- From: Ivan Herman <ivan@w3.org>
- Date: Sun, 15 Feb 2009 10:00:28 +0100
- To: "Peter F. Patel-Schneider" <pfps@research.bell-labs.com>
- CC: public-owl-wg@w3.org
- Message-ID: <4997D9AC.70509@w3.org>
O.k. +1, as we usually do it:-) Ivan Peter F. Patel-Schneider wrote: > From: Ivan Herman <ivan@w3.org> > Subject: Re: draft response for LC comment 26 (a and b) > Date: Sat, 14 Feb 2009 12:01:48 +0100 > >> >> Peter F. Patel-Schneider wrote: >>> Here is a draft response for all of the comment from Lilly (SS1a and >>> SS1b). I put them both together largely because no document changes are >>> being proposed (except for removing an extraneous word for Syntax, which >>> I have already done). >>> >>> The response for LC comment 37 could just point to this response. >>> >>> peter >>> >>> >>> [Response for LC Comment 26:] >>> >>> Dear Susie, >>> >>> Thank you for your message >>> http://lists.w3.org/Archives/Public/public-owl-wg/2009Jan/0033.html >>> on the OWL 2 Web Ontology Language last call drafts. >>> >> This is not the right link! I guess you meant: >> >> http://lists.w3.org/Archives/Public/public-owl-comments/2009Jan/0033.html >> >> (comments vs. wg:-) > > Ooops. Fixed on the Wiki page. > >>> 1/ Concerning OWL 2 Profiles: >>> >>> The OWL 2 effort was designed to extend the constructs of OWL to >>> encompass those that users had asked for, that researchers could >>> specify, and that implementers had or could implement. It is thus >>> definitely the case that OWL 2 is supported by research. However, the >>> driving force was much more users and implementers. >>> >>> The OWL profiles had a similar genesis. If the driving force behind the >>> OWL profiles was primarily research, then there could have been many >>> more profiles, and the profiles would have had a different focus. >>> >>> This is particularly the case for OWL RL. OWL RL is designed to capture >>> the essence of several partial implementations of OWL functionality by >>> means of forward chaining rules. Previously all that could be said >>> about these implementations was that they were partial implementations >>> of OWL. OWL RL provides a much more complete characterization for >>> rule-based implementations of OWL. Yes, there are formal results >>> underlying OWL RL, but these formal results are descriptive of the >>> extant implementations instead of being driving forces for the design of >>> OWL RL. >>> >>> OWL EL and OWL QL also do have a formal basis. However they again are >>> attempts to capture existing implementation techniques and existing >>> ontologies. >>> >>> In any case, the OWL 2 profiles are simply there for those who may be >>> interested taking exploiting desirable characteristics of >>> implementations of the profiles. If one does not care about these, >>> there is no need to consider the profiles at all. >>> >>> The OWL WG does not intend to make any changes in response to this >>> part of your message. >>> >> Although I do not disagree with what you write, I wonder whether we >> should not hold off with this part of the response, until the situation >> with QL becomes final. I had some comments, Uli is currently in >> discussion with the DL Lite experts, and that may lead to changes on QL. >> Maybe those changes will also be influenced by her remark on "very >> challenging to teach system developers to use new OWL2, in particular, >> identifying different subsets of OWL2 for developers with limited logic >> background." This remark certainly came up in the discussions with Uli >> and the other experts... >> >> Ivan > > I don't see that changes to QL are particularly germane here. They > might be additional evidence that we are not completely beholden to some > secret cabal of DL theorists, but there is lots of other evidence > supporting the WG's independence, particularly related to RL. I don't > think that any more is needed to response to this mostly positive > comment. > > > peter -- Ivan Herman, W3C Semantic Web Activity Lead Home: http://www.w3.org/People/Ivan/ mobile: +31-641044153 PGP Key: http://www.ivan-herman.net/pgpkey.html FOAF: http://www.ivan-herman.net/foaf.rdf
Received on Sunday, 15 February 2009 09:01:02 UTC