maybe using the 'includeInferred' parameter helps me. Thanks again -Antonio
2012/9/13 Barry Bishop <[email protected]> > Hello Antonio, > > OWLIM-Lite does all of its inference at load time. > > For the purpose of query-answering, it is possible to use all statements > as input or just explicit statements as input. > > There is an 'includeInferred' parameter in many places in the Sesame API, > e.g. > > TupleQuery q = > respositoryConnection.prepareTupleQuery(QueryLanguage.SPARQL, query); > q.setIncludeInferred(false); > TupleQueryResult results = q.evaluate(); > > If you are using a UI, such as the Sesame workbench, then you can just > uncheck the 'include inferred' checkbox. > > I hope this helps, > barry > > > On 13/09/12 13:55, antonio nunziante wrote: > > OK, thank you. > > However, is it a way to execute a sparql query turning off the inference? > > Thanks again > -Antonio > > 2012/9/13 Barry Bishop <[email protected]> > >> Hi Antonio, >> >> Please see the response here: >> >> >> http://answers.semanticweb.com/questions/18659/improve-performance-insertupdate-owlim-lite >> >> Regards, >> barry >> >> Barry Bishop >> OWLIM Product Manager >> Ontotext AD >> Tel: +43 650 2000 237 >> email: [email protected] >> skype: bazbishopwww.ontotext.com >> >> On 13/09/12 07:22, antonio nunziante wrote: >> >> Hi all, >> >> I have a problem with performances especially in INSERT and DELETE/INSERT >> query sparql. >> >> I have implemented an ontological model with the following >> characteristics: >> OWL Profile = OWL 2 QL >> DL Expressivity = ALCH(D) >> Axioms = 719 >> Logical Axioms = 487 >> GCI Axioms = 0 >> Individuals = 0 >> Classes = 39 >> Object Properties = 54 >> Data Properties = 24 >> Annotation Properties = 4 >> >> I create an OWLim-Lite repository in openrdf-workbench (I have already >> installed owlim-lite-4.3.4238) on Tomcat 7 and I reserved 4GB to Tomcat. >> With few instances every SPARQL query works, but now into the store there >> are more or less 64000 statements and INSERT and DELETE/INSERT needs to >> much time (I need to interface the semantic repository with a web >> application). >> >> How can I improve performances? >> >> Thanks in advance >> >> -- >> >> *Antonio Nunziante* >> >> >> _______________________________________________ >> Owlim-discussion mailing >> [email protected]http://ontomail.semdata.org/cgi-bin/mailman/listinfo/owlim-discussion >> >> >> > > > -- > * > Antonio Nunziante > * > > > -- * Antonio Nunziante *
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