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RE: Datatyping literals: question and test cases

From: Jeremy Carroll <jjc@hplb.hpl.hp.com>
Date: Tue, 29 Oct 2002 16:51:23 +0100
To: "Brian McBride" <bwm@hplb.hpl.hp.com>, "Graham Klyne" <GK@NineByNine.org>, "RDF core WG" <w3c-rdfcore-wg@w3.org>
Message-ID: <BHEGLCKMOHGLGNOKPGHDCEINCAAA.jjc@hpl.hp.com>

Brian:
> Jeremy, what did you intend?

I try to pass the hot potato to Pat!

(A more serious answer to Graham)

> I also understand that, following DanC's requests,
> 
>    _:x ex:prop "foo" .
>    ex:prop rdfs:range xsd:string .
> 
> will be satisfiable in conformance with xsd:string datatypeconstraints.

No decision - the current drafts say NO.

Concepts say a literal is a pair.
Ntriples says "foo" goes to "foo"-""
Model theory says untyped literals are self-denoting.

"foo"-"" is not an xsd:string.

> 
> But, what about this:
> 
>    _:x ex:prop "http://example.org/" .
>    ex:prop rdfs:range xsd:anyURI .

Similarly, currently this is a NO.

> 
> #g
> --
> 
> PS:  in my subject line, I say "test cases", which these are strictly 
> not.  

They could be made so by the invention of a new test case.

Jeremy
Received on Tuesday, 29 October 2002 10:51:32 EST

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