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Re: [Fwd: Jena semantic tests]

From: Jos De_Roo <jos.deroo@agfa.com>
Date: Mon, 28 Jul 2003 15:24:46 +0200
To: "Brian McBride <bwm" <bwm@hplb.hpl.hp.com>
Cc: rdf core <w3c-rdfcore-wg@w3.org>, Dan Connolly <connolly@w3.org>
Message-ID: <OFA4F2502A.E65E7CD9-ONC1256D71.00492D95-C1256D71.0049AF20@agfa.be>


Brian wrote:
>On Fri, 2003-07-25 at 18:16, Jos De_Roo wrote:
> > [...]
> > > > ** Failures - will not fix:
> > > > PositiveEntailmentTest
rdfms-seq-representation/Manifest.rdf#test004 -
> > FAIL
> > > > PositiveEntailmentTest
rdfms-seq-representation/Manifest.rdf#test002 -
> > FAIL
> > > >   These two tests assert that the empty document entails various
> > properties
> > > >   of _1. By my reading of the specs this is not correct, only
mentioned
> >
> > > >   container membership properties should result in such entailments
and
> > > >   there are no such mentions in the empty document.
> > >
> > > That's my understanding too. I haven't double-checked the text.
> > > I recommend changing the test.
> >
> > I was looking in the table of the "RDFS axiomatic triples" at
> > http://www.ihmc.us/users/phayes/RDF_Semant_Edit_Weak.html#rdfs_interp
> > and found that
> > rdf:_1 rdf:type rdfs:ContainerMembershipProperty .
> > is an RDFS axiomatic triple (following from the empty KB)
> > so test002 - OK
>
> No.

wow

> >From the semantics doc:
>
> [[
> The subset of rdfV consisting of the first 3 items in the above list,
> {rdf:type   rdf:Property rdf:XMLLiteral} is called the core RDF
> vocabulary, crdfV.
> ]]
>
> [[
> An rdfs-interpretation of V is an rdf-interpretation I of V union crdfV
> union rdfsV which satisfies the following semantic conditions and all
> the triples in the subsequent table, called the RDFS axiomatic triples,
> which contain only names from V union crdfV union rdfsV.
> ]]
>
> rdf:_1 is not a member of V, crdfV or rdfsV, so the entailment does not
> hold - which is cool, cos it keeps things finite.

I must admit that I haven't read it like that ;-)
OK, so lets add a triple to the premis graph or some such.


> Brian

--
Jos De Roo, AGFA http://www.agfa.com/w3c/jdroo/
Received on Monday, 28 July 2003 09:25:04 EDT

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