Re: [Rdfapi-php-interest] Running non-graph queries on a dataset

[Richard C. <ri...@cy...>]

SPARQL Queries that don't use the GRAPH keyword match only the  
default graph. Are there any triples in the dataset's default graph?

Cheers,
Richard


On 17 Aug 2007, at 10:52, Alexandre Passant wrote:

> Hi,
>
> I'm trying to use RAP dataset API (v 0.95) with DB persistence, but I
> can't see how to make 'non-graph' queries.
>
> I created my dataset using:
>
> $dbstore = ModelFactory::getDbStore();
> $dbstore->createTables('MySQL');
> $dataset1=& $dbstore->getDatasetDb('Dataset1');
>
> And then parsed some RDF files to add quads in it - BTW, is there a
> way to add quads in the dataset by simply giving a graphURI and a
> fileURI ?
>
> Then I used
> $dataset1->sparqlQuery($query);
>
> to run queries, but while GRAPH queries return something, I have, for
> simple spo queries:
>
> <sparql xmlns="http://www.w3.org/2005/sparql-results#"><head/ 
> ><boolean/></sparql>
>
> Did I missed something with datasets / queries ?
>
> Thanks
>
> Alex.
>
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