[Virtuoso-users] loading N-Triple files

Hi,I have been trying to load few NT (N-Triple files) using virtuoso API with the following code: === String virtuosoBaseDir ; String virtuosoWebServerPath ; String file; VirtGraph myGraph = new VirtGraph (graphname,url, "dba", "dba"); try { String formatT

Re: [Virtuoso-users] Jena/JDBC connection not properly closed

Hi Hugh, unfortunately these connections strings don't work for me. I get a "connection failed" for the "localhost/..." connect string, and a "wrong port number" for the "localhost:/..." connect string. (the port number is correct) Best, Georgi > -Original Message- > From: Hugh Will

[Virtuoso-users] dbpedia full en + de in virtuoso - performance tips

Hi, I loaded dbpedia 3.3 en + de into virtuoso 5.0.11 os successfully. DBsize is 27Gb. My box is a Suse 11.1 64 bit with 4core Intel Cpu and 8GB Ram and 1 HDD. Queries are very slow, I need some tips to speed up. Examplequerie: PREFIX rdfs: PREFIX d_owl:

Re: [Virtuoso-users] Pseudo-Federated SPARQL

Hello Aldo, 1. Maybe http://docs.openlinksw.com/virtuoso/fn_sparql_rexec.html will help you to some degree? 2. We're experimenting with SPARQL federation already, but right nowit sometimes fails even if Virtuoso sends a federated query to itself :) Anyway, sooner or later that will work better and

[Virtuoso-users] Pseudo-Federated SPARQL

Hi, I find myself in a situation where I want to issue SPARQL queries to a certain endpoint ( linkeddata.uriburner.com/sparql ), but I want to use procedures, inference rules, and other magic to avoid bloating my client side code. Unfrortunately I cannot install these procedures in the target inst

Re: [Virtuoso-users] Jena/JDBC connection not properly closed

Hi Georgi, Can you please try changing your connect string URL for the Virtuoso Jena Provider from: def getModel(name : String) = VirtModel.createDatabaseModel(name, "jdbc:virtuoso://localhost/CHARSET=UTF-8/TIMEOUT=20", "user", "pw") To: def getModel(name : String) = VirtModel.createDat