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Re: namedNode? in predicate position?

From: pat hayes <phayes@ai.uwf.edu>
Date: Thu, 30 Aug 2001 12:22:17 -0700
Message-Id: <v0421010ab7b440cc0607@[130.107.66.237]>
To: Brian McBride <bwm@hplb.hpl.hp.com>
Cc: w3c-rdfcore-wg@w3.org
>There seems to be some divergence of view on this.  Lets make it an issue.
>
>Does the model theory take a position on prince arcs?

Prince ARCs?? Yes. Its position right now is they are illegal (same 
as N-triples, was my understanding). However, it could allow them if 
you really want them, nothing much would need to be changed.

Pat

>
>Brian
>
>Dave Beckett wrote:
> >
> > >>>jos.deroo.jd@belgium.agfa.com said:
> > > while at next telecon agenda items,
> > > what about the N-triples/MT related questions
> > > 1. predicate ::= uriref  versus predicate ::= uriref | namedNode?
> >
> > Does RDF allow, let's call it, non-URI-ref for predicates?
> > I don't think so, at present.  In the graph model in the original
> > M&S, predicates are arrows with URIs, they are never empty circles.
> >
> > > 2. why do we use the term namedNode for a node which is in fact 
>not named?
> >
> > It was anonNode - which was probably worse, so I changed it.
> > How about princeNode?
> >
> > It is just a token in the N-Triples grammar and if it will reduce any
> > implied meaning by changing the characters of the token, let's do it.
> >
> > > ps question 1 is in fact related with the problem to write
> > >    e.g. the following N-triples
> > >      <#a> _:x <#d>.
> > >      _:x <#b> <#c>.
> > >    in RDF/XML syntax
> > >    Jeremy/Dave, do you have trouble with that?
> >
> > Well at present I say it is illegal N-Triples.
> >
> > Dave

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Received on Thursday, 30 August 2001 15:21:09 EDT

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