[Virtuoso-users] sparql insert/delete problem

Hi All! I'm currently testing Virtuoso because we need a fast RDF store which can handle billions of triples for my company's several projects and it shows itself very well so far. However, I've found that several queries do not work as expected (neither through isql nor jdbc interface): sparq

Re: [Virtuoso-users] Performance difference between ISQL, JDBC, and HTTP SPARQL Endpoint

Hi Marco, Can you please confirm the Virtuoso version and build date being used which can be obtained from the left from of the Virtuoso Conductor Admin UI or by running "virtuoso -?" on the server executable. Also, please confirm whether you are using the open source or commercial versio

[Virtuoso-users] Performance difference between ISQL, JDBC, and HTTP SPARQL Endpoint

Hi, I have been doing some preliminary testing of Virtuoso and ran into an very odd behavior. I loaded our test data set of 500K triples using the rdf_sink mechanism into one graph. I also updated the RDF_QUAD table definition to coincide with the performance tuning tips described in http://do