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From: Jim Hendler <hendler@cs.umd.edu>
Date: Wed, 12 Feb 2003 11:59:28 -0500
Message-Id: <p05200f2aba702d49a0a0@[]>
To: webont <www-webont-wg@w3.org>

This comment, send to our public comments list talkin about Guide:

At 15:55 +0100 2/12/03, Ivan Herman wrote:
>Reviewing the OWL Guide version 1.0,
>As a reader NOT participating in the working group (ie, not being part
>of all the intricate discussions), the current document is very
>confusing on the issue on how OWL and RDFS relate. The impression one
>gets when reading the document is that OWL picks bits and pieces of the
>RDFS document for its own purposes (rdfs:subClassOf, rdfs:label, etc),
>but deliberately ignores or deprecates, for example, rdfs:Property or
>rdfs:Class by introducing owl:Class, owl:ObjectProperty, and owl:Thing,
>etc. I presume there is a clear model on how these notions relate to one
>another, but I am afraid the current document creates real confusion to
>the community. Adding a separate chapter describing the 'onion model' of
>concentric possibilities offered by RDFS and the various OWL dialect
>would be beneficial.

reflects the confusion in our current layering and raises a point we 
will have to handle -- I have sent him a reply pointing him at 
overview and ref, and mentioning we are working on this -- I believe 
we need to create a section for one of our documents, or that could 
appear separately on our website pointed to by our documents, that 
discusses this issue -- if we don't do it before LC, we can be sure 
to get comments like this and have to address it before we move 
further through the process

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)
Univ of Maryland, College Park, MD 20742	  240-731-3822 (Cell)
Received on Wednesday, 12 February 2003 11:59:34 UTC

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