[Virtuoso-users] Virtuoso 37000 Error SP031 with FILTER NOT EXISTS inside SERVICE clause

Hello all, I am running Virtuoso Opensource 6.1.7 on Ubuntu. I am trying to use FILTER NOT EXISTS inside a SERVICE clause, as follows: SELECT ?a ?val ?label WHERE { ?a ?val . SERVICE { ?a rdfs:label ?label . FILTER NOT EXISTS {

[Virtuoso-users] rdfg:subGraphOf inferencing in VOS 6

Hello all, Is it possible to configure VOS 6 to support rdfg:subGraphOf inferencing? Specifically such that a SPARQL query to a specific graph will return all triples in the named graph but also in subgraphs of the named graph that match the query? Consider the following example triples that I

[Virtuoso-users] Error 40001 when loading N3 files

Hello all I was loading N3 files onto a Virtuoso endpoint (version 6.1.1), and after all the files had loaded but before the changes were committed the following error occurred: *** Error 40001: [Virtuoso Driver][Virtuoso Server]SR325: Transaction aborted due to a database checkpoint or database-

[Virtuoso-users] SPARQL query problem: 22023 Error SR008

its cause? Cheers, Alison Callahan