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Re: datatypes and MT

From: Dan Connolly <connolly@w3.org>
Date: Sun, 04 Nov 2001 15:57:07 -0600
Message-ID: <3BE5B9B3.251AE68A@w3.org>
To: jos.deroo.jd@belgium.agfa.com
CC: bwm@hplb.hpl.hp.com, phayes@ai.uwf.edu, w3c-rdfcore-wg@w3.org, pfps@research.bell-labs.com
jos.deroo.jd@belgium.agfa.com wrote:
> 
> > > The real advantage I see is that
> > >   :s eg:shoeSize [ rdfs:str "10" ].
> > > can be entailed given that
> > >   :s eg:shoeSize [ rdfs:str "10"; rdf:type dt:decimal ].
> > > (and only in that direction)
> >
> >
> > I'm sorry, I'm being thick again.  What's the advantage exactly?  To whom?
> Does
> > this advantage differentiate DanC's proposal from the others?
> >
> > What I see above is the A & B => A.  Which is true, but I miss the
> significance.
> 
>   [ rdfs:str "10" ]
> is what we call the 'least common unifier' of
>   [ rdfs:str "10" ] and [ rdfs:str "10"; rdf:type dt:decimal ]
> and we found that a useful thing for inferencing
> that's basically all we wanted to say
> (so 'advantage' was rather subjective)
> 
> > Are you suggesting that
> >
> >    <rdf:Description>
> >      <eg:prop>foo</eg:prop>
> >    </rdf:Description>
> >
> > is really shorthand for
> >
> >    <rdf:Description>
> >      <eg:prop rdfs:str="foo"/>
> >    </rdf:Description>
> 
> yes

Then that's a different proposal. I'm not suggesting that.

-- 
Dan Connolly, W3C http://www.w3.org/People/Connolly/
Received on Sunday, 4 November 2001 16:58:18 EST

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