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  <title>W3C Semantic Web: Resource Description Framework (RDF) Interest
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<p><a href="/"><img border="0" src="/Icons/WWW/w3c_home" alt="W3C" /></a><a
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<p align="center"><a href="/RDF/">RDF</a> | <a
href="http://www.w3.org/RDF/IGcharter">Interest Group Charter</a> | <a
href="http://lists.w3.org/Archives/Public/www-rdf-interest/">RDF IG Mail
Archives</a> | <a
href="http://lists.w3.org/Archives/Public/www-rdf-logic/">RDF-Logic</a> | <a
href="#irc">IRC chat</a></p>

<h1>RDF Interest Group 1999-2004</h1>

<p><strong>News!:</strong></p>
<ul>
  <li>The RDF IG has been relaunched as a <a
    href="/2001/sw/interest/">Semantic Web Interest Group</a> (SWIG)</li>
  <li><a href="#meetings">RDF IG meeting</a>, 26-27 Feb 2001, Cambridge MA,
    USA</li>
</ul>

<p>This was the home page for the RDF Interest Group from 1999-2004. The
group was established in August 1999 as an open forum for W3C Members and
non-Members to discuss issues relating to W3C's Resource Description
Framework. It was preceded by the PICS Interest Group, and is succeeded by
the <a href="/2001/sw/interest/">Semantic Web Interest Group</a>.</p>

<p>The remainder of this page may be somewhat dated, but is left here for
historical interest.</p>
<hr />

<p>Contents: <a href="#scope">scope</a> | <a href="#docs">documents</a> | <a
href="#discussion">mailing lists</a> and <a href="#irc">IRC chat</a> tools</p>

<p>Nearby: <a href="/2001/sw/">Semantic Web Activity</a> | <a
href="/RDF/">RDF home</a> | <a href="/PICS/">PICS</a>| <a
href="/2000/01/sw/">Semantic Web Development</a> | <a
href="/Collaboration/">Collaboration and Annotation</a></p>
<a id="scope" name="scope"></a>

<h3>Issues and Scope</h3>

<p>The RDF Interest Group provides a forum for discussion of a wide range of
RDF-related activities and issues. From the <a
href="http://www.w3.org/RDF/IGcharter">charter</a>:</p>

<blockquote>
  ...the Interest Group will explore the application of W3C metadata
  technology in the context of the social, legal, and technological issues
  surrounding Internet content selection, filtering, labelling, signing,
  quality assurance etc. Other topics in scope for the Interest Group include
  RDF query in the context of the <a href="/DesignIssues/Semantic">Semantic
  Web roadmap</a>, intellectual property rights, <a href="/P3P">P3P</a>, and
  <a href="/ECommerce">electronic commerce</a>.</blockquote>
<a name="meetings" id="meetings"></a>

<h3>Meetings</h3>

<p>The RDF Interest Group met 26-27 February 2001 as part of the <a
href="http://www.w3.org/2001/02/allgroupoverview.html">Technical Plenary and
WG Meeting Event</a> (Royal Sonesta Hotel, Cambridge, Massachusetts USA). IG
members may also attend the all-groups plenary on Wednesday 28th February.
(<a
href="http://lists.w3.org/Archives/Public/www-rdf-interest/2001Jan/0107.html">announcement</a>).</p>

<p>The <a href="http://www.w3.org/2001/02/rdfig-f2f/">RDF IG meeting page</a>
contains further details, and will link to minutes etc as they become
available. <em>A meeting report is (over)due from the <a
href="mailto:danbri@w3.org">chair</a>; expected by early April.</em></p>
<a id="docs" name="docs"></a>

<h3>Documents</h3>

<p>The <a href="/RDF/">RDF home page</a> tracks most RDF developments. Here
we list a few documents and proposals circulated in particular to the RDF IG
community.</p>

<p>While the RDF Interest Group is free to explore any topics and concerns,
the conclusions of the <a href="/TR/1999/NOTE-schema-arch-19991007">Cambridge
Communiqué</a> may help guide discussion:</p>

<blockquote>
  <ul>
    <li>8. A new simplified XML transfer syntax for RDF and an API for
      accessing RDF data models should be produced. The RDF 1.0 transfer
      syntax remains a W3C Recommendation and applications are free to
      continue to use it.</li>
  </ul>
</blockquote>

<h4>Spec-related</h4>
<ul>
  <li><a href="http://www.w3.org/2000/03/rdf-tracking/">RDF Interest Group -
    Issue Tracking</a> (<a
    href="http://lists.w3.org/Archives/Public/www-rdf-interest/2000Sep/0025.html">announcement</a>)</li>
  <li><a href="http://www.w3.org/2000/09/rdfmodel/">discussion strawman: RDF
    Data Model Summary</a> (excerpted from <a
    href="http://www.w3.org/TR/REC-rdf-syntax/">M+S REC</a>, see <a
    href="http://lists.w3.org/Archives/Public/www-rdf-interest/2000Sep/0072.html">announcment</a>).</li>
  <li><a href="/2000/10/rdf-tests/">RDF test files</a></li>
  <li>RDF and XLink:
    <ul>
      <li><a href="http://www.w3.org/TR/xlink2rdf/">Harvesting RDF Statements
        from XLinks</a> W3C Note 29 September 2000, Ron Daniel Jr. (<a
        href="http://lists.w3.org/Archives/Public/www-rdf-interest/2000Jun/0071.html">announcement</a>)</li>
      <li><a href="http://slow1.w3.org/2000/02/rdf-xlink/">(rough) Notes on
        RDF, Xlink as linked information systems</a>, Dan Brickley</li>
      <li>see also <a href="http://www.w3.org/TR/xlink-naming/">XLink Markup
        Name Control</a>, W3C Note 24 October 2000, which describes the use
        of XML Schema for representing linking constructs in XML markup</li>
    </ul>
  </li>
</ul>

<h4>RDF APIs</h4>

<p>There has been a lot of discussion and implementation around the topic of
RDF APIs. Some key references are...</p>
<ul>
  <li>RADIX, <a
    href="http://www.mailbase.ac.uk/lists/rdf-dev/1999-06/0002.html">A
    proposal for an RDF API</a>, Ron Daniel (June 1999)</li>
  <li><a
    href="http://www.mailbase.ac.uk/lists/rdf-dev/1999-11/0002.html">RADIX
    RDF API revisited</a> (Nov 1999 overview)</li>
  <li>An <a href="http://www-db.stanford.edu/~melnik/rdf/api.html">RDF API
    Draft</a> from Sergey Melnik, Stanford databases group, submitted for
    discussion and collective development to www-rdf-interest</li>
  <li><a href="http://www.mozilla.org/rdf/doc/">Mozilla RDF</a>: <a
    href="http://www.mozilla.org/rdf/back-end-architecture.html">architecture
    and API design</a>, <a
    href="http://www.mozilla.org/rdf/doc/faq.html">FAQ</a>, <a
    href="http://www.mozilla.org/rdf/doc/api.html">overview</a> and <a
    href="http://lxr.mozilla.org/mozilla/source/rdf/base/idl/">XPCOM-IDL
    interfaces</a>.</li>
  <li><a href="http://nestroy.wi-inf.uni-essen.de/rdf/sum_rdf_api/">Summary
    of RDF API discussions</a>, Peter Hannappel</li>
  <li><a href="http://www.w3.org/RDF/#link-jena">Jena</a>, a Java API for
  RDF</li>
  <li><a href="http://www.w3.org/RDF/#link-redland">Redland</a>, includes a
    proposal for a C API</li>
</ul>

<h4>RDF Model</h4>
<ul>
  <li><a
    href="http://nestroy.wi-inf.uni-essen.de/rdf/logical_interpretation/index.html">A
    Logical Interpretation of RDF</a>, Wolfram Conen and Reinhold Klapsing.
    <a
    href="http://lists.w3.org/Archives/Public/www-rdf-interest/2000Aug/0122.html">posted
    Sat, Aug 26 2000</a></li>
  <li><a
    href="http://public.research.mimesweeper.com/RDF/RDFContexts.html">Contexts
    for RDF Information Modeling</a>, Graham Klyne. <a
    href="http://lists.w3.org/Archives/Public/www-rdf-interest/2000Sep/0028.html">posted
    Tue, Sep 05 2000</a>.</li>
  <li>see also: <a href="/DesignIssues/">Design Issues</a> and the various
    issue summaries linked from the <a
    href="http://www.w3.org/2000/03/rdf-tracking/">RDF Issue Tracking</a>
  page</li>
</ul>

<h4>RDF Syntax</h4>
<ul>
  <li><a href="/DesignIssues/Syntax.html">A strawman Unstriped syntax for RDF
    in XML</a>, Tim Berners-Lee</li>
  <li><a href="http://www-db.stanford.edu/~melnik/rdf/syntax.html">Simplified
    Syntax for RDF</a>, Sergey Melnik.</li>
  <li><a href="/2000/09/XGraph">Research notebook on edge-labelled graphs in
    XML</a>, Dan Brickley (<a
    href="http://lists.w3.org/Archives/Public/www-rdf-interest/2000Sep/0039.html">posted
    Wed, Sep 06 2000</a> )</li>
  <li><a
    href="http://www.openhealth.org/RDF/rdf_Syntax_and_Names.htm">Serializing
    RDF and edge labelled graphs in XML</a>, Jonathan Borden (<a
    href="http://lists.w3.org/Archives/Public/www-rdf-interest/2000Sep/0075.html">posted
    Fri, Sep 08 2000</a> )</li>
</ul>

<h4>Services and Query languages</h4>

<p><a href="http://www.w3.org/TandS/QL/QL98/pp.html">QL'98 position
papers</a> on RDF query:</p>
<ul>
  <li><a href="http://www.w3.org/TandS/QL/QL98/pp/rdfquery.html">RDF Query
    Specification</a>, Ashok Malhotra, Neel Sundaresan (IBM)</li>
  <li><a href="http://www.w3.org/TandS/QL/QL98/pp/enabling.html">Enabling
    Inferencing</a>, R.V. Guha (Netscape), Ora Lassila (Nokia), Eric Miller
    (OCLC), Dan Brickley (Bristol).</li>
  <li><a href="http://www.w3.org/TandS/QL/QL98/pp/metalog.html">Query +
    Metadata + Logic = Metalog</a>, Massimo Marchiori, Janne Saarela (W3C).
    See also <a href="/RDF/Metalog/">metalog implementation</a></li>
</ul>

<p>Migrating <a href="/PICS/">PICS</a> label bureau to RDF:</p>
<ul>
  <li><a href="http://www.w3.org/1999/11/02-RDFServices/">RDF Description
    Services</a> (23rd Nov 1999)</li>
</ul>
<a id="discussion" name="discussion"></a>

<h3>RDF IG mailing list(s)</h3>

<p>The RDF community is encouraged to adopt the interest group's mailing
list, <a
href="http://lists.w3.org/Archives/Public/www-rdf-interest/">www-rdf-interest@w3.org</a>
as the primary mailing list for discussion of RDF-related matters. See the <a
href="http://www.w3.org/RDF/IGcharter">Interest Group charter</a> for more
details of the role and scope of the interest group. Public <a
href="http://lists.w3.org/Archives/Public/www-rdf-interest/">archives</a> of
the <code>www-rdf-interest</code> list are available.</p>

<p>To <strong>subscribe</strong>to the mailing list, send a message:</p>
<pre><code>To: www-rdf-interest-request@w3.org
    Subject: subscribe</code></pre>

<p>(to <strong>unsubscribe</strong>, send a msg with <code>subject:
unsubscribe</code> to the same address)</p>

<p><em>Note: do not use your mail tool's 'reply' function to attempt to
construct one of these -request messages. The subject line must not include
"Re:" nor should the body include extraneous mail addresses. If you try to
get fancy you will only cause the list robot's heuristics to break and the
message will be bounced to a human who may or may not ever get around to
reading it.</em></p>

<p>To send to the list, use the address <a
href="mailto:www-rdf-interest@w3.org">www-rdf-interest@w3.org</a>.</p>

<p>The more specialised <a
href="http://lists.w3.org/Archives/Public/www-rdf-logic/">RDF-Logic</a> list
can be accessed in the same fashion (<a
href="http://lists.w3.org/Archives/Public/www-rdf-logic/2000Sep/0000.html">announcement</a>).
Similarly, the <a
href="http://lists.w3.org/Archives/Public/www-rdf-calendar/">www-rdf-calendar</a>
list is available for Semantic Web developers working on calendaring and
scheduling tools based on XML/RDF (<a
href="http://lists.w3.org/Archives/Public/www-rdf-calendar/2001Apr/0001.html">announce</a>)</p>

<p>The archives of the RDF IG can be searched using this Web form...</p>

<form method="get" action="http://search.w3.org/Public/cgi-bin/query">
  <input type="hidden" name="mss" value="simple" /><input type="hidden"
  name="pg" value="q" /><input type="hidden" name="what" value="web" /><input
  type="hidden" name="fmt" value="." />Search
  <select name="filter">
    <option value="all" selected="selected">W3C site and public mailing lists
    archives</option>
    <option value="w3c">W3C site only</option>
    <option value="lists">W3C public mailing lists archives only</option>
  </select>
   <br />
  <input type="text" size="30" name="q" maxlength="800"
  value="+www-rdf-interest " />
  <input type="submit" value="Submit" alt="search" name="search" /></form>

<h3>Other lists</h3>

<p>There are a lot of mailing lists hosted by W3C. <a
href="http://www.w3.org/Mail/">Further information</a> is available on
these.</p>

<p>The (defunct) RDF-DEV list has its own <a
href="http://www.ilrt.bris.ac.uk/discovery/rdf-dev/">home page</a> and <a
href="http://www.ilrt.bris.ac.uk/discovery/rdf-dev/roads/">resources
guide</a>. Since 1999-10-22, new members of RDF-DEV are being redirected to
the RDF Interest Group mailing list by the <a
href="mailto:daniel.brickley@bristol.ac.uk">listowner</a>, to encourage
convegence between the RDF-DEV and RDF IG communities.</p>

<p>There has been a fair amount of discussion on the <a
href="http://lists.w3.org/Archives/Public/www-rdf-comments/">www-rdf-comments</a>
list, whose main purpose is feedback and comments on the RDF Specifications.
The <a href="http://www.mozilla.org/rdf/doc/">Mozilla RDF</a> forum has also
been the focus of some general RDF-related discussions.</p>
<a name="irc" id="irc"></a>

<h4>#RDFIG - Internet Relay Chat (IRC) for Semantic Web Developers</h4>

<p>Member of the RDF developer community can also augment mailing-list
discussions with real time Internet chat tools. IRC is one such tool. There
are a number of public IRC servers in existence: while W3C doesn't itself run
such a server for general developer discussions, members of the Interest
Group can often be be found on the <a
href="http://freenode.net/">FreeNode</a> (formerly OpenProjects) IRC Network
(channel #rdfig for general RDF IG discussion).</p>

<p>IRC Connection details for #RDFIG:</p>
<ul>
  <li>server: irc.freenode.net, port 6667, <a
    href="irc://irc.freenode.net:6667/rdfig">channel #rdfig</a></li>
</ul>

<h4>Collaboration: IRC Tools and Logs</h4>

<p>The <a href="http://rdfig.xmlhack.com/">RDF Interest Group IRC
Scratchpad</a>, a Web-based recommendation and annotation system, has been
created by Edd Dumbill of XMLhack. The Scratchpad selectively logs comments
made on the IRC channel, and is operated by an IRC bot
'<code>dc_rdfig</code>' (see <a href="http://usefulinc.com/chump/">chump</a>
instructions and source code release for more details). A <a
href="http://rdfig.xmlhack.com/search/">full text search</a> facility and <a
href="http://rdfig.xmlhack.com/index.rss">RSS feed</a> are available, as are
the source XML files generated by the tool. Libby Miller has made an <a
href="http://swordfish.rdfweb.org/discovery/2001/04/rdfig/">RDF-based search
facility</a> for the RSS blog data. ILRT's <a
href="http://ilrt.org/discovery/rdf/">RDF at a Glance</a> page shows one use
of the RSS data.</p>

<p>Complete <a href="http://ilrt.org/discovery/chatlogs/rdfig/">public
logs</a> of the discussions on the #rdfig channel are also available (in
text, html and rdf flavours), thanks to Dave Beckett of ILRT. These logs are
created by the '<code>logger</code>' bot, which also offers search facilities
(use: <code>/msg logger help</code> for more info).</p>

<p><strong>Please note</strong>: IRC-hosted discussion should be considered
public (insecure, loggable etc). IRC chats are not considered a formal
mechanism for RDF Interest Group communications and discussion; it may be
useful to circulate summaries of IRC discussion to the archived RDF IG
mailing lists.</p>

<p>IRC Resources: <a href="http://irchelp.org/">IRC Help</a>, <a
href="http://irc.org/">IRC.org</a>, <a
href="http://freenode.net/">OpenProjects IRC</a> (please read <a
href="http://freenode.net/using_the_network.shtml">Fbout freenode: using the
network</a>).</p>
<hr />

<p><em><a href="/People/DanBri/">Dan Brickley</a>, W3C/ILRT, RDF Interest
Group Chair<br />
Last updated: $Date: 2005/12/08 13:28:13 $</em></p>

<h3>Recent changes (CVS log)</h3>
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$Log: Overview.html,v $
Revision 1.39  2005/12/08 13:28:13  swick
escape non-markup

Revision 1.38  2005/12/08 13:27:26  swick
fix markup; must have \n after &lt;pre&gt; if CVS tag follows

Revision 1.37  2005/02/04 16:41:56  danbri
(danbri) Changed through Jigsaw.

Revision 1.36  2004/02/26 19:53:54  danbri
links to new swig page

Revision 1.35  2003/01/15 13:20:28  danbri
Fixed freenode references.

Revision 1.34  2001/11/29 03:15:08  swick
Add an emphatic statement about not using 'reply' for subscribe/unsubscribe
messages.

Revision 1.33  2001/11/28 21:37:56  danbri
added unsubscribe instructions

Revision 1.32  2001/07/11 16:33:48  danbri
added libby's rss search link for irc blog data

Revision 1.31  2001/04/11 09:10:49  danbri
fixed bad markup
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