[Virtuoso-users] Virtuoso 7.1 crashes without error message

2014-12-05 Thread Konrad Höffner
On a virtual server instance with an OntoWiki and where I do heavy bulk uploads using virt-jena, Virtuoso is very unstable and crashes at least daily. I use virtGraph.getBulkUpdateHandler().add(Iterator) which is deprecated, could that be the problem? Unfortunately that is my only option as other

Re: [Virtuoso-users] Best way to query a random sample?

2011-04-12 Thread Konrad Höffner
workaround is sparql select ?s ?p ?o from where { ?s ?p ?o . FILTER (1>(10, ?s, ?p, ?o)) } that tells the SPARQL front-end to omit redundand conversions of values. Best Regards, Ivan Mikhailov OpenLink Software http://virtuoso.openlinksw.com On Mon, 2011-04-11 at 10:52 +0200, Konrad

[Virtuoso-users] Best way to query a random sample?

2011-04-11 Thread Konrad Höffner
Hello, I would like to know the best method to get a random sample of all triples for a subset of all the resources of a SPARQL endpoint, e.g.: select ?s ?p ?o where {?s ?p ?o. {select ?s where {?s a dbpedia-owl:Settlement} limit 5}} The problem here is that the choice of resources returned

[Virtuoso-users] Geonames dump load script not working

2011-04-06 Thread Konrad Höffner
Hello, I want to load the Geonames dump into our Virtuoso Server and I use the following script for it: http://wikis.openlinksw.com/dataspace/owiki/wiki/VirtuosoWikiWeb/LoadGeonamesRDFDumpIntoVirtuoso After correcting the formatting by removing the newline on the filename at the bottom the sc