Existing    2006-08-12   2008-03-23

Information Extraction           Ruby         Existing    2007-01-04   2007-03-11

Information Extraction           Java         Existing    2006-09-22   2007-03-11

Parser or Converter              Java         Existing    2007-02-06   2007-03-11

SPARQL                           Java         Existing    2007-03-11
Information Extraction           Java         Existing   2006-09-22   2007-01-22

Wikis and -related               C#           Existing   2007-03-11

Composite App/Framework          Java         Existing   2007-11-18

IDE/Programming Environment      Other        Existing   2006-10-04   2007-01-22

Ontology Mapper/Mediator         Java         Existing   2007-11-18

NLP/Language Processor           Java         Existing   2006-10-04   2007-03-11

Browser (RDF, OWL or semantic)   Java         Existing   2008-03-23

Semantic Models & Modeling       Other        Existing   2006-09-22   2007-01-22

IDE/Programming Environment      Java         Existing   2006-10-04   2007-01-22

Search Engine                    Don't Know   Existing   2007-11-18

Parser or Converter              Java         Existing   2007-01-22   2007-03-11

Parser or Converter              Java         Existing   2007-03-11

Inference Engine                 Java         Existing   2009-01-31

Search Engine                    Java         Existing   2006-10-04   2007-11-18

Annotator                        Don't Know   Existing   2007-06-19
Annotator                        Java         Existing   2006-09-22   2007-03-11

Browser (RDF, OWL or semantic)   Java         Existing   2007-01-22   2007-03-11
Browser (RDF, OWL or semantic)   Ruby         Existing   2008-03-23

Search Engine                    Don't Know   Existing   2007-11-18

Browser (RDF, OWL or semantic)   JavaScript   Existing   2007-01-09   2007-01-22

Parser or Converter              Java          New       2009-10-19

Database/Datastore               Java         Existing   2007-01-04   2007-03-11

Visualization                    C / C++      Existing   2007-09-17

Inference Engine                 Java         Existing   2007-02-06   2007-03-11

Inference Engine                 Java         Existing   2006-09-22   2007-03-11

Database/Datastore               C / C++      Existing   2006-08-12   2007-03-11

Composite App/Framework          Other        Existing   2007-03-11

Browser (RDF, OWL or semantic)   Java         Existing   2006-10-04   2007-03-11

Browser (RDF, OWL or semantic)   Ruby         Existing   2007-06-19

Search Engine                    Java         Existing   2007-01-22

Utilities (SemWeb)               Java         Existing   2006-09-22   2007-03-11
Annotator                      Java          New       2009-10-19

Information Extraction         Java         Existing   2008-03-23

Annotator                      Java         Existing   2006-09-22   2007-01-22

APIs and Middleware            Perl         Existing   2006-10-04   2007-03-11

RDF (general)                  C#           Existing   2007-06-19   2007-11-18

NLP/Language Processor         Java         Existing   2007-01-09   2007-03-11

IDE/Programming Environment    C / C++      Existing   2006-09-22   2007-01-22

Web Services (semantic)        Haskell      Existing   2007-01-22

Web Services (semantic)        Haskell      Existing   2006-10-04   2007-01-22

Wrapper (Web data extractor)   Perl         Existing   2006-10-04   2007-03-11

Composite App/Framework        Don't Know   Existing   2006-08-12   2007-01-22

Wrapper (Web data extractor)   Java          New       2009-10-19

Wrapper (Web data extractor)   JavaScript   Existing   2007-01-09   2007-03-11

Ontology Mapper/Mediator       JavaScript   Existing   2007-06-19

Ontology (general)             Java         Existing   2006-09-22   2007-03-11
NLP/Language Processor           Java           New       2009-10-19

Composite App/Framework          Prolog       Existing    2009-01-31

Annotator                        JavaScript   Existing    2007-01-09   2007-01-22

Utilities (SemWeb)               JavaScript   Existing    2007-01-09   2007-01-22

Ontology Mapper/Mediator         Java         Existing    2007-02-06   2007-03-11

Data Language                    Definition /  Existing   2006-09-22   2007-03-11

Ontology/Vocabulary Editor       Java         Existing    2007-09-17   2007-09-17

Search Engine                    C / C++      Existing    2008-03-23

Annotator                        Java         Existing    2006-09-22   2007-01-22

Browser (RDF, OWL or semantic)   JavaScript   Existing    2007-02-06   2007-03-11

Ontology Mapper/Mediator         Java         Existing    2007-11-18

Collaboration Systems            Java         Existing    2006-09-22   2007-03-11

Ontology Mapper/Mediator         Java         Existing    2006-09-22   2007-03-11

Ontology Mapper/Mediator         Lisp         Existing    2006-09-22   2007-03-11
Composite App/Framework          PHP           New       2009-10-19

Validator                        Java         Existing   2007-01-04   2007-01-22

Parser or Converter              Other        Existing   2007-03-11

Parser or Converter              Other        Existing   2007-01-09   2007-01-22

Search Engine                    Java         Existing   2007-11-18

Ontology/Vocabulary Editor       Java         Existing   2007-09-17

Information Extraction           Java         Existing   2007-01-22

Composite App/Framework          Java         Existing   2006-08-12   2007-03-11

Information Extraction           Don't Know   Existing   2008-03-23

Wikis and -related               Java         Existing   2007-03-11

Wrapper (Web data extractor)     JavaScript   Existing   2007-03-11

Browser (RDF, OWL or semantic)   Multiple     Existing   2006-09-22   2007-01-22
Composite App/Framework        Python        New       2009-10-19

Utilities (SemWeb)             C / C++      Existing   2007-02-06   2007-03-11

Parser or Converter            XSLT         Existing   2007-11-18

Data Language                  Python       Existing   2006-08-12   2007-03-11

NLP/Language Processor         Java         Existing   2006-09-22   2007-01-22

Visualization                  Java         Existing   2008-03-23

Database/Datastore             Java         Existing   2007-01-09   2007-03-11

IDE/Programming Environment    Java         Existing   2006-10-04   2007-03-11

Database/Datastore             Java         Existing   2006-08-12   2007-03-11

Annotator                      Multiple     Existing   2006-09-22   2007-03-11

Annotator                      Don't Know    New       2009-10-19

Wrapper (Web data extractor)   PHP          Existing   2007-03-11
Query Language or Service        Java          New       2009-10-19

RDFizer                          Java         Existing   2007-02-06   2007-03-11

Utilities (SemWeb)               Other        Existing   2007-03-11

Mashup/Meshup Framework          JavaScript   Existing   2007-03-11

Annotator                        Java         Existing   2006-10-04   2007-03-11

Browser (RDF, OWL or semantic)   Java          New       2009-10-19

Harvester                        Java         Existing   2006-09-22   2007-01-22

Semantic Desktop                 Java         Existing   2007-11-18

Wikis and -related               PHP          Existing   2007-09-17

Parser or Converter              Other        Existing   2007-02-06   2007-03-11

Inference Engine                 Other        Existing   2009-01-31

Annotator                        Other        Existing   2006-10-04   2007-01-22

Wikis and -related               Python       Existing   2007-03-11

Browser (RDF, OWL or semantic)   JavaScript   Existing   2007-01-22   2007-03-11

RDF Generator                    Python       Existing   2009-01-31
Inference Engine           Java         Existing   2008-03-23

Inference Engine           C / C++      Existing   2007-01-04   2007-03-11

Search Engine              Python       Existing   2007-11-18

Ontology (general)         Java         Existing   2009-01-31

Database/Datastore         JavaScript   Existing   2007-03-11

Information Extraction     Python       Existing   2007-03-11

Ontology (general)         Java         Existing   2006-08-12   2007-03-23

Annotator                  Java         Existing   2006-09-22   2007-03-11

Ontology Mapper/Mediator   Java         Existing   2007-11-18

Parser or Converter        C#           Existing   2006-08-12   2007-03-11
Database/Datastore         Java         Existing   2007-03-11

Information Extraction     JavaScript   Existing   2007-01-09   2007-03-11

Visualization              Java         Existing   2007-02-06   2007-03-11

RDF                        PHP           New       2009-10-19

Annotator                  JavaScript   Existing   2007-11-18
Composite App/Framework          Python       Existing   2007-03-11

Collaboration Systems            Java         Existing   2006-09-22   2007-03-11

Information Extraction           Python       Existing   2007-06-19

NLP/Language Processor           C / C++      Existing   2006-09-22   2007-03-11

Ontology (general)               Java         Existing   2007-02-06   2007-06-19

Composite App/Framework          C / C++      Existing   2006-09-22   2007-03-11

Information Extraction           Java         Existing   2006-09-22   2007-01-22

Annotator                        Perl         Existing   2006-09-22   2007-03-11

Information Extraction           C#           Existing   2007-01-22

Inference Engine                 Multiple     Existing   2006-08-12   2007-03-11

Inference Engine                 JavaScript   Existing   2007-03-11

Inference Engine                 C#           Existing   2007-03-11

Data Presentation                JavaScript   Existing   2007-01-22   2007-03-11

Browser (RDF, OWL or semantic)   Java          New       2009-10-19

Ontology (general)               Java         Existing   2006-10-04   2007-01-22

Information Extraction           JavaScript   Existing   2007-01-09   2007-03-11

Ontology (general)               Prolog       Existing   2006-09-22   2007-01-22
Validator                        Java         Existing   2007-03-11

Data Language                    Other        Existing   2007-03-11

Inference Engine                 C / C++      Existing   2006-08-12   2009-01-31
Ontology Mapper/Mediator   Java         Existing   2007-11-18

Search Engine              Java         Existing   2007-11-18

Parser or Converter        Don't Know   Existing   2006-09-22   2007-01-22

Annotator                  Don't Know   Existing   2008-07-05

Composite App/Framework    Java         Existing   2007-11-18

RDF Generator              PHP           New       2009-10-19

Semantic Desktop           Java         Existing   2007-03-11

Search Engine              Ruby         Existing   2007-01-04   2007-03-11

RDF (general)              Java         Existing   2007-09-17

Utilities (SemWeb)         Perl          New       2009-10-19

Search Engine              Python       Existing   2007-06-19

Composite App/Framework    Ruby         Existing   2007-02-06

RDF (general)              Don't Know   Existing   2007-09-17

RDF (general)              C / C++      Existing   2007-09-17
Ontology (general)             Prolog       Existing    2006-09-22   2007-01-22

Web Services (semantic)        Java         Existing    2006-09-22   2007-01-22

Description or Formal Logics   Multiple     Existing    2007-09-17

Inference Engine               C / C++      Existing    2007-09-17

Utilities (SemWeb)             JavaScript   Existing    2007-06-19

RDF Generator                  JavaScript   Existing    2006-09-22   2007-01-22

Ontology Mapper/Mediator       Java         Existing    2006-09-22   2007-03-11

Inference Engine               Prolog       Existing    2007-02-06   2007-03-11

Ontology (general)             Don't Know   Existing    2006-09-22   2007-01-22

Database/Datastore             Don't Know   Existing    2007-06-19

NLP/Language Processor         C / C++      Existing    2006-09-22   2007-03-11

Data Presentation              Definition /  Existing   2007-01-22

Information Extraction         JavaScript   Existing    2008-07-05

Parser or Converter            Python         New       2009-10-19

Parser or Converter            Java         Existing    2007-01-22   2007-03-11

Composite App/Framework        Java         Existing    2006-09-22   2007-03-11
Information Extraction    Don't Know    New       2009-10-19

Information Extraction    JavaScript   Existing   2007-01-09   2007-03-11

RDF (general)             JavaScript   Existing   2007-03-11

Parser or Converter       Java         Existing   2008-03-23

Composite App/Framework   Java         Existing   2007-11-18

Mashup/Meshup Framework   Java         Existing   2007-11-18

RDF (general)             Java         Existing   2007-06-19

Information Extraction    Multiple     Existing   2007-01-09   2007-01-22

Semantic Desktop          Java         Existing   2006-09-22   2007-03-11

Knowledge Base/Service    Python       Existing   2006-10-04   2007-03-11

Annotator                 Don't Know    New       2009-10-19

Information Extraction    Don't Know    New       2009-10-19

Visualization             Java         Existing   2006-10-04   2007-03-11

Information Extraction    JavaScript   Existing   2007-01-09   2007-03-11

RDF (general)             C#           Existing   2008-03-23

Search Engine             Java         Existing   2007-11-18
Visualization                    Java       Existing   2006-10-04   2007-03-11

Annotator                        Java       Existing   2008-03-23

Browser (RDF, OWL or semantic)   Java       Existing   2006-09-22   2007-03-11

Browser (RDF, OWL or semantic)   Java        New       2009-10-19

RDF Generator                    Java       Existing   2007-06-19

NLP/Language Processor           Multiple   Existing   2006-10-04   2007-03-11

Database/Datastore               Java       Existing   2006-09-22   2007-03-11
Semantic Desktop                 Java       Existing   2006-10-04   2007-03-11
Database/Datastore               Java       Existing   2007-11-18

Microformats                     PHP        Existing   2007-01-09   2007-01-22

NLP/Language Processor           C / C++    Existing   2006-09-22   2007-03-11

Description or Formal Logics     Java       Existing   2006-09-22   2007-03-11

Inference Engine                 Java       Existing   2007-11-18

Ontology Mapper/Mediator         Java       Existing   2006-10-04   2007-01-22

Inference Engine                 Java       Existing   2009-01-31
Ontology/Vocabulary Editor       Java         Existing   2007-06-19

Parser or Converter              Ruby         Existing   2007-01-04   2007-03-11

Wrapper (Web data extractor)     JavaScript   Existing   2007-03-11

Utilities (SemWeb)               Ruby          New       2009-10-19

RDF Editor                       Java         Existing   2007-09-17

Annotator                        JavaScript   Existing   2007-01-09   2007-03-11

Ontology (general)               Java         Existing   2007-02-06   2007-03-11

Composite App/Framework          Ruby         Existing   2007-01-04   2007-03-11
Browser (RDF, OWL or semantic)   JavaScript   Existing   2007-01-09   2007-03-11

Annotator                        Java         Existing   2006-10-04   2007-11-18

Composite App/Framework          Java         Existing   2006-10-04   2007-03-11

Information Extraction           Java         Existing   2006-09-22   2007-03-11
Ontology Mapper/Mediator         Prolog       Existing   2006-09-22   2007-01-22

Wikis and -related               Java         Existing   2006-10-04   2007-03-11

Browser (RDF, OWL or semantic)   Don't Know    New       2009-10-19

Information Extraction           Prolog       Existing   2006-09-22   2007-03-11
Annotator                     Don't Know   Existing    2008-03-23

Machine Learning              Java           New       2009-10-19

Composite App/Framework       Don't Know   Existing    2008-03-23

Query Language or Service     Java         Updated     2007-09-17   2009-10-19

Ontology (general)            Java         Existing    2006-08-12   2007-03-11

Data Language                 Multiple       New       2009-10-19

Inference Engine              Java         Existing    2006-09-22   2007-03-11

Visualization                 Java         Existing    2006-08-12   2007-03-11

SPARQL                        Definition /  Existing   2007-11-18

Agents/Agent Systems          Java         Existing    2006-09-22   2007-03-11

Utilities (SemWeb)            Multiple     Existing    2007-01-04   2007-03-11

Visualization                 Java         Existing    2006-09-22   2007-01-22

IDE/Programming Environment   Java         Existing    2006-09-22   2007-03-11
Parser or Converter           JavaScript   Existing    2006-08-12   2007-03-11
Composite App/Framework       Java         Existing    2006-08-12   2007-03-11
Parser or Converter              Java         Existing   2007-02-06   2007-03-11

Parser or Converter              Java         Existing   2007-02-06   2007-03-11

Browser (RDF, OWL or semantic)   Java         Existing   2007-01-04   2007-01-22

Rule-based Processing            Java         Existing   2007-01-04   2007-01-22

APIs and Middleware              Java         Existing   2006-10-04   2007-01-22

Information Extraction           Java         Existing   2007-01-22   2007-03-11

Data Presentation                Java         Existing   2008-03-23

Parser or Converter              JavaScript   Existing   2006-08-12   2007-03-11
Information Extraction           Java         Existing   2007-01-22   2007-03-11

Browser (RDF, OWL or semantic)   Java         Existing   2008-03-23

Database/Datastore               Java         Existing   2006-08-12   2007-03-11

Browser (RDF, OWL or semantic)   JavaScript   Updated    2009-01-31   2009-10-19

Chat-related                     Java         Existing   2007-11-18

IDE/Programming Environment      Java         Existing   2006-09-22   2007-03-11

Parser or Converter              Java         Existing   2007-01-09   2007-03-11

Parser or Converter              Java         Existing   2007-02-06   2007-03-11
Ontology (general)            Java         Existing   2006-09-22   2007-03-11

Inference Engine              Java         Existing   2006-08-12   2007-03-11

Wikis and -related            Java         Existing   2007-03-11

IDE/Programming Environment   Java         Existing   2006-09-22   2007-03-11

NLP/Language Processor        Java         Existing   2007-06-19

Wikis and -related            Python       Existing   2007-03-11

Composite App/Framework       Java         Existing   2006-09-22   2007-03-11

Wikis and -related            PHP          Existing   2007-09-17

Utilities (SemWeb)            PHP          Existing   2009-01-31

Knowledge Base/Service        Prolog       Existing   2006-09-22   2007-03-11

Wikis and -related            Java         Existing   2009-01-31

Database/Datastore            Java         Existing   2006-08-12   2007-03-11

Collaboration Systems         Prolog       Existing   2006-09-22   2007-01-22

Annotator                     Python       Existing   2006-10-04   2007-03-11

Information Extraction        XSLT         Existing   2008-07-05

NLP/Language Processor        JavaScript   Existing   2007-01-09   2007-03-11
Search Engine                Java      Existing   2007-02-06   2007-03-11

RDF (general)                PHP       Existing   2007-09-17

NLP/Language Processor       C / C++   Existing   2007-03-11

Data Presentation            Java      Updated    2007-11-18   2009-10-19

Ontology/Vocabulary Editor   Java       New       2009-10-19

Ontology (general)           Prolog    Existing   2007-03-11

Parser or Converter          C / C++   Existing   2008-07-05

Ontology Mapper/Mediator     Java      Existing   2007-11-18

Information Extraction       Java      Existing   2006-09-22   2007-03-11

NLP/Language Processor       Java      Existing   2006-09-22   2007-03-11

Ontology (general)           Java      Existing   2006-08-12   2007-01-22
Query Language or Service        C#           Existing   2007-11-18

Copy-and-Paste                   JavaScript   Existing   2007-03-11

Browser (RDF, OWL or semantic)   Prolog        New       2009-10-19

RDF (general)                    PHP          Existing   2009-01-31

Browser (RDF, OWL or semantic)   Java         Existing   2006-10-04   2007-03-11

Inference Engine                 Lisp         Existing   2007-03-11

Annotator                        PHP           New       2009-10-19

Database/Datastore               Python        New       2009-10-19

Ontology (general)               Lisp         Existing   2007-06-19

Search Engine                    Java         Existing   2006-09-22   2007-03-11

Composite App/Framework          Java         Existing   2007-11-18

Search Engine                    Java         Existing   2006-09-22   2007-03-11

Ontology (general)               Java         Existing   2007-01-04   2007-01-22

NLP/Language Processor           Java         Existing   2006-10-04   2007-03-11
Ontology Mapper/Mediator         Java         Existing   2006-10-04   2007-03-11

Browser (RDF, OWL or semantic)   C / C++      Existing   2006-09-22   2007-03-11

Wikis and -related               Java         Existing   2007-03-11

NLP/Language Processor           Java         Existing   2007-03-11

Visualization                    Java         Existing   2007-11-18

Browser (RDF, OWL or semantic)   Java          New       2009-10-19

Wrapper (Web data extractor)     JavaScript   Existing   2007-03-11

Ontology Mapper/Mediator         Java         Existing   2007-11-18

Visualization                    Java         Existing   2006-10-04   2007-03-11

Annotator                        Java         Existing   2006-09-22   2007-03-11

Semantic Desktop                 Java         Existing   2006-10-04   2007-03-11

Inference Engine                 Python       Existing   2007-03-11

Composite App/Framework          Java         Existing   2006-09-22   2007-01-22
RDF Generator                    PHP           New       2009-10-19

Composite App/Framework          Java         Existing   2006-09-22   2007-03-11
Annotator                        Java         Existing   2006-09-22   2007-03-11
NLP/Language Processor           Java         Existing   2007-03-11

Information Extraction           C#           Existing   2007-03-11

Annotator                        Java         Existing   2006-09-22   2007-03-11

Utilities (SemWeb)               JavaScript   Existing   2008-07-05

Ontology/Vocabulary Editor       Other        Existing   2006-09-22   2007-08-19

Ontology (general)               Python       Existing   2007-11-18

RDF Editor                       C / C++      Existing   2006-10-04   2007-11-18

Browser (RDF, OWL or semantic)   JavaScript   Existing   2007-06-19

Database/Datastore               Java         Existing   2006-09-22   2007-03-11

Listing (of items)               Multiple     Existing   2007-11-18

Knowledge Base/Service           Prolog       Existing   2006-09-22   2007-03-11

Ontology Mapper/Mediator         Don't Know   Existing   2008-03-23

Utilities (SemWeb)               Java         Existing   2006-09-22   2007-03-11

Data Language                    Java         Existing   2007-09-17
Browser (RDF, OWL or semantic)   PHP          Existing   2009-01-31

Composite App/Framework          Java          New       2009-10-19

Information Extraction           Multiple     Existing   2006-09-22   2007-03-11
Parser or Converter              Java         Existing   2007-01-09   2007-03-11

NLP/Language Processor           Python       Existing   2007-11-18

Information Extraction           Java         Existing   2006-09-22   2007-03-11

Knowledge Base/Service           JavaScript   Existing   2006-09-22   2007-03-11

Agents/Agent Systems             Java         Existing   2006-10-04   2007-03-11
Browser (RDF, OWL or semantic)   JavaScript   Existing   2007-03-11

Ontology/Vocabulary Editor       Java          New       2009-10-19

Browser (RDF, OWL or semantic)   Java         Existing   2007-02-06

Browser (RDF, OWL or semantic)   Java         Existing   2008-03-23

Browser (RDF, OWL or semantic)   JavaScript   Existing   2007-02-06   2007-03-11

Browser (RDF, OWL or semantic)   Java         Existing   2007-03-11

RDF (general)                    Perl         Existing   2007-03-11

Browser (RDF, OWL or semantic)   Lisp         Existing   2006-10-04   2007-03-11
Ontology Mapper/Mediator         Java         Existing   2007-11-18

NLP/Language Processor           Multiple     Existing   2006-10-04   2007-09-17

Ontology/Vocabulary Editor       Java         Existing   2008-03-23

Inference Engine                 Java         Existing   2007-09-17

Knowledge Base/Service           Java         Existing   2006-09-22   2007-03-11

Ontology (general)               Prolog       Existing   2007-01-09   2007-03-11
Ontology (general)               Java         Existing   2006-09-22   2007-01-22

Ontology Mapper/Mediator         Java         Existing   2007-02-06   2007-03-11

Search Engine                    Java          New       2009-10-19

Search Engine                    Java         Existing   2007-01-09   2007-03-11

Ontology/Vocabulary Editor       C#           Existing   2008-03-23

Annotator                        Java         Existing   2007-01-04   2007-03-11

Ontology (general)               Java         Existing   2007-06-19

Browser (RDF, OWL or semantic)   Don't Know   Existing   2009-01-31

Ontology (general)               Don't Know   Existing   2009-01-31
Annotator                        Java     Existing   2006-09-22   2007-03-11

Multimedia                       Java     Existing   2007-11-18

Ontology Mapper/Mediator         XSLT     Existing   2006-09-22   2007-09-17

Annotator                        Java      New       2009-10-19

Browser (RDF, OWL or semantic)   Java     Existing   2007-11-18

Search Engine                    Java     Existing   2007-01-04   2007-03-11

Information Extraction           Java      New       2009-10-19

Ontology (general)               Prolog   Existing   2009-01-31

Composite App/Framework          Java     Existing   2007-09-17

Ontology/Vocabulary Editor       Java     Existing   2007-11-18

Composite App/Framework          Prolog   Existing   2007-01-09   2007-01-22

Ontology (general)               Java     Existing   2007-01-22   2007-03-11

Wikis and -related               PHP      Existing   2007-06-19

Visualization                    Python   Existing   2008-03-23
Composite App/Framework          Java         Existing   2007-11-18

Information Extraction           Don't Know    New       2009-10-19

Browser (RDF, OWL or semantic)   Java         Existing   2007-06-19

Semantic Desktop                 Java         Existing   2007-01-04   2007-03-11

Browser (RDF, OWL or semantic)   JavaScript   Existing   2007-11-18   2009-01-31

Composite App/Framework          C / C++      Existing   2006-08-12   2007-03-11

NLP/Language Processor           Java         Existing   2007-11-18

Wikis and -related               Java         Existing   2007-11-18

Wikis and -related               JavaScript   Existing   2007-03-11

Rule-based Processing            Multiple      New       2009-10-19

Microformats                     JavaScript   Existing   2007-01-04   2007-03-11

Parser or Converter              Ruby         Existing   2007-01-04   2007-03-11

Information Extraction           JavaScript   Existing   2007-01-09   2007-03-11

Ontology (general)               JavaScript   Existing   2007-01-09   2007-03-11
Search Engine                    Java         Existing   2007-11-18

Database/Datastore               C / C++      Existing   2006-08-12   2007-01-22

APIs and Middleware              Java          New       2009-10-19

Ontology (general)               Java         Existing   2006-10-04   2008-03-23

Validator                        Java         Existing   2006-08-12   2007-01-22

Ontology (general)               Java         Existing   2009-01-31

Ontology Mapper/Mediator         Don't Know   Existing   2009-01-31

Validator                        Java         Existing   2007-02-06   2007-03-11

Ontology (general)               Prolog       Existing   2007-01-04   2007-03-11

Validator                        Don't Know   Existing   2006-08-12   2007-01-22

Database/Datastore               Java         Existing   2006-08-12   2007-01-22

Inference Engine                 Java         Existing   2006-08-12   2007-03-11

Ontology (general)               PHP          Existing   2006-10-04   2007-03-11

IDE/Programming Environment      Java         Existing   2007-02-06   2007-03-11
Parser or Converter              Java         Existing   2007-03-11

Ontology/Vocabulary Editor       Java         Existing   2007-01-04   2007-03-11

Browser (RDF, OWL or semantic)   JavaScript   Existing   2007-09-17

Ontology Mapper/Mediator         Java         Existing   2007-02-06   2007-03-11

Visualization                    Java         Existing   2006-09-22   2007-01-22
Database/Datastore               Java         Existing   2006-09-22   2007-03-11
Information Extraction           PHP          Existing   2007-03-11

Data Presentation                Java         Existing   2006-10-04   2007-03-11

Inference Engine                 Java         Existing   2006-08-12   2007-03-11

Ontology (general)               Java         Existing   2009-01-31

Query Language or Service        PHP          Existing   2007-02-06   2007-03-11

Annotator                        Java         Existing   2007-03-11

RDF (general)                    PHP          Existing   2007-03-11

Browser (RDF, OWL or semantic)   JavaScript   Existing   2006-09-22   2007-03-11

Multimedia                       JavaScript   Existing   2007-01-09   2007-03-11

IDE/Programming Environment      Pike         Existing   2006-09-22   2007-03-11

NLP/Language Processor           Java         Existing   2007-11-18

Pinging/Notification             Don't Know   Existing   2007-02-06   2007-03-11

Mashup/Meshup Framework          JavaScript   Existing   2007-03-11   2007-11-18

Information Extraction           Don't Know    New       2009-10-19

Wikis and -related               Java         Existing   2006-10-04   2007-03-11

Ontology/Vocabulary Editor       Java         Existing   2009-01-31
IDE/Programming Environment   Ruby         Existing   2006-10-04   2007-03-11

Ontology Mapper/Mediator      JavaScript   Existing   2007-09-17

Ontology (general)            PHP          Existing   2006-09-22   2007-03-11

Visualization                 Java         Existing   2007-11-18

Ontology Mapper/Mediator      Java         Existing   2007-11-18

Database/Datastore            Java         Updated    2006-08-12   2009-10-19

Ontology (general)            Java         Existing   2007-11-18

Ontology/Vocabulary Editor    Java         Existing   2006-08-12   2007-03-11
Ontology/Vocabulary Editor    Java         Existing   2007-02-06   2007-03-11

Information Extraction        Java         Existing   2008-03-23

Information Extraction        Java         Existing   2007-03-11

Query Language or Service     Java         Existing   2007-09-17

RDF Editor                    JavaScript    New       2009-04-21
Inference Engine                 Python    Existing   2007-03-11

Parser or Converter              Python    Existing   2007-01-04   2007-03-11

Parser or Converter              Pike      Existing   2007-02-06   2007-03-11
Wikis and -related               PHP       Existing   2007-03-11

Browser (RDF, OWL or semantic)   C / C++    New       2009-10-19

Browser (RDF, OWL or semantic)   Java      Existing   2007-01-22   2007-03-11

Inference Engine                 Java      Existing   2006-09-22   2007-03-11

Inference Engine                 Lisp      Existing   2006-08-12   2007-03-11
NLP/Language Processor           Java      Existing   2007-03-11

RDF (general)                    PHP       Existing   2006-08-12   2007-03-11

Database/Datastore               PHP       Existing   2007-01-04   2007-03-11

Machine Learning                 Java       New       2009-10-19

Composite App/Framework          C#        Existing   2007-09-17

Parser or Converter              C / C++   Existing   2006-10-04   2007-03-11
Query Language or Service        C / C++      Existing   2006-10-04   2007-03-11

Browser (RDF, OWL or semantic)   Don't Know    New       2009-10-19

Wrapper (Web data extractor)     JavaScript   Existing   2007-03-11

RDF (general)                    Python       Existing   2007-06-19

RDF (general)                    PHP           New       2009-10-19

RDF (general)                    PHP           New       2009-10-19

RDF (general)                    Java         Existing   2007-11-18

Ontology (general)               PHP           New       2009-10-19

RDF (general)                    Java         Existing   2006-10-04   2007-03-11

Database/Datastore               Java         Existing   2006-08-12   2007-03-11

Visualization                    Java         Existing   2007-02-06

RDF Editor                       Java         Existing   2006-08-12   2007-01-22

RDF (general)                    PHP          Existing   2007-02-06   2007-03-11

SPARQL                           PHP           New       2009-10-19

Query Language or Service        PHP           New       2009-10-19
RDF (general)                 JavaScript      Existing   2007-01-09   2007-03-11
Parser or Converter           Perl             New       2009-10-19

APIs and Middleware           Perl            Existing   2007-02-06   2007-03-11

Parser or Converter           Perl             New       2009-10-19

Parser or Converter           Java             New       2009-10-19

Database/Datastore            Java            Existing   2007-01-09   2007-01-22

Parser or Converter           XSLT             New       2009-10-19

Parser or Converter           XSLT             New       2009-10-19

Validator                     C#              Existing   2006-09-22   2007-03-11

RDF Editor                    JavaScript       New       2009-10-19

RDF (general)                 Java            Existing   2009-01-31

RDF (general)                 Java            Existing   2007-03-11

IDE/Programming Environment   JavaScript      Existing   2007-01-22   2007-03-11

RDF Editor                    Python          Existing   2007-01-04   2007-03-11

Data Language                 Definition /     New       2009-10-19

Visualization                 Java            Existing   2008-03-23

Database/Datastore            Java            Existing   2007-03-11
Parser or Converter           Multiple     Existing    2006-10-04   2007-03-11

IDE/Programming Environment   Python       Existing    2006-08-12   2007-03-11

Parser or Converter           JavaScript   Existing    2007-11-18

Query Language or Service     JavaScript     New       2009-10-19

RDF (general)                 Java         Existing    2006-09-22   2007-03-11

RDF (general)                 Java         Existing    2009-01-31

Database/Datastore            C / C++      Existing    2006-08-12   2007-03-11
RDF (general)                 Java         Existing    2006-08-12   2007-03-11

RDF (general)                 Java         Existing    2006-10-04   2007-01-22

RDF (general)                 XSLT         Existing    2008-03-23

Harvester                     Ruby         Existing    2007-01-04   2007-03-11

Query Language or Service     Definition /  Existing   2007-01-09   2007-01-22

Parser or Converter           Java         Existing    2008-03-23

IDE/Programming Environment   Python       Existing    2006-10-04   2007-01-22

Composite App/Framework       C / C++      Existing    2006-08-12   2007-03-11

IDE/Programming Environment   Ruby         Existing    2007-01-04   2007-03-11
Knowledge Base/Service           Java         Existing   2006-09-22   2007-03-11

Search Engine                    Java         Existing   2007-11-18

RDF Editor                       Java         Existing   2009-01-31

Information Extraction           Java         Existing   2006-09-22   2007-03-11

RDF (general)                    Ruby         Existing   2007-01-04   2007-03-11

Ontology/Vocabulary Editor       Java         Existing   2006-09-22   2007-03-11

Validator                        Don't Know    New       2009-10-19
Wikis and -related               Python       Existing   2006-10-04   2007-01-22

Browser (RDF, OWL or semantic)   Python       Existing   2007-06-19

RDF Generator                    Don't Know    New       2009-10-19

Ontology Mapper/Mediator         Multiple     Existing   2007-11-18

Parser or Converter              Java         Existing   2007-02-06   2007-03-11

Data Language                    Java         Existing   2007-09-17

User Interfaces (semantic)       Don't Know    New       2009-10-19

Parser or Converter              XSLT         Existing   2007-01-09   2007-01-22

Wrapper (Web data extractor)     Java         Existing   2007-01-04   2007-03-11
Ontology (general)             Java         Existing   2007-02-06   2007-03-11

Wrapper (Web data extractor)   Ruby         Existing   2007-01-04   2007-03-11

IDE/Programming Environment    Ruby         Existing   2007-01-09   2007-03-11
Rule-based Processing          C#            New       2009-10-19

Composite App/Framework        Python       Existing   2006-10-04   2007-01-22

Composite App/Framework        PHP           New       2009-10-19

Ontology (general)             JavaScript   Existing   2007-01-09   2007-03-11

Utilities (SemWeb)             JavaScript   Existing   2007-01-04   2007-03-11

Linked Data                    Java          New       2009-10-19

Wikis and -related             Ruby         Existing   2007-03-11

Annotator                      Java         Existing   2007-06-19

Wrapper (Web data extractor)   JavaScript   Existing   2007-01-22   2007-03-11

Data Language                  Other         New       2009-10-19

Ontology (general)             Don't Know   Existing   2007-09-17

NLP/Language Processor         Lisp         Existing   2007-03-11
Wrapper (Web data extractor)   JavaScript   Existing   2007-03-11

Wrapper (Web data extractor)   Ruby         Existing   2007-03-11

Wrapper (Web data extractor)   Ruby         Existing   2007-01-04   2007-03-11

Wrapper (Web data extractor)   Ruby         Existing   2007-01-04   2007-03-11

Wrapper (Web data extractor)   Ruby         Existing   2007-02-06   2007-03-11

Database/Datastore             Java         Existing   2007-03-11

Information Extraction         Java         Existing   2008-07-05

Composite App/Framework        Java         Existing   2006-08-12   2007-03-11

Search Engine                  Multiple     Existing   2006-10-04   2007-03-11

Ontology (general)             Java         Existing   2009-01-31

Database/Datastore             Java         Existing   2007-01-22   2007-03-11

Wrapper (Web data extractor)   Don't Know   Existing   2007-09-17

Composite App/Framework        Java         Existing   2007-11-18

Search Engine                  C / C++      Existing   2006-10-04   2007-11-18
Visualization             C / C++      Existing   2006-10-04   2007-11-18

Wikis and -related        PHP          Existing   2006-09-22   2007-03-11

Ontology (general)        Java         Existing   2006-09-22   2007-01-22

Utilities (SemWeb)        JavaScript   Existing   2007-01-09   2007-03-11

Search Engine             PHP          Existing   2008-04-11

Database/Datastore        Java         Existing   2007-09-17

Composite App/Framework   Java         Existing   2009-01-31

Annotator                 Java         Existing   2006-10-04   2007-01-22

Semantic Tagger           JavaScript   Existing   2008-07-05

Utilities (SemWeb)        PHP          Existing   2007-01-09   2007-03-11

Inference Engine          Java         Existing   2006-10-04   2007-03-11

RDF (general)             Java         Existing   2007-01-04   2007-03-11

Mashup/Meshup Framework   JavaScript   Existing   2007-11-18

Composite App/Framework   Java         Existing   2008-03-23

Information Extraction    Unknown      Existing   2008-04-17
Harvester                  Java         Existing   2007-01-22

Annotator                  Other        Existing   2007-02-06

RDF (general)              JavaScript   Existing   2008-03-23

APIs and Middleware        Java         Existing   2007-01-09   2007-01-22

APIs and Middleware        C / C++      Existing   2007-11-18

Ontology Mapper/Mediator   Java         Existing   2007-06-19

Wikis and -related         Ruby         Existing   2007-03-11   2007-11-18

Search Engine              Java         Existing   2007-11-18

Search Engine              Java         Updated    2007-01-22   2009-10-19

Wikis and -related         PHP          Existing   2007-03-11

RDF (general)              Java         Existing   2007-01-09   2007-01-22
Database/Datastore         C#           Existing   2006-09-22   2007-03-11

Composite App/Framework    Java         Existing   2007-01-09   2007-01-22

Wikis and -related         Java         Existing   2007-01-09   2007-01-22
Database/Datastore         Java         Existing   2006-08-12   2008-03-23

Parser or Converter        Java         Existing   2007-02-06   2007-03-11

Ontology (general)         Python       Existing   2007-06-19
Composite App/Framework          Java         Existing   2007-01-04   2007-03-11

Annotator                        Java         Existing   2006-10-04   2007-03-11

Browser (RDF, OWL or semantic)   Other        Existing   2009-01-31

Inference Engine                 Java         Existing   2009-01-31

Composite App/Framework          Multiple     Existing   2007-11-18

Information Extraction           Java         Existing   2007-01-22   2007-09-17

Wrapper (Web data extractor)     JavaScript   Existing   2007-01-22   2007-03-11

Browser (RDF, OWL or semantic)   Ruby          New       2009-10-19

Linked Data                      Python        New       2009-10-19

NLP/Language Processor           Multiple     Existing   2007-09-17

Search Engine                    Ruby         Existing   2007-06-19

Utilities (SemWeb)               Ruby          New       2009-10-19

Wikis and -related               PHP          Existing   2007-03-11
Search Engine                    Java          New       2009-10-19

Harvester                        Python        New       2009-10-19

Parser or Converter              Don't Know   Existing   2008-03-23

Ontology/Vocabulary Editor       Java          New       2009-10-19

Composite App/Framework          Java         Existing   2007-01-04   2007-01-22

Wikis and -related               PHP          Existing   2009-01-31

Ontology (general)               Java         Existing   2006-09-22   2007-03-11

Search Engine                    C / C++      Existing   2007-01-09   2007-01-22
Ontology Mapper/Mediator         Java         Existing   2007-09-17

Ontology (general)               Multiple     Existing   2007-06-19

Ontology (general)               Java         Existing   2006-10-04   2007-03-11

Wrapper (Web data extractor)     JavaScript   Existing   2006-10-04   2007-03-11

RDF (general)                    Java         Existing   2007-02-06   2007-03-11

Database/Datastore               C / C++      Existing   2007-11-18

Browser (RDF, OWL or semantic)   JavaScript    New       2009-10-19

Linked Data                      C / C++       New       2009-10-19
Data Language               Definition /  Existing   2006-09-22   2007-01-22

SPARQL                      JavaScript   Existing    2006-08-12   2007-03-11

SPARQL                      JavaScript   Existing    2007-06-19

Query Language or Service   Definition /  Existing   2006-08-12   2007-11-18

Query Language or Service   Definition /  Existing   2006-09-22   2007-01-22

Query Language or Service   Other        Existing    2007-09-17

Data Language               Java         Existing    2008-03-23

Query Language or Service   C / C++      Existing    2009-01-31

Data Presentation           Python         New       2009-10-19

Chat-related                Python       Existing    2007-11-18

RDF (general)               Python       Existing    2007-03-11

Query Language or Service   Perl         Existing    2007-09-17

Ontology (general)          Python       Existing    2009-01-31
Data Language                    Java       New       2009-10-19

Parser or Converter              C#        Existing   2007-06-19
RDFizer                          Java       New       2009-10-19

Browser (RDF, OWL or semantic)   C / C++   Existing   2007-09-17

Blogs                            PHP       Existing   2007-11-18

Composite App/Framework          PHP        New       2009-10-19

Wikis and -related               PHP       Existing   2008-06-23

RDF (general)                    Python     New       2009-10-19

Inference Engine                 Python    Existing   2006-10-04   2007-01-22

NLP/Language Processor           C / C++   Existing   2007-11-18

RDF Generator                    Python    Existing   2007-03-11

Search Engine                    Java      Existing   2007-02-06   2007-03-11

IDE/Programming Environment      Lisp      Existing   2006-09-22   2007-03-11
IDE/Programming Environment      Java         Existing   2007-02-06

Listing (of items)               JavaScript   Existing   2007-03-11

Rule-based Processing            Java         Existing   2007-11-18

Wikis and -related               Java         Existing   2007-03-11

RDF (general)                    Prolog       Existing   2007-01-09   2007-03-11

Parser or Converter              Perl         Existing   2009-01-31

Composite App/Framework          Prolog       Existing   2006-08-12   2007-03-11

Inference Engine                 Haskell      Existing   2006-08-12   2007-03-11

Search Engine                    Java         Existing   2006-09-22   2007-03-11

Ontology/Vocabulary Editor       Java         Existing   2006-09-22   2007-03-11

Composite App/Framework          Ruby         Existing   2007-01-09   2007-03-11

Search Engine                    Java         Existing   2007-02-06   2007-03-11

Browser (RDF, OWL or semantic)   JavaScript   Existing   2007-01-09   2007-03-11

Information Extraction           Ruby         Existing   2007-01-04   2007-03-11

Information Extraction           Don't Know   Existing   2007-03-11

Microformats                     JavaScript   Existing   2007-01-09   2007-03-11

Microformats                     JavaScript   Existing   2007-01-04   2007-03-11
Data Presentation            Python        New       2009-10-19

Composite App/Framework      Java         Existing   2007-11-18

Parser or Converter          Don't Know   Existing   2008-03-23

RDF (general)                Python        New       2009-10-19

Ontology/Vocabulary Editor   Java          New       2009-10-19

Information Extraction       Java         Existing   2007-01-04   2007-09-17

Ontology Mapper/Mediator     Java         Existing   2007-01-09   2007-03-11

NLP/Language Processor       Don't Know   Existing   2007-11-18

Information Extraction       Java         Existing   2007-01-04   2007-03-11

NLP/Language Processor       C / C++      Existing   2008-03-23

Visualization                Java         Existing   2007-02-06   2007-03-11

Ontology (general)           Prolog       Existing   2007-03-11
Browser (RDF, OWL or semantic)   Other        Existing   2007-03-11

IDE/Programming Environment      XSLT         Existing   2006-10-04   2007-03-11

Ontology (general)               Java         Existing   2007-06-19

NLP/Language Processor           Java         Existing   2006-10-04   2007-01-22

Information Extraction           Java         Existing   2007-01-22

Visualization                    JavaScript   Existing   2006-10-04   2007-01-22

NLP/Language Processor           Prolog       Existing   2007-11-18

Ontology (general)               Don't Know   Existing   2009-01-31

Inference Engine                 C / C++      Existing   2007-09-17

Composite App/Framework          Java         Updated    2006-08-12   2009-10-19

Topic Maps                       Multiple     Existing   2007-01-04   2007-03-11

NLP/Language Processor           Java         Existing   2007-11-18

Ontology (general)               PHP          Existing   2008-03-23
Browser (RDF, OWL or semantic)   Don't Know   Existing    2008-03-23

Visualization                    Java         Existing    2008-03-23

Browser (RDF, OWL or semantic)   JavaScript   Existing    2007-01-04   2007-03-11

RDF (general)                    Python       Existing    2007-06-19
Parser or Converter              Java         Existing    2007-01-09   2007-01-22
NLP/Language Processor           C / C++      Existing    2006-10-04   2007-01-22

Annotator                        Java         Existing    2006-10-04   2007-03-11

Information Extraction           Java         Existing    2007-01-22

Composite App/Framework          PHP          Existing    2007-11-18

Inference Engine                 Java         Existing    2007-06-19

Data Language                    Definition /  Existing   2007-01-09   2007-01-22

Data Language                    Definition /  Existing   2006-10-04   2007-03-11

RDF Editor                       Prolog       Existing    2007-06-19

Database/Datastore               Java         Existing    2007-06-19

RDF Generator                    PHP          Existing    2008-03-23

Visualization                    Java           New       2009-10-19
RDF (general)                    C / C++      Existing    2007-06-19

Query Language or Service        Java         Existing    2006-10-04   2007-03-11

Query Language or Service        Definition /  Existing   2007-01-09   2007-01-22

Search Engine                    Don't Know   Existing    2007-11-18

Information Extraction           Don't Know   Existing    2007-01-04   2007-01-22
Database/Datastore               Java         Existing    2006-08-12   2007-01-22

Visualization                    C / C++      Existing    2007-11-18

Data Language                    Definition /  Existing   2006-09-22   2007-01-22

Browser (RDF, OWL or semantic)   Java         Existing    2008-03-23

Query Language or Service        Java         Existing    2007-06-19

Mashup/Meshup Framework          Python       Existing    2009-01-31

Parser or Converter              JavaScript     New       2009-10-19

Microformats                     Ruby         Existing    2007-01-04   2007-03-11

Microformats                     Ruby         Existing    2007-01-04   2007-03-11

Linked Data                      Don't Know     New       2009-10-19
RDF (general)                    Don't Know    New       2009-10-19

Search Engine                    Don't Know   Existing   2007-06-19

Query Language or Service        Perl         Existing   2007-01-22   2007-03-11

Validator                        Python       Existing   2007-11-18

Query Language or Service        Python       Existing   2007-09-17

RDF Editor                       Python       Existing   2007-06-19

Ontology Mapper/Mediator         Java          New       2009-10-19

Database/Datastore               C / C++      Updated    2007-01-04   2009-10-19

RDFizer                          XSLT          New       2009-10-19

Browser (RDF, OWL or semantic)   Java          New       2009-04-21

Visualization                    C / C++      Existing   2007-02-06

Visualization                    Java         Existing   2007-09-17

Composite App/Framework          Java         Existing   2008-03-23

Ontology (general)               Java         Existing   2008-03-23

Visualization                    JavaScript   Existing   2006-09-22   2007-03-11
IDE/Programming Environment    Java         Existing   2007-01-04   2007-03-11

Information Extraction         C / C++      Existing   2006-09-22   2007-03-11

Visualization                  JavaScript   Existing   2007-06-19

Visualization                  Java         Existing   2008-03-23

RDF Generator                  Java          New       2009-10-19

Annotator                      Java         Existing   2007-03-11

Wikis and -related             PHP          Existing   2007-01-09   2007-01-22

Validator                      Java         Existing   2006-08-12   2007-01-22
Search Engine                  Java         Existing   2007-06-19

Utilities (SemWeb)             JavaScript   Existing   2007-03-11

Ontology (general)             Java         Existing   2007-01-04   2007-03-11

Annotator                      PHP          Existing   2007-02-06

Information Extraction         Java         Existing   2006-10-04   2007-01-22

Wrapper (Web data extractor)   Java         Existing   2007-11-18

Wrapper (Web data extractor)   Java         Existing   2007-01-04   2007-03-11

Ontology/Vocabulary Editor     Java         Existing   2006-09-22   2007-03-11

Ontology (general)             Java         Existing   2007-03-11
RDF Generator                  XSLT      Existing   2007-09-17

Information Extraction         Java      Existing   2007-06-19

Visualization                  Java      Existing   2006-10-04   2007-03-11

Inference Engine               Haskell   Existing   2007-01-04   2007-03-11

Annotator                      PHP       Existing   2006-10-04   2007-01-22

NLP/Language Processor         C / C++   Existing   2007-03-11

Information Extraction         Perl      Existing   2008-03-23

Wikis and -related             PHP       Existing   2007-03-11

Wikis and -related             Perl      Existing   2007-03-11

IDE/Programming Environment    Lisp      Existing   2006-08-12   2007-03-11

Ontology (general)             Java      Existing   2006-10-04   2007-03-11

RDF (general)                  Perl      Existing   2006-10-04   2007-01-22

Parser or Converter            Java      Existing   2007-02-06   2007-03-11

Composite App/Framework        Java      Existing   2006-09-22   2007-01-22
Composite App/Framework        Java      Existing   2006-09-22   2007-01-22

Composite App/Framework        Java      Existing   2006-09-22   2007-03-11

Wrapper (Web data extractor)   Ruby      Existing   2007-01-04   2007-03-11
Query Language or Service      Haskell   Existing   2007-01-04   2007-03-11

Parser or Converter            Java       New       2009-10-19

Parser or Converter            C / C++   Existing   2008-03-23

Parser or Converter            PHP       Existing   2006-10-04   2007-03-11

Parser or Converter            Java      Existing   2008-03-23

Annotator                      Other     Existing   2006-08-12   2007-01-22

Chat-related                   Java      Existing   2007-11-18

Query Language or Service      Other     Existing   2008-03-23

Parser or Converter            Java      Existing   2008-03-23

Wrapper (Web data extractor)   Java      Existing   2007-03-11

Information Extraction         Other     Existing   2007-01-04   2007-01-22

Database/Datastore             Java      Existing   2006-08-12   2007-03-11

Wikis and -related             Java      Existing   2007-03-11   2007-11-18
Search Engine                    Multiple     Existing   2007-03-11

Wikis and -related               Don't Know   Existing   2008-03-26

Agents/Agent Systems             Java         Existing   2006-10-04   2007-01-22

Browser (RDF, OWL or semantic)   Multiple     Existing   2007-09-17

Browser (RDF, OWL or semantic)   PHP          Existing   2007-09-17

Information Extraction           Other        Existing   2007-01-04   2007-01-22
Search Engine                    Don't Know   Existing   2007-03-11

Browser (RDF, OWL or semantic)   JavaScript   Existing   2006-09-22   2007-03-11

Topic Maps                       PHP          Existing   2006-10-04   2007-01-22
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Date                Version # Tool Count
         1/5/2007            4        306
         1/9/2007            5        353
        1/22/2007            6        378
         2/6/2007            7        420
        3/11/2007            8        500
        6/19/2007            9        542
        9/17/2007           10        578
       11/18/2007           11        650
        3/23/2008           12        692
        3/31/2008           13        693
        7/18/2008           14        702
        1/31/2009           15        736
       10/19/2009           16        805 (after 19 removals)
Validation List - Category       Validation List - 1o language
Agents/Agent Systems             Don't Know
Annotator                        Other
APIs and Middleware              C / C++
Blogs                            C#
Browser (RDF, OWL or semantic)   Definition / Specification
Chat-related                     Forth
Collaboration Systems            Haskell
Composite App/Framework          Java
Copy-and-Paste                   JavaScript
Data Language                    Lisp
Data Presentation                Multiple
Data 'Structs'                   Perl
Database/Datastore               PHP
Description or Formal Logics     Pike
Harvester                        Prolog
IDE/Programming Environment      Python
Inference Engine                 Ruby
Information Extraction           Smalltalk
Knowledge Base/Service           Tcl/Tk
Linked Data                      XSLT
Listing (of items)
Machine Learning
Mashup/Meshup Framework
NLP/Language Processor
Ontology/Vocabulary Editor
Ontology (general)
Ontology Mapper/Mediator
Parser or Converter
Query Language or Service
RDF Editor
RDF (general)
RDF Generator
Rule-based Processing
Search Engine
Semantic Desktop
Semantic Models & Modeling
Semantic Tagger
Semantic Web (general)
Topic Maps
User Interfaces (semantic)
Utilities (SemWeb)
Web Services (semantic)
Wikis and -related
Wrapper (Web data extractor)
&id   &type   &prefLabel
              BBN OWL Validator

              Fresh Framework



              ONDEX Suite

              Ontology Organizer

              Pytypus Wiki


              Semantic Web



              AJAX Client for SPARQL


              Javelin II

              Maariwa (and MarQL)

XML Army Knife
&description                                                                                  &foss
BBN OWL Validator (this project may no longer be active; Web site unresponsive)                Yes
Converts fragments of Description Logic Programs (DLP) encoded in OWL into logic               Yes
programming syntax in Prolog
Fresh Framework is a CMS designed for the Semantic Web, with WYSIWYG page                      Yes
editing, RDF summaries of profiles and news, and countless other quality features you
expect to find in a CMS
Java2OWL-S Converter provides a partial translation between Java and OWL-S 1.1.                Yes
The results of this translation are a complete specification of the Grounding, partial
specification of the Process Model and Profile and a OWL Class file, when at least one o

An open-source technology that enables better ways to get and use data and infomation          Yes
on the Web (still under development)
Framework for text mining, data integration and data analysis. Keywords: ontology and          Yes
graph alignment, relation mining, warehouse, semantic database integration,
bioinformatics, systems biology, microarray, Java, Postgres, LINUX (web page won't
A DAML+OIL ontology editor with constraint propagation functionality to ensure that            Yes
constraints applied to properties and restrictions are correctly propagated through an
ontology, and datatype management functionality for manipulating custom datatypes

Pytypus is a Semantic Web project. In Pytypus, RDF is the base of comunication                 Yes
between agents in the semantic net. Every URI in the semantic net has its owner that
rule its behavior (Web page not opening)
SECO proivdes mediation services for Semantic Web data, comprising data acquistion             Yes
and data integration mediators. A SECO mediator comprises an HTTP server, an RDQL
parser, and means to fetch data via RDQL/HTTP. User interface and scutter can accept
It includes Ontology, Knowledge-base Representation, Description Logic, and Agent              Yes
Development for the next Generation Web - the Semantic Web. It is designed to use
OWL, DAML+OIL, RDFs, RDF, or XML syntax to design ontology; developed using
J2EE (Web site
Open source Semantic Web-based search engine for searching W3C standard RDF                    Yes
ontologies and tags (the search engine is available under GPL license)
System for Managing Applications based on RDF Technology (Web site not found)                  No
API to a social tagging extraction engine; has apparently been abandoned as an online          Yes
AJAX Client for SPARQL is a simple AJAX client that can be used for running SELECT             Yes
queries against a service and then integrating them with client-side JavaScript code

CONFOTO is an online service which facilitates browsing, annotating and re-purposing          Online
of photo, conference, and people descriptions
Javelin question answering software extracts information from documents in large, open-        Yes
domain corpora to using domain-specific information and semantics to answer questions
in subject areas that are not known in advance; currently limited to onliine demo

Maariwa is a semantic wiki that enables the creation of dynamic lists of articles, provides   Don't
a semantic search feature, has WYSIWYG editing for text and semantic annotations,             Know
separates versioning for articles and classes, and has RDF export for annotated a
PANKOW (Pattern-based Annotation through Knowledge on the Web) is a system for          Yes
automatically annotating instances in a web page with respect to a given ontology. It
implements an unsupervised approach to information extraction in the sense that no
XML Army Knife is an online query form to a simple user interface for testing out the   Yes
XAK SPARQL Query Service. Based on Jena

&category                        &language &status &firstPosted       &updateData
NOT ACTIVE (???)                 Don't Know Existing 2006-09-22        2007-11-18
NOT ACTIVE (???)                 Prolog     Existing 2006-08-12        2007-03-11

NOT ACTIVE (???)                 Don't Know   Existing   2006-10-04    2007-01-22

NOT ACTIVE (???)                 Java         Existing   2007-03-11    2007-11-18

NOT ACTIVE (???)                 JavaScript   Existing   2007-01-04    2007-11-18

NOT ACTIVE (???)                 Java         Existing   2006-10-04    2007-03-11

NOT ACTIVE (???)                 Don't Know   Existing   2006-10-04    2007-01-22

NOT ACTIVE (???)                 Python       Existing   2006-10-04    2007-01-22

NOT ACTIVE (???)                 Don't Know   Existing   2006-10-04    2007-01-22

NOT ACTIVE (???)                 Java         Existing   2006-10-04    2007-01-22

NOT ACTIVE (???)                 Don't Know   Existing   2006-09-22    2007-01-22

NOT ACTIVE (???)                 Don't Know   Existing   2006-09-22    2007-01-22
NOT ACTIVE (???)                 Don't Know   Existing   2007-01-04    2007-01-22

Query Language or Service        JavaScript   Existing   2006-08-12    2007-03-11

Browser (RDF, OWL or semantic)   PHP          Existing   2007-11-18

NLP/Language Processor           Java         Existing   2007-03-11

Wikis and -related               PHP          Existing   2007-11-18
Information Extraction      Don't Know   Existing   2007-01-22

Query Language or Service   Java         Existing   2006-09-22   2007-03-11
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