Re: [Virtuoso-users] Aggregates for SPARQL - Problem

Bastian, That's a generic SQL restriction. It can be prohibitively costly to build dictionary of distinct long items so SQL engines tend to refuse without trying instead of running too long. You may with to exclude objects longer than, say, a kilobyte, using select count distinct ?o WHERE { ?

Re: [Virtuoso-users] Aggregates for SPARQL - Problem

Hi Bastian, thanks for the reply. Maybe I should think about the commercial version ;) Note that the next open source release of virtuoso is eminent. Patrick

Re: [Virtuoso-users] Aggregates for SPARQL - Problem

Forgot to mention that the query select count distinct ?o WHERE {?s ?o} works (with different predicates) for other dbpedia datasets, e.g. persons, categories skos, but not for infoboxes and articles. Bastian > > Hi, > > thanks for the reply. Maybe I

Re: [Virtuoso-users] Aggregates for SPARQL - Problem

Hi, thanks for the reply. Maybe I should think about the commercial version ;) I have another issue related to aggregates: select count distinct ?o WHERE {?s ?o} fails to execute both in isql and via the endpoint. The data is from dbpedia - infoboxes. Is