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Re: Proposed response to http://lists.w3.org/Archives/Public/public-webont-comments/2003May/0053.ht ml

From: Jim Hendler <hendler@cs.umd.edu>
Date: Tue, 17 Jun 2003 08:11:41 -0400
Message-Id: <p05200f0cbb14b5a2e96b@[]>
To: Sean Bechhofer <seanb@cs.man.ac.uk>, www-webont-wg@w3.org
Cc: Dan Connolly <connolly@w3.org>

Sean - This looks okay with me, however I'd be more comfortable if 
DanC would take a look at it as well.  If he's okay with it, send it. 
- JH

At 10:21 AM +0100 6/17/03, Sean Bechhofer wrote:
>Thanks for your comments[1].
>RDFCore are concerned about the clarity in the OWL specifications of what
>RDF is legal OWL DL and OWL lite.  This seems to be described only in S+AS
>which is a highly technical document and is likely to be inaccessible to
>many.  On reviewing the reference document some significant restrictions
>were not apparent to the RDFCore reviewer.  We cannot be confident,
>therefore, that other restrictions we would care about, have not been
>RDFCore requests that the specifications be amended to include a
>description of necessary conditions for a RDF document to be in OWL DL and
>OWL Lite.  This description should be as accurate as possible consistent
>with a goal of it being comprehensible to a majority of the community.
>Such a description may bring to light further issues.
>An appendix has been added to the OWL Reference Doc (Appendix E: Rules
>of Thumb for OWL Ontologies [2]). This appendix is intended to address
>precisely this issue: which RDF graphs are legal OWL DL and OWL
>Lite. Of course this is not intended as an normative description --
>the finer details are still contained within the S+AS. However, the
>appendix presents some general rules which, if followed, should ensure
>that graphs are legal DL/Lite. Rather than providing a formal
>characterisation of DL/Lite, one can view the philosophy of the rules
>as "if you follow these, you'll be ok.".
>Please respond, copying public-webont-comments@w3.org, as to whether
>you are satisfied with this response.
>Sean Bechhofer
>[2] http://www.daml.org/2002/06/webont/owl-ref-proposed#app-DLinRDF
>Sean Bechhofer

Professor James Hendler				  hendler@cs.umd.edu
Director, Semantic Web and Agent Technologies	  301-405-2696
Maryland Information and Network Dynamics Lab.	  301-405-6707 (Fax)
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Received on Tuesday, 17 June 2003 08:11:51 UTC

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