World-Wide Web
       
          <World-Wide Web, networking, hypertext> (WWW, W3, The Web) An
          Internet client-server hypertext distributed information
          retrieval system which originated from the CERN High-Energy
          Physics laboratories in Geneva, Switzerland.
       
          An extensive user community has developed on the Web since its
          public introduction in 1991.  In the early 1990s, the
          developers at CERN spread word of the Web's capabilities to
          scientific audiences worldwide.  By September 1993, the share
          of Web traffic traversing the NSFNET Internet backbone
          reached 75 gigabytes per month or one percent.  By July 1994
          it was one terabyte per month.
       
          On the WWW everything (documents, menus, indices) is
          represented to the user as a hypertext object in HTML
          format.  Hypertext links refer to other documents by their
          URLs.  These can refer to local or remote resources
          accessible via FTP, Gopher, Telnet or news, as well as
          those available via the http protocol used to transfer
          hypertext documents.
       
          The client program (known as a browser), e.g. NCSA
          Mosaic, Netscape Navigator, runs on the user's computer
          and provides two basic navigation operations: to follow a
          link or to send a query to a server.  A variety of client
          and server software is freely available.
       
          Most clients and servers also support "forms" which allow the
          user to enter arbitrary text as well as selecting options from
          customisable menus and on/off switches.
       
          Following the widespread availability of web browsers and
          servers, many companies from about 1995 realised they could
          use the same software and protocols on their own private
          internal {TCP/IP} networks giving rise to the term
          "{intranet}".
       
          If you don't have a WWW browser, but you are on the
          Internet, you can access the Web using the command:
       
          	telnet www.w3.org
       
          (Internet address 128.141.201.74) but it's much better if you
          install a browser on your own computer.
       
          The World Wide Web Consortium is the main standards body for
          the web.
       
          {An article by John December
          (http://sunsite.unc.edu/cmc/mag/1994/oct/webip.html)}.
       
          {A good place to start exploring
         
       (http://www.ncsa.uiuc.edu/SDG/Software/Mosaic/StartingPoints/NetworkStartingPoints.html)}.
       
          {WWW servers, clients and tools
          (http://www.w3.org/hypertext/WWW/Status.html)}.
       
          Mailing list: <www-talk@www.w3.org>.
       
          Usenet newsgroups: {news:comp.infosystems.www.misc},
          {news:comp.infosystems.www.providers},
          {news:comp.infosystems.www.users},
          {news:comp.infosystems.announce}.
       
          The best way to access this dictionary is via the Web since
          you will get the latest version and be able to follow
          cross-references easily.  If you are reading a plain text
          version of this dictionary then you will see lots of curly
          brackets and strings like
       
          	{(http://hostname/here/there/page.html)}.
       
          These are transformed into hypertext links when you access it
          via the Web.
       
          See also Java, webhead.
       
          (1996-10-28)
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