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					       OASIS Semantic Support for Electronic
       Business Document Interoperability
       (SET) TC Overview




July 11, 2008          OASIS SET TC
Talk Outline

                   A Brief Overview of Electronic Business
                    Document Standards
                   UN/CEFACT Core Component
                    Technical Specification
                   SET TC Goals, Deliverables and Similar
                    Efforts




July 11, 2008                    OASIS SET TC
Development of Electronic Business
Document Interoperability Standards
    The development of electronic business document
     standards has been evolutionary based on:
          The traditional EDI technology
          Affected by the technological developments such as the
           Internet and XML
          Affected by the interoperability needs of the current more
           dynamic eBusiness applications
    No document standard is sufficient for all purposes
     because the requirements significantly differ
          Amongst businesses, industries and geo-political regions


July 11, 2008                     OASIS SET TC
Some Example Business Document
Standards
    Vertical Standards
      RosettaNet, CIDX, PIDX, OTA, HL7, …

    Horizontal Standards
      OAGIS, GS1 eCom, xCBL, cXML, UN/CEFACT CCL, UBL, …

    A survey and analysis of electronic business document
     standards investigating:
      The document design principles

      The use of code lists

      The use of XML namespaces

        How the standards handle extensibility and customization
    is available at:
      Kabak Y., Dogac A., “A Survey and Analysis of Electronic
        Business Document Standards”, Submitted to ACM Computing
        Surveys
           http://www.srdc.metu.edu.tr/webpage/publications


July 11, 2008                 OASIS SET TC
Talk Outline

                   A Brief Overview of Electronic Business
                    Document Standards
                   UN/CEFACT Core Component
                    Technical Specification
                   SET TC Goals, Deliverables and Similar
                    Efforts




July 11, 2008                    OASIS SET TC
UN/CEFACT Core Component
Technical Specification (CCTS)
    The ultimate aim of business document
     interoperability is to
          Exchange business data among partners without any prior
           agreements related to the document syntax and semantics
          Hence support “Interoperability Service Utility (ISU)” at the
           content level as defined by the Enterprise Interoperability
           Roadmap of European Commission
    Therefore, document standard need to adapt to
     different contexts, be extensible and customizable

    UN/CEFACT Core Component Technical
     Specification (CCTS) is an important landmark in
     this direction

July 11, 2008                      OASIS SET TC
UN/CEFACT Core Component
Technical Specification (CCTS)
    UN/CEFACT CCTS provides a methodology to identify a set of
     reusable building blocks, called Core Components to create
     electronic documents

    Core Components represent the common data elements of
     everyday business documents such as “Address”, “Amount”, or
     “Line Item”

    These reusable building blocks are then assembled into business
     documents such as “Order” or “Invoice” by using the CCTS
     methodology

    UN/CEFACT CCTS Core Components are syntax independent


July 11, 2008                  OASIS SET TC
UN/CEFACT Core Component
Technical Specification (CCTS)
    Core components are defined to be context-
     independent so that they can later be restricted to
     different contexts:
          Business Process Context
          Product Classication Context
          Industry Classication Context
          Geopolitical Context
          Business Process Role Context
          Supporting Role Context
          System Capabilities Context
          Official Constraints Context

July 11, 2008                   OASIS SET TC
Main Features of CCTS Approach
    Business document schemas are composed of several basic and
     aggregate components

    Aggregate components themselves are collections of other basic
     and aggregate components in a recursive manner

    Standard components are modified in response to contexual
     needs

    When a document schema needs to be customized for a context,
     users need to discover or provide component versions applicable
     to that particular context




July 11, 2008                  OASIS SET TC
Why CCTS is important?
    This concept of defining context-free reusable building blocks,
     which are available from a single common repository, is an
     important innovation:
      The incompatibility in electronic documents is incremental rather
       than wholesale
      The users are expected to model their business documents by
       using the existing core components and by restricting them to
       their context with well defined rules
      Dynamic creation of interoperable documents becomes possible
       because if users cannot find proper components to model their
       documents, they can create and publish new core components
      The horizontal interoperability among different industries is
       greatly facilitated by using a single common repository and by
       customizing the components to different industry contexts


July 11, 2008                    OASIS SET TC
Some of the UN/CEFACT CCTS
based Business Document Standards
    UN/CEFACT Core Components Library (CCL) 07A
          96 ACC, 212 ASCC, 636 BCC
          184 ABIE, 337 ASBIE, 1011 BBIE
          35 Datatypes

    Universal Business Language (UBL) 2.0

    Open Applications Group Integration Specification
     (OAGIS) 9.0

    Global Standards One (GS1) XML

    All standards implement CCTS differently!
July 11, 2008                  OASIS SET TC
OASIS Universal Business Language
(UBL) 2.0
    The first implementation of UN/CEFACT
     CCTS in XML

    31 Horizontal Business Document Schemas
          Invoice, Order, Dispatch Advice,…
    Schemas for common reusable entities
          Amount, Payment, Item, …



July 11, 2008                OASIS SET TC
The Problem continues: All CCTS based
standards use CCTS differently




July 11, 2008     OASIS SET TC
Providing semantic support for the interoperability
of CCTS based electronic business documents
    Within the scope of the iSURF Project, we
     developed tools:
          To provide machine processable semantic representations
           of context domains

          To utilize these semantics for automating tasks for the
           discovery, reuse and customization of components and
           document schemas

          To provide a semantics based translation mechanism for
           the interoperability of schemas customized by independent
           parties


July 11, 2008                     OASIS SET TC
Talk Outline

                   A Brief Overview of Electronic Business
                    Document Standards
                   UN/CEFACT Core Component
                    Technical Specification
                   SET TC Goals, Deliverables and Similar
                    Efforts




July 11, 2008                    OASIS SET TC
The Motivation: Context Categories
    Eight categories has been defined for the business context
    Specific code lists and classification schemas are suggested for
     each category:
      Code lists and classification taxonomies provide context values

      There are other relevant classifications in use today and there

        may be others in future
    Quoting from an email in the Ontolog Forum by Duane Nickull:
      “Even when the CCTS group decided to limit their context

        qualifier set to only 8 context aspects, they still had an almost
        infinite explosion of context. If you took 8 singular contexts and
        had only 300 enumerated values for each one, the number is so
        large no one group could ever possibly list all the combinations in
        a lifetime without computers”


July 11, 2008                     OASIS SET TC
SET TC Goals…

1.       Providing Semantic Support for CCTS
         Context Domains

2.       Providing Semantic Support for
         Customization of Core Components and
         Business Document Schemas

3.       Providing Semantic Support for Document
         Translation

July 11, 2008            OASIS SET TC
Similar Work: UN/CEFACT TMG UCM

    UN/CEFACT Techniques and Methodologies Group (TMG)
     through its UCM (UN/CEFACT Context Methodology) project
     aims to provide rules for clarifying how to structure and use CCs
     in specific contexts

    Use cases and requirements are collected from the industry

    An initial draft of Context Methodology Technical Specification
     exists (confidential to the committee)

  Some initial specifications are available at:
http://www.unstandards.org:8080/x/6QI6



July 11, 2008                   OASIS SET TC
SET TC Deliverables…
    Specification of semantic support mechanisms to provide
     machine processable semantic representations for the context
     domains to annotate core components to facilitate their discovery
     and reuse
      Final version due December 2008



    Specification of Semantic Support for Customization of Core
     Components and Business Document Schemas
      Final version due June 2009



    Specification of machine processable mechanism that can
     express the structure and the semantics of components together
     with their correspondences in different versions
      Final version due December 2009


July 11, 2008                   OASIS SET TC
SET TC Next Meetings…

    Month of August 2008: August 14, 2008
    Month of September 2008: September 26,
     2008
    Month of October 2008: October 30, 2008
    Month of November 2008: November 21,
     2008
    Month of December 2008: December 19,
     2008

July 11, 2008         OASIS SET TC
       Thank you for your attention!




July 11, 2008      OASIS SET TC

				
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