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Re: model theory for RDF/S

From: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
Date: Wed, 26 Sep 2001 16:47:07 -0400
To: phayes@ai.uwf.edu
Cc: champin@bat710.univ-lyon1.fr, www-rdf-logic@w3.org
Message-Id: <20010926164707S.pfps@research.bell-labs.com>
From: Pat Hayes <phayes@ai.uwf.edu>
Subject: Re: model theory for RDF/S
Date: Wed, 26 Sep 2001 14:57:37 -0500

> >Section 5:
> >in rules 3b and 4, bbb should be uuu
> >(or the produced triples may have a literal as subject or predicate)
> The N-triples notation does not allow literals to occur in the 
> property position, so these cases would give rise to errors in any 
> case; but I agree this could be expressed more clearly.

However, RDF graphs as defined in the document do not forbid literals from
appearing as subjects or predicates.  If you want to use N-triples to
represent RDF graphs, then you will have to restrict RDF graphs

Peter F. Patel-Schneider
Received on Wednesday, 26 September 2001 16:47:36 UTC

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