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Re: how does existing RDF software handle this datatypes test?

From: Alberto Reggiori <areggiori@webweaving.org>
Date: Thu, 31 Jan 2002 14:27:29 +0100
Message-ID: <3C594641.390D0A5D@webweaving.org>
To: Dan Connolly <connolly@w3.org>
CC: RDF Interest <www-rdf-interest@w3.org>, RDF Logic <www-rdf-logic@w3.org>
Dan Connolly wrote:

> There's a lot to read about TDL and S,
> http://lists.w3.org/Archives/Public/www-rdf-interest/2002Jan/0164.html
> but I think it can be summarized with the following
> test case. If you develop (or use) any RDF software,
> please try it out on this test case and report
> your findings.

Hi

> Now... suppose I ask:
>         whatever that title is, let's call it X.
>         Does that document also say that there's
>         something with ex:age of that same X?

By running the following RDQL query:

SELECT ?b
FROM <http://www.w3.org/2000/10/swap/test/dt10-premise.rdf>
WHERE
        (?a, <dc:title>, ?X),
        (?b, <ex:age>, ?X)
USING
        rdf for <http://www.w3.org/1999/02/22-rdf-syntax-ns#>,
        dc for <http://purl.org/dc/elements/1.1/>,
        ex for <http://example/vocab#>

RDFStore returns the following:

$result->{ b } = [ http://www.w3.org/2000/10/swap/test/dt10-premise.rdf#mary
]


Alberto
Received on Thursday, 31 January 2002 08:16:00 GMT

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