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Re: SPARQL, named graphs and default graph

From: Nuutti Kotivuori <naked@iki.fi>
Date: Wed, 13 Sep 2006 20:32:05 +0300
To: public-sparql-dev@w3.org
Message-ID: <87venr8yga.fsf@aka.i.naked.iki.fi>

Nuutti Kotivuori wrote:
> - There is no way to explicitly match statements that have an
> unknown origin, since the origins are just distinct blank nodes.

Hey! I just thought of something.

This ofcourse assumes that SPARQL would allow blank nodes to be graph
names.

SELECT ?s ?p ?o
WHERE { GRAPH ?g { ?s ?p ?o }
        FILTER isBlank(?g) }

Would this work?

-- Naked
Received on Wednesday, 13 September 2006 17:32:11 GMT

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