Re: [Virtuoso-users] SPARQL Difference between Jena and Conductor

2015-03-11 Thread Hugh Williams
Hi Chris, How are you connecting Jena to Virtuoso, is this via is http client to the Virtuoso SPARQL endpoint or via the Virtuoso Jena Provider ? Also confirm the version of Virtuoso being used and if using the Jena Provider the version of it … Best Regards Hugh Williams Professional Services

[Virtuoso-users] SPARQL Difference between Jena and Conductor

2015-03-11 Thread Chris Rimmer
I am running the following query to give me a list of triples which exist in one graph but do not exist in another: SELECT ?s ?p ?o WHERE { GRAPH ?from { ?s rdf:type skos:Concept . ?s ?p ?o . } MINUS { GRAPH ?to { ?s ?p ?o . } } } This w

Re: [Virtuoso-users] ACLs and all-graphs query

2015-03-11 Thread Nicola Vitucci
Il 10/03/2015 19:04, Kingsley Idehen ha scritto: > On 3/10/15 5:17 AM, Nicola Vitucci wrote: >> Il 09/03/2015 22:02, Kingsley Idehen ha scritto: >>> >On 3/9/15 4:01 PM, Nicola Vitucci wrote: >>Il 09/03/2015 20:18, Kingsley Idehen ha scritto: > >>>On 3/9/15 2:47 PM, Nicola Vitucci wrote: >>

[Virtuoso-users] Understanding output of explain command

2015-03-11 Thread Maria Jackson
Dear All, I ran the following explain SPARQL command. However, I am unable to understand the output of explain. Can someone please explain me the output? (I mean it is difficult to understand as to what is meant by RDF_QUAD_POGS 1 rows(s_1_4_t0.S, s_1_4_t0.O) and 0: c1 := Call __ro2sq (s_1

Re: [Virtuoso-users] virtuoso 7.2 and service

2015-03-11 Thread Hugh Williams
Hi Yohann, This is indeed strange behaviour as the dbpedia.org/sparql endpoint is online and I see the same behaviour against our one of our own SPARQL endpoints running the SPARQL-FED query against dbpedia.org/sparql , we shall check why

Re: [Virtuoso-users] virtuoso 7.2 and service

2015-03-11 Thread Olivier Rossel
Could you retry now? dbpedia.org might have been temporarily down when you tried the first query. On Wed, Mar 11, 2015 at 11:48 AM, Yohann MORENO wrote: > Hello > > When I try this request with virtuoso 7.2, > > SELECT * > WHERE { > ?Parametre owl:sameAs ?dbparametre. > SERVICE

[Virtuoso-users] virtuoso 7.2 and service

2015-03-11 Thread Yohann MORENO
Hello When I try this request with virtuoso 7.2, SELECT * WHERE { ?Parametre owl:sameAs ?dbparametre. SERVICE { ?dbparametre dbo:thumbnail ?cas} } I've got this error: Virtuoso RDFZZ Error DB.DBA.SPARQL_REXEC('http://dbpedia.org/sparql', ...) returned Content-T

Re: [Virtuoso-users] Query regarding support for SPARQL 1.1

2015-03-11 Thread Hugh Williams
Hi Rose, It is not clear to me exactly what about the Virtuoso SPARQL 1.1 or ORDER BY and LIMIT internals you are seeking, but Virtuoso does support SPARQL 1.1 details of which can be found at [1], there is also a tech note on the use of LIMIT/OFFSET in queries with an ORDER BY clause at [2] .