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Re: Queries over multiple graphs

From: Steve Harris <S.W.Harris@ecs.soton.ac.uk>
Date: Tue, 28 Sep 2004 12:10:47 +0100
To: DAWG public list <public-rdf-dawg@w3.org>
Message-ID: <20040928111047.GE9117@login.ecs.soton.ac.uk>

On Tue, Sep 28, 2004 at 11:47:05AM +0100, Steve Harris wrote:
> 
> In recent discussions over email and on IRC this morning we hit a
> difference of implementation in some RDF storage systems.
> 
> In my system if you load multiple graphs with distinct source information
> and the same statement appears in 2 graphs there are two distinct
> statements. The same goes for statements that may be inferred by multiple
> routes.

Discussing this further it appears to be a philosophical difference: does
an RDF store hold a single (merged) RDF graph with statements from
different sources, or does it hold a set of RDF graphs.

- Steve
Received on Tuesday, 28 September 2004 11:10:49 GMT

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