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Re: S&AS review: general remarks

From: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
Date: Wed, 26 Mar 2003 12:09:04 -0500 (EST)
Message-Id: <20030326.120904.07080419.pfps@research.bell-labs.com>
To: herman.ter.horst@philips.com
Cc: www-webont-wg@w3.org

From: herman.ter.horst@philips.com
Subject: S&AS review: general remarks
Date: Wed, 26 Mar 2003 15:07:13 +0100

> OWL - Semantics and Abstract Syntax
> Version of 20 March 2003


> The S&AS document to be reviewed has no Section 4.3 on
> RDF descriptions of OWL DL and OWL Lite.
> I believe that if WebOnt decides to go to last call without this
> section in the S&AS document, then the clear intention should be 
> confirmed to add this section later to the document.
> Strictly speaking, as I noted earlier, the S&AS document without
> Section 4.3 is not consistent with the RDF Semantics spec,
> which requires that:
> >Specifications of such syntactically restricted semantic 
> >extensions MUST include a specification of their syntactic 
> >conditions which are sufficient to enable software to 
> >distinguish unambiguously those RDF graphs to which the 
> >extended semantic conditions apply. 

I do not believe that this is necessary for OWL.  First, OWL Full includes
all RDF graphs, so it is not a syntactically-restricted semantic
extension.   Second, OWL DL does have a specification that I believe meets
the requirements.


> Herman ter Horst


Received on Wednesday, 26 March 2003 12:09:16 UTC

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