[Virtuoso-users] recursive property path in multiple optional error

2014-05-16 Thread ghirardi nicola
I have this error from time to time writing queries: Variable '_::trans_subj_11_6' is used in subexpressions of the query but not assigned Often it "goes away" unchecking the "Strict checking of void variables" option and so not appear calling the sparql endpoint via rest. In this case the erro

Re: [Virtuoso-users] Describe without default graph give partial result

2014-04-28 Thread ghirardi nicola
ogle+ -- http://plus.google.com/100570109519069333827/ Facebook -- http://www.facebook.com/OpenLinkSoftware Universal Data Access, Integration, and Management Technology Providers On 23 Apr 2014, at 10:05, ghirardi nicola <mailto:n.ghira...@cineca.it>> wrote: Hi Hugh, I am aware of th

Re: [Virtuoso-users] Describe without default graph give partial result

2014-04-23 Thread ghirardi nicola
9519069333827/ Facebook -- http://www.facebook.com/OpenLinkSoftware Universal Data Access, Integration, and Management Technology Providers On 22 Apr 2014, at 16:55, ghirardi nicola wrote: Hi Hugh, You can find my test sparql endpont here: http://rdi.cineca.it/query/public/sparql Describe query: DE

Re: [Virtuoso-users] Describe without default graph give partial result

2014-04-22 Thread ghirardi nicola
p://twitter.com/OpenLink Google+ -- http://plus.google.com/100570109519069333827/ Facebook -- http://www.facebook.com/OpenLinkSoftware Universal Data Access, Integration, and Management Technology Providers On 22 Apr 2014, at 10:02, ghirardi nicola <mailto:n.ghira...@cineca.it>> wrote: I&#

[Virtuoso-users] Describe without default graph give partial result

2014-04-22 Thread ghirardi nicola
I'm facing the following error: http://answers.semanticweb.com/questions/22955/describe-in-virtuoso-unexpected-behaviour Running sparql describe returns only triples within some graphs and not the complete store. It gives different result running select * Nicola -

Re: [Virtuoso-users] Wrong result with multiple FROM in SPARQL query

2014-04-22 Thread ghirardi nicola
Any news on this issue? The query on dbpedia still fails to give the correct answer Nicola On 08/12/2013 22:28, ghirardi nicola wrote: Sorry, I did not see your previous answer. This behaviour (wrong zero result) happens when these conditions are met ( I don't know how many are needed

[Virtuoso-users] SPARQL OPTIONAL performance

2014-03-21 Thread ghirardi nicola
I have this kind of queries that do not perform as expected (transaction timeout usually). Here an example on dbpedia: CONSTRUCT { ?p ?o. ?sub ?p_sub ?o_sub. ?type ?p_type ?o_type. } where { ?p ?o OPTIONAL

[Virtuoso-users] Max row length is exceeded when trying to store a string of 43 chars into a temp col

2014-03-17 Thread ghirardi nicola
Error: Max row length is exceeded when trying to store a string of 43 chars into a temp col Query: SELECT COUNT DISTINCT (?object) where { ?object ?type } Dataset: Basekb (polisherd version of freebase) Note: It does not happen removing distin

[Virtuoso-users] Wrong content type in sparql response

2014-03-10 Thread ghirardi nicola
Asking a query with accept header: text/plain, application/rdf+xml, application/xml, application/x-binary-rdf, text/turtle, application/x-turtle, text/rdf+n3, application/xhtml+xml, text/html, image/svg+xml, application/x-trig, application/trix, text/x-nquads Virtuoso answer with Content-Type

Re: [Virtuoso-users] Wrong result with multiple FROM in SPARQL query

2013-12-08 Thread ghirardi nicola
acebook -- http://www.facebook.com/OpenLinkSoftware Universal Data Access, Integration, and Management Technology Providers On 8 Dec 2013, at 13:18, ghirardi nicola <mailto:n.ghira...@cineca.it>> wrote: Hi A very similar query not working as expected is this one. In this case multiple form

Re: [Virtuoso-users] Wrong result with multiple FROM in SPARQL query

2013-12-08 Thread ghirardi nicola
Access, Integration, and Management Technology Providers On 20 Nov 2013, at 19:20, ghirardi nicola <mailto:n.ghira...@cineca.it>> wrote: According to the SPARQL reference, multiple FROM clauses should mean a query over the merge of all specified datasets. http://www.w3.org/TR/sparql1

[Virtuoso-users] Wrong result with multiple FROM in SPARQL query

2013-12-06 Thread ghirardi nicola
According to the SPARQL reference, multiple FROM clauses should mean a query over the merge of all specified datasets. http://www.w3.org/TR/sparql11-query/#unnamedGraph I used multiple graph in a query and a combination of filter and minus operators in "where" clause in this way: SELECT ?s

Re: [Virtuoso-users] Wrong result with multiple FROM in SPARQL query

2013-11-26 Thread ghirardi nicola
Hi A very similar query not working as expected is this one. In this case multiple form is not involved but It's a very similar pattern and I suppose is related. This query return 0: SELECT ?s WHERE { ?s rdf:type . ?s ?p2

[Virtuoso-users] Wrong result with multiple FROM in SPARQL query

2013-11-26 Thread ghirardi nicola
According to the SPARQL reference, multiple FROM clauses should mean a query over the merge of all specified datasets. http://www.w3.org/TR/sparql11-query/#unnamedGraph I used multiple graph in a query and a combination of filter and minus operators in "where" clause in this way: SELECT ?s