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Libby Miller sends notes from the WW2002 conference in Hawaii.

WWW2002 [1] was the 11th annual World Wide Web Conference, held this year in Tourist Hell (Waikiki), Hawaii. WWW2002 ran over three days, with 10 refereed tracks including one on the Semantic Web, and six 'alternate' tracks. All the papers from the conference are available online in html [2]. You might also like to look at the RDF Interest group chatlogs and blog pages for the days covering the conference [3] and I also have some photos [4] as does Dave Beckett [5].

I'm a Semantic Web researcher at ILRT, with particular interests in RDF query languages and calendaring. I'm currently employed on the just-started SWAD-Europe project [14], an EC-funded project which extends W3C's Semantic Web Advanced Development [swad] in Europe. I therefore chose a certain subset of the parallel talks to do with the Semantic Web, although the conference convered a wide range of topics - for example education, web engineering, wireless, e-commerce.

Here's a quick run through of the parts of the conference I attended.

Wednesday

The first day I attended was Wednesday 8th. I went to the plenary session [6]. Tim Berners-Lee did a nice speech explaining the importance of patent-free infrastructure for the web [7], [edd]. Then in the Semantic Web Service track I went to a talk about extending XQuery for implementing web services [8], which seemed to be an entire programming language.

In the afternoon there was a W3C track on the Semantic Web, which basically meant reports back from the working group chairs of RDFCore and Webont (respectively Brian McBride and Jim Hendler), plus some information about W3C SWAD activity, and so SWAD-Europe, by Ralph Swick [9]. There was also a nice demo of R.V.Guha's TAP system [10] which illustrates cross searching of google and W3C-specific data sources, such as people, working group documents (example [11]).

After that was a poster session, and after that, a birds of a feather meeting about Semantic Web tools, chaired by the chair of RDFCore, Brian McBride of HP Labs Bristol. It was very interesting to listen to the Semantic Web interests of the 30-odd people who were there.

Thursday

Thursday I went to the Global Community track to see Charles McCathieNevile of W3C present a paper which described among other things the principles behind the design of SWAD-Europe [12]. Charles did a great job, despite being drowned out by the presentation next door, and there was lots of interest in the paper.

Thursday afternoon I started in the Semantic Web panel, which seemed rather mired in business-related aspects of the Semantic Web, rather than the interesting-to-me technical aspects. Then I got tipped off on IRC that Dean Jackson was presenting a very interesting series of SVG demos. Dean's demos aren't all available yet [dean], but he helped me hack a version of one of them for the codepiction database [13] which gives you a flavour of the quality of them (although my version is much uglier). Another demo was Max Froumentin's XSLT/SVG Chess demo [14] which is amazing. Dean's session was part of 'cool web' session, and was very well received. I was thinking 'I'm in the wrong business'.

Friday

Friday, the main session for me was query langauges for the Semantic Web. RQL had a paper [15]; there was also an interesting talk on a peer to peer system for Education resources (Edutella), which had several levels of query langauges [16]. Finally there was one about mapping part of XSLT to SQL, which was interesting because it was by very clever database people and because ideas in it might be stealable for RDF (because it uses unordered, graph structure to represent the query) [17]. Later I went to see my colleague Dave Beckett give his talk [18] on WSE - scalable RDF searching. It was very well-received.

Saturday

Saturday was Developer Day [19]. There was a session on the Semantic Web, with lots of demos, including a talk from a Rob Corell from Adobe, on their implementation of a subset of RDF, called XMP [20]; a talk by Emmanuel Pietriga [21] about his vizualisation system for RDF data, IsaViz; Mike Dean [22], excellent as ever, creating tons of data for Semantic Web using screen scraping techniques. I demoed RDFAuthor [23] on behalf of Damian Steer (RDFAuthor is being used for a front end to the MEG [meg] project, collaborating with UKoln and working with Dave Beckett of ILRT), I also showed the codepiction [24] work I've been doing with Dan Brickley and Damian. There were 200+ people in a huge room.

In the afternoon I was working on some slides for a presentation in Luxembourg, so missed demos on Haystack and Annotea, the W3C's annotations system. There is plenty on IRC about them though [25]. People were very impressed with Haystack, though it's not available yet, and will cost money.

I got back in just in time to see another demo of the codepiction work, and also the IRC 'chump bot' [26](a blogger that writes URLs from IRC to a webpage and enbles you to annotate them) on screen.

Impressions

There was a great deal of interest in the Semantic Web, especially on Developers' Day. But it was Dean Jackson's SVG demos that drew audible 'oohs' and 'aahs' from the crowd. SVG is a vector graphics format for the web described in XML. This means that it is extremely flexible and accessible. If you use it with Javascript, for example, you can create amazing flash-like interactive graphics which are also standards compliant.

A nice aspect of the conference was the wireless network throughout the buildings. With an 80 dollar 802.11 wireless card you had a fast connection to the internet thoughout the conference. This is becoming increasingly common at conferences I've been going to in the past year, and leads to all sorts of unusual things happening. Maybe the most fun example is the use of Internet Relay Chat (IRC) to recommend good presentations, report back about what was going on in different sessions, and for rude backchat about the speakers. The RDF Interest group has an IRC channel which also serves as a place for people to recommend and annotate webpages [26]. During the conference it was also used to describe the speeches that were going on and to recommend related links.

Other cool uses of the network included people creating immediate Weblogs about the conference as it was happening [blogs] and also uploading their pictures [4], [5], [pics].

References

  1. WWW2002 web site: http://www2002.org
  2. WWW2002 programme and links to papers http://www2002.org/program.html
  3. The RDF Interest Group Weblog ('chump')'s main page is here: http://rdfig.xmlhack.com/ . The pages for the dates of the conference are: http://rdfig.xmlhack.com/2002/05/08/2002-05-08.html to http://rdfig.xmlhack.com/2002/05/12/2002-05-12.html
  4. Libby's photos from the conference are here: http://swordfish.rdfweb.org/photos/2002/05/05/ - http://swordfish.rdfweb.org/photos/2002/05/12/
  5. Dave Beckett's photos from the conference are here: http://photos.dajobe.org/gallery/www2002-hawaii
  6. WWW2002 plenary session talks are linked from http://www2002.org/plenary.html
  7. Tim Berners-Lee's plenary talk is here: http://www.w3.org/2002/Talks/www2002-tbl/
  8. XL: An XML Programming Language for Web Service Specification and Composition: http://www2002.org/CDROM/refereed/481/
  9. Semantic Web Advanced Development by Ralph R. Swick & Dan Brickley http://www.w3.org/2002/Talks/0508-swad/
  10. The TAP website is here: http://tap.stanford.edu/
  11. A TAP example search for Eric Miller for the W3C http://tap.stanford.edu/cgi-bin/w3csearch.pl?q=eric+miller&sitesearch=w3.org&domains=w3.org
  12. The Role of Community in Technical Development: http://www2002.org/CDROM/alternate/725/
  13. A demo showing the use of SVG for an image database - Dean Jackson/Libby Miller http://swordfish.rdfweb.org/people/libby/rdfweb/paths/6degcodepict.svg
  14. Max Froumentin's SVG XSLT ChessGML demo http://people.w3.org/maxf/ChessGML/
  15. RQL: A Declarative Query Language for RDF http://www2002.org/CDROM/refereed/329/
  16. EDUTELLA: A P2P Networking Infrastructure Based on RDF http://www2002.org/CDROM/refereed/597/
  17. Translating XSLT Programs to Efficient SQL Queries http://www2002.org/CDROM/refereed/226/
  18. Web Crawling High-Quality Metadata using RDF and Dublin Core http://www2002.org/CDROM/alternate/747/
  19. WWW2002 Developers Day http://www2002.org/devday.html
  20. Adobe's XMP http://www.adobe.com/products/xmp/main.html
  21. IsaViz http://www.w3.org/2001/11/IsaViz/
  22. Work by Mike Dean: http://www.daml.org/people/mdean/
  23. Damian Steer's RDFAuthor http://rdfweb.org/people/damian/RDFAuthor/
  24. Codepiction 'paths' demonstrator http://swordfish.rdfweb.org/discovery/2002/02/paths/
  25. RDF interest Group IRC chatlogs from Developers' Day http://rdfig.xmlhack.com/2002/05/12/2002-05-12.html and http://ilrt.org/discovery/chatlogs/rdfig/2002-05-12.html
  26. The RDF Interest Group blogger page ('chump') http://rdfig.xmlhack.com
  27. Dean Jackson's SVG presentation [dean] http://www.w3.org/2002/Talks/www2002-SVG/
  28. [meg] The MEG registry http://www.ukoln.ac.uk/metadata/education/registry/intro.html
  29. [swad] W3C's Semantic Web advanced Deveopment: http://www.w3.org/2000/01/sw/
  30. [blogs] Weblogs from WWW2002 http://rdfig.xmlhack.com/2002/05/09/2002-05-09.html#1020972761.905195
  31. [pics] images from WWW2002 http://www2002.org/gallery/
  32. [edd] Notes from WWW2002: http://www.oreillynet.com/cs/weblog/view/wlg/1390

Author Details

  Libby Miller
Technical Researcher
ILRT
University of Bristol

Email: libby.miller@bristol.ac.uk
Web site: http://ilrt.org/discovery/

Date published: 
8 July 2002

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How to cite this article

Libby Miller. "WWW2002 Here". July 2002, Ariadne Issue 32 http://www.ariadne.ac.uk/issue32/www2002/


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