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Re: need to determine what RDF is

From: Dan Brickley <danbri@w3.org>
Date: Thu, 30 May 2002 11:31:30 -0400 (EDT)
To: "Peter F. Patel-Schneider" <pfps@research.bell-labs.com>
cc: <bwm@hplb.hpl.hp.com>, <www-rdf-comments@w3.org>, <em@w3.org>, <w3c-semweb-cg@w3.org>
Message-ID: <Pine.LNX.4.30.0205301130240.26121-100000@tux.w3.org>

On Thu, 30 May 2002, Peter F. Patel-Schneider wrote:

> From: Dan Brickley <danbri@w3.org>
> Subject: Re: need to determine what RDF is
> Date: Thu, 30 May 2002 11:21:36 -0400 (EDT)
> >
> > My take in a nutshell. The core problem (our 'rdfms-assertion' issue, on
> > my reading)
> >
> > RDFCore 1.0 RDF/XML documents have propositional content; they represent
> > 'claims about the world'. What factors fix this content, ie. what
> > is relevant when we set about considering whether some bundle of these
> > RDF/XML-represented propositions are true or not?
> >
> > I don't think there is a simple answer. I wish there were...
> >
> > Dan
> Hmm, this is not really what I was getting at, as it includes lots of
> issues about the relationship between RDF graphs and the real world.
> I'm only interested in relationships between RDF graphs.  Which such
> relationships are RDF relationships?
> My view is that the only such relationships are RDF entailment and RDFS
> entailment.  Any agent that computes any other relationship between RDF
> graphs is not doing RDF.  (Well, actually, I suppose that an agent could be
> determining whether two RDF graphs RDF entail each other, which is
> different from RDF entailment, but I think that you should be able to get
> my drift.)

Aha. Thinks are clicking into place now!

I need to think more about this, but I'm understanding much better how
we may be talking past each other.


Received on Thursday, 30 May 2002 11:32:13 UTC

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