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Re: RDF Issue rdfms-identity-of-statements

From: Seth Russell <seth@robustai.net>
Date: Mon, 11 Mar 2002 14:50:04 -0800
Message-ID: <010301c1c94f$16573d60$657ba8c0@c1457248a.sttls1.wa.home.com>
To: <GK@Dial.pipex.com>, "Brian McBride" <bwm@hplb.hpl.hp.com>
Cc: <www-rdf-comments@w3.org>
What final decision (if any) was made about the other question?

Does the triple
<subject> <predicate> <object>.
entail:
   _:s <rdf:type> <rdf:Statment> .
   _:s <rdf:subject> <subject> .
   _:s <rdf:predicate> <predicate> .
   _:s <rdf:object>    <object> .

as per yours of:
http://lists.w3.org/Archives/Public/w3c-rdfcore-wg/2002Feb/0202.html

Seth Russell

----- Original Message -----
From: "Brian McBride" <bwm@hplb.hpl.hp.com>
To: <GK@Dial.pipex.com>
Cc: <www-rdf-comments@w3.org>
Sent: Monday, March 11, 2002 6:50 AM
Subject: RDF Issue rdfms-identity-of-statements


> ,
> In
>
>    http://lists.w3.org/Archives/Public/www-rdf-interest/2000Sep/0032.html
>
> you raised an issue which was captured in
>
>    http://www.w3.org/2000/03/rdf-tracking/#rdfms-identity-of-statements
>
> as
>
> [[[
> There is a question whether or not there can be two different statements
> with the same subject, object and property. Most people seem to say "no".
I
> have suggested that this should be allowed because it can be expressed in
> reified RDF statements and that there should be a 1:1 correspondence
> between what can be expressed in an RDF model and its reification.
> ]]]
>
> As recorded in
>
>    http://lists.w3.org/Archives/Public/w3c-rdfcore-wg/2002Feb/0476.html
>
> the RDFCore WG has resolved:
>
>     <stmt1> <rdf:type> <rdf:Statement> .
>     <stmt1> <rdf:subject> <subject> .
>     <stmt1> <rdf:predicate> <predicate> .
>     <stmt1> <rdf:object> <object> .
>
>     <stmt2> <rdf:type> <rdf:Statement> .
>     <stmt2> <rdf:subject> <subject> .
>     <stmt2> <rdf:predicate> <predicate> .
>     <stmt2> <rdf:object> <object> .
>
>     <stmt1> <property> <foo> .
>
>     does not entail:
>
>     <stmt2> <property> <foo> .
>
> This is a formal way of saying that two reified statements with the same
> subject, predicate and object can be different resources.
>
> Please could you respond to this message, copying www-rdf-comments@w3.org
> indicating whether this is an acceptable resolution of this issue.
>
> Brian McBride
> RDFCore co-chair
>
>
Received on Monday, 11 March 2002 18:40:04 GMT

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