The first meeting of the SIG took place on 15th June, 2001 at the
OntoWeb kick-off workshop in Heraklion, Crete. An
introduction to the SIG's aims and objectives
was presented by Ian Horrocks and Frank van Harmelen prior to the SIG
meeting proper.
Two invited talks were given at the SIG meeting. Peter Patel-Schneider
gave a talk entitled ``The Genesis of
DAML+OIL''
and Mike Dean gave a talk entitled ``Experiences with
DAML+OIL''.
The SIG members agreed on the following concrete actions to be taken by the SIG:
- Provide input to the DAML+OIL joint committee, the RDF Core
working group, and (later) the W3C working group on a web-ontology
language.
- First input from this meeting has already been incorporated in
an input-document to the RDF Core working group, to be found at
http://www.daml.org/listarchive/joint-committee/0505.html
(based on material from the presentation by Peter
Patel-Schneider).
- Further input from this meeting is the requirement to retrieve
all "relevant" or "applicable" properties for a given class. This
is a very natural operation in frame-based languages, but not so
in DL-based languages. It was widely felt that this is an
important device in modelling practice, and must be made possible
in DAML+OIL or its successors. The publication at
http://www.cs.man.ac.uk/~horrocks/Publications/download/2000/DL00-interfaces.ps.gz
provides a possible characterisation of such a feature in a DL
framework.
- Provide useability reports on various web-ontology languages,
such as RDF Schema, DAML+OIL and its successors. The
presentation by Mike
Dean
(see above) is the first example of such a useability report on
DAML+OIL.
- Provide challenge problems for web-ontology languages.
- Guus Schreiber provided three such challenge problems during the meeting:
- "generic classes" (roughly: classes that are not allowed to
have "direct" instances, i.e. instances that are not an instance
of any subclass).
- a flexible class/instance distinction
- default rules
Guus Schreiber will provide a short note on these and possibly
other such problems.
- The desription of Web-services (in the spirit of DAML-S) was
seen as another important source of challenge problems. Pasqualino
Assini is willing to lead this effort.
- Establish contacts with other relevant communities. People who
volunteered to be our "ambassadors" for a number of such communities
are:
List of participants:
-
- Ian Horrocks <horrocks@cs.man.ac.uk>
-
- Frank van Harmelen <Frank.van.Harmelen@cs.vu.nl>
-
- Peter Patel-Schneider <pfps@research.bell-labs.com>
-
- Harold Boley <boley@dfki.de>
-
- Mike Dean <mdean@bbn.com>
-
- Vojtech Svatek <svatek@vse.cz>
-
- Marin Dimitrov <marin.dimitrov@sirma.bg>
-
- Gerrit van der Veer <gerrit@acm.org>
-
- Jurgen Nicklisch-Franken <jnf@persistag.com>
-
- Christoph Wernhard <chw@persistag.com>
-
- Frank Nack <Frank.Nack@cwi.nl>
-
- Alexander Maedche <maedche@fzi.de>
-
- Enrico Motta <e.motta@open.ac.uk>
-
- Guus Schreiber <schreiber@swi.psy.uva.nl>
-
- Pasqualino Assini <titto@essex.ac.uk>
-
- Jeen Broekstra <jeen.broekstra@aidministrator.nl>
-
- Anna Formica <formica@iasi.rm.cnr.it>
-
- Oscar Corcho <ocorcho@fi.upm.es>
-
- Uwe Assmann <uwe.assmann@ida.liu.se>
Ian Horrocks
2003-10-28