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Re: RDFS closures, polite discourse

From: Dan Connolly <connolly@w3.org>
Date: 06 Jun 2003 15:03:56 -0500
To: Christopher Welty <welty@us.ibm.com>
Cc: www-webont-wg@w3.org, Pat Hayes <phayes@ai.uwf.edu>
Message-Id: <1054929836.8234.3451.camel@dirk.dm93.org>

On Fri, 2003-06-06 at 14:01, Christopher Welty wrote:
> Dan,
> I find Peter's comments useful and directly to the point.  RDFS not
> decidable.

No? What makes you think not?

>   I don't believe I've ever heard Pat claim otherwise.  

Yes, he has. to wit...

"RDFS Entailment Lemma. S rdfs-entails E iff the rdfs-closure of S
simply entails E."

 -- RDF Semantics
W3C Working Draft 23 January 2003
        Patrick Hayes


Dan Connolly, W3C http://www.w3.org/People/Connolly/
Received on Friday, 6 June 2003 16:03:25 GMT

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