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Re: Tools for 20 million triples?

From: Arjohn Kampman <arjohn.kampman@aduna.biz>
Date: Wed, 31 Mar 2004 10:12:58 +0200
Message-ID: <406A7D8A.7070106@aduna.biz>
To: Phil Dawes <pdawes@users.sf.net>
Cc: RDF Interest <www-rdf-interest@w3.org>

Phil Dawes wrote:
> Hi Andrew,
> Is it possible to do optional query clauses in Kowari?  
> E.g. match a resource by a set of criteria, and also return the
> rdfs:label of the resource if it exists. 
> (it wasn't obvious to me from the documentation)
> Many thanks,
> Phil

Hi Phil,

Not many query languages support optional query clauses currently.
You might want to take a look at the SeRQL query language, which does
have support for this: http://www.openrdf.org/doc/SeRQLmanual.html



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Received on Wednesday, 31 March 2004 03:13:22 UTC

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