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Re: model theory for RDF/S

From: Pat Hayes <phayes@ai.uwf.edu>
Date: Thu, 27 Sep 2001 22:52:12 -0500
Message-Id: <p0510101eb7d9a3c598e6@[]>
To: Dan Connolly <connolly@w3.org>
Cc: www-rdf-logic@w3.org
>"Peter F. Patel-Schneider" wrote:
>>  I am concerned that this model theory locks RDF into a particular
>>  way of interpreting literals, namely that the interpretation of a literal
>>  can be completely determined from its label, using a fixed mapping to
>>  literal values.
>I believe this is by design. It's an important requirement on
>RDF syntax that it be "context free"... i.e. that this
>level of meaning is syntactically evident.

Context free, right, but that 'syntactically evident' may depend on 
more than a simple label, as far as the model theory is concerned. 
The MT is (deliberately) agnostic about the exact nature of lexical 
items in any particular lexicalization.


>Hmm... I thought this requirement was pretty well documented,
>but I don't see it in
>   http://www.w3.org/TR/1999/REC-rdf-syntax-19990222/
>Dan Connolly, W3C http://www.w3.org/People/Connolly/

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Received on Thursday, 27 September 2001 23:52:15 UTC

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