Hi Alessandro Quads are not supported.
>> If these are not supported, it might be worth opening a ticket for them? Yep. Even better if you could provide examples on how to fix the generated SPARQL queries. The SPARQL queries are generated by [1]. For adding this feature one would need to 1. extends [1] to support named graphs 2. add a new property to Referenced Sites that allows to configure named graphs URIs best Rupert [1] http://svn.apache.org/repos/asf/stanbol/trunk/entityhub/query/sparql/src/main/java/org/apache/stanbol/entityhub/query/sparql/SparqlQueryUtils.java On Tue, Jun 10, 2014 at 5:03 PM, Alessandro Adamou <alessandro.ada...@studio.unibo.it> wrote: > Sorry, I meant that my default graph is always *empty* > > Alesandro > > > > On 10/06/2014 16:01, Alessandro Adamou wrote: >> >> Hi, >> >> I've been looking into configuring a Referenced Site (fully live, >> non-cached and entirely SPARQL-queried) into a running EntityHub. >> >> Problem is, the target RDF store is fully quad-based, all the data are in >> named graphs and the configuration of the default graph is not to compute >> the union. And since the default graph is queried, only quad-pattern queries >> are satisfied. >> >> According to the RDF store log, the entity Hub queries are of the form, >> e.g. for a 'find': >> >> CONSTRUCT { >> ?id <http://www.w3.org/2000/01/rdf-schema#label> ?v_1 . >> <http://stanbol.apache.org/ontology/entityhub/query#QueryResultSet> >> <http://stanbol.apache.org/ontology/entityhub/query#queryResult> ?id . >> } WHERE { >> { ?id <http://www.w3.org/2000/01/rdf-schema#label> ?v_1 >> FILTER(regex(str(?v_1),"Paderb.*","i")) . >> } } >> >> A query like this will never have any results in the RDF store I'm using. >> I'm wondering if there is any way to configure queries and/or Sites so that >> they can: >> * supply named graphs as FROM [NAMED] clauses in the queries, and/or >> * issue quad patterns a la "GRAPH ?g { }" in queries (and include them for >> every triple in the result set from the entity hub) >> >> If these are not supported, it might be worth opening a ticket for them? >> >> Cheers >> >> Alessandro >> . >> > -- | Rupert Westenthaler rupert.westentha...@gmail.com | Bodenlehenstraße 11 ++43-699-11108907 | A-5500 Bischofshofen | REDLINK.CO .......................................................................... | http://redlink.co/
