Navigating the Internet

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Navigating the Internet Powered By Docstoc
					      Researching
Strategies for Secondary
        Students



     Shirley Pitcher Sept. 2005.
              Before searching

                 Defining      Why do I need to find
                                this out?
   What do I really want
    to find out?               What are the key
                                words and ideas of the
   What is my purpose?         task?

                               What do I need to do?
                    Remember
   Information on the Internet is not
     regulated for quality or accuracy
Check for Authority
Check you are in the right place –
             When in doubt, doubt.
Check Cost –
free-nets provide access without charge to members of the local
              community but many hidden costs occur


        Anyone can (and probably will) put
            anything on the Internet
            World Wide Web
   Graphic view of the Internet with pictures, video
    and sound.
   Browsers with high-speed connections provide
    maximum results
   Type your desired URL in the Location of Go To
    field on your browser
   Hypertext links allow quick connections to other
    pages
   Search engines allow quick searches for specific
    information.
                                Simpson & McElmeel 2000, p 257
                         Locating
   Where can I find the         Read and the scan the front page:
    information I need?           appropriate?

   What do I already            – yes! bookmark and return to list
    know?                         of results

   What do I still need to  - no! look at the next Web site in
    find out?                 the list of results.

   What sources and             Repeat the process
    equipment can I use?
                   Search Tools
   Internet Directories -           classify information by
    topic and also allows you to choose one of the topics or
    type a keyword or phrase to search.
   Search Engines -        will search the entire contents of
    the Internet by keyword(s).
   Meta-Search Engines -           search a dozen different
    search engines and directories simultaneously and display
    the ten best responses from each search engine.
   Domain Types -       involves examining URL’s to
    determine where the information came from.
       Search engine

    Quality        Effectiveness

     Speed            Purpose
  Presentation       Keywords
    Coverage
                     Evaluation
Most appropriate
     Navigating the Internet

   Searching the Web
    – What do search engines offer?
    – What are the advantages?
    – What are the disadvantages?
   Search features
    – Boolean, default, proximity, truncation,
     case, fields, limits, stop, sorting.
    Search engine categories

A search engine will search the entire
 contents of the Internet by
 keyword(s).

 Free-text – Alta Vista, Google
 Index or directory based – Yahoo
 Multi or meta-search – Dogpile
 Natural-language - AskJeeves
            Search Engines
 Use to find specific information
 Decide on a combination of words
    – Identify key words
    – Select synonyms
    – Account for spelling variations (esp
      American)
    – Related concepts
               Internet Directories
         An Internet directory will classify information by topic and
    allows you to choose one of the topics or type a keyword or phrase
                                  to search.


    Yahoo - http://www.yahoo.com
    Yahooligans - http://www.yahooligans.com
    Look Smart - http://www.looksmart.com
    Digital Librarian - http://www.digital-librarian.com
     Meta Search Engines
A meta-search engine will search a dozen
  different search engines and directories
  simultaneously and display the ten best
  responses from each search engine


CNet’s Search. Com - http://search.com
MetaCrawler - http://www.metacrawler.com
DogPile - http://www.dogpile.com
Ixquick - http://ixquick.com/
           Multimedia Searches
    Searching for specific forms of multimedia
       on the Internet after identifying your
     major topic add the file extension type to
                    your search

 Text - .txt,.htm,.html
 Audio - .au, .aiff, .wav, .midi, .mp3, ra
 Images - .gif, .jpg, .tiff, .bmp
 Video - .mov, mpg, .movie, .moov, .avi, .rm
   .edu Education or research
                                        URL’s
   .gov Government
   .com Commercial
    .org Organization
    .mil Military
    K12 K-12 schools
      ~ usually created by an individual   (possible
             biased information)
   .net
           a computer network,
    .int
           international organization
.jp, au.
           country identifiers
          URL’s - Link Searching
   Domain Types: involves examining the URL. For
    example to determine where the information
    comes from.

   Domains: search only a specific website or exclude
    that site from your searching

   Place the URL into the search box to find other
    sites to link to it

   You can cut the extensions off the address to
    find the home page
    Recommended search
         engines
 Google – general searching
 Anzswers – Australian sites
 Teoma – New database
 WebWombat - Australian sites
           Booelan searching
    Boolean characters are always in
CAPITALS to distinguish them from other
                 words
   AND – only when both      Phrase searching –        Use
    keywords included          inverted commas around a phrase
                               or name or key words
                                - “music history”
                               - “J S Bach”, “J C Bach”
   AND NOT keyword
    not included              Truncation –       using a wild
                               card to shorten keywords or for
                               alternative spellings
                                – Perform*
   OR either keyword           – Instru*
                               Not available in Google
     common search features

   AND use + before words that must be
    included on the page
   AND NOT use – (minus sign) before words
    that you do not want in your search
   Phrase search use   “ ” around the words
   OR use OR between the words
   Truncation use   * as wildcard (not Google)
       Plus                                 Minus
                   Searching
Use the + and the - operators between words or
  phrases (Boolean search)
  Prefix your search words with the + to indicate
  that they MUST occur in a page to be
  considered a hit, and use       -     to exclude pages.
e.g.   “Haiku   poetry”   +   flowers
will find only pages that contain Haiku poetry
   including flowers.
                 Search features
   Not all extra features of searching are
    available on all search engines

   Features can be combined in one search

   Search engine maths –
       http://searchenginewatch.com/facts/article.php/2155981


   This site has a table to show features of
    popular search engines
      http://www.searchengineshowdown.com/features/
Looking for a special photo?
 Use the "image" key word
   image: Australian idol.jpg

 click the "image" tab at the top of
     the Search Engine to request
     images
            Case Sensitivity
   Google – same         Hot bot –only upper
    results upper or
    lower                 MSN - only upper
      Advanced searching
 Select date
 Select language
 Parts of the page
 Easy boolean
 Site or domain
 File format: pdf; HTML
        Metasearch engines
 Do not maintain a database of
  webpages
 Pass the query onto other search
  engines and return the results
 Good for obscure topics
 Examples
    – Ask Jeeves
    – Dogpile
Google Subject directory
         I need a few good hits fast
     (e.g., organization's homepage, popular sites for a topic)
            I'm not sure how to spell
    (e.g. "Ku Klux Klan" or "Klu Klux Klan") or define something.
   I need a template to focus my search.
          Yahoo advanced search
                          I need a few good hits fast
               (e.g., organization's homepage, popular sites for a topic)

          I want to search on confusable (e.g. bush v. Bush) or ignored words

(e.g. there v. There - a company) in a phrase (e.g., "Vitamin A" or "to be or not to be").
MSN Search builder
               I need an answer
(find facts, look up words, calculate, convert)
        AskJeeves
Advanced search tips
       I need an answer
(find facts, look up words, calculate, convert)
                          Zapmeta
I need to preview results quickly before I investigate them further.
                   Thumbshots
I need to search broadly - what am I missing with one engine?
              Clusty
I need to organize and refine my results.
         Virtual LRC.com
I need a subject hub prepared by an expert.
           http://www.virtuallrc.com/
                 KartOO
I need to visualize relationships among ideas.
          http://www.kartoo.net/a/en/aide01.html
      Biography.com
I need biographical information.
    http://www.biography.com/search/index.jsp
              Media Search engines
   current buzz or breaking news.   Clusty Blog search
                                     http://clusty.com/search?v%3aproject=clusty-
   compare front page treatment      blogs&v%3aframe=form&form=advanced&


    of news.                         Press Display
                                      http://www.pressdisplay.com/pressdisplay/viewer.aspx
   complete news coverage.          Yahoo News
   an overview of the media in a    http://news.yahoo.com/
    region or industry.              Headline Spot
   news background to understand    http://www.headlinespot.com/
                                      RDN Behind the headlines
    the latest headlines.         
                                     http://www.rdn.ac.uk/bth/
   accurate, objective information
                                     Homework center
    on hot topics (current and       http://www.multcolib.org/homework/sochc.html
    controversial).                  CIA World fact book
   encyclopaedia information.       http://www.cia.gov/cia/publications/factbook/
           Search engines continued
    multimedia               Classroom clip art
    images, audio, video       http://classroomclipart.com/
 Art                         Find Sounds
                                http://classroomclipart.com/
 Maps
                              Creative commons
                               http://classroomclipart.com/
                              Singingfish
                               http://search.singingfish.com/sfw/home.jsp
                              Pictures/Art
                               http://jr.co.il/hotsites/pictures.htm
                              Map Machine
                               http://jr.co.il/hotsites/pictures.htm
Internet Site evaluation                               Yes No N/A
Credibility   Who is the author?
              Are the author’s qualifications or
              expertise given?
              Does the URL tell you that the
              information comes from a reliable
              source?
Currency      Is the date of page creation given?
              Is the information still current?

Content       Is the information fact?
              Is the information opinion?
              Is there are bibliography?
              Are there links to quality additional
              sources?

Conclusion    Could general encyclopedia or non-
              fiction book have provided the same or
              better information?
        Unsuitable sites
 No author
 Bad grammar
 Spelling errors
 No date
 Biased information
 Advertising
                  Summary
   Remember these important points
    – Define your needs
    – Check for quality and accuracy
    – Choose appropriate search method – directory,
      search engine, AskA, URL
    – Use Boolean logic
    – Use advanced searching (specific)
    – Evaluate your resource

				
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posted:10/11/2012
language:English
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