Tagged Questions

0
votes
1answer
82 views

Virtuoso Reasoner Problem

I've run the following script against virtuoso CLI: sparql clear graph http://jenainftest/#; ttlp('@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>. @prefix rdfs: …
2
votes
2answers
63 views

How to speed up rdf:type foo:Bar SPARQL queries by Virtuoso tuning?

I'm running SPARQL queries like: prefix ch: <http://pele.farmbio.uu.se/chembl/?> select count(?s) where { ?s a ch:Compound . } or any other 'a' query asking all Resourc …
1
vote
3answers
97 views

How do I see what named graphs are available on a Virtuoso SPARQL end point?

Is it possible to list the named graphs using a SPARQL query?
1
vote
1answer
55 views

Question about RDFizer Sponger in Virtuoso OpenLink Software

Did any one here use Sponger cartridge available in virtuoso openlink software? I had installed virtuoso opensource triple store and am currently trying to use the sponger cartridg …