Re: [Virtuoso-users] RDFS inference in SPARQL end-point

On 10/12/15 9:35 AM, Richard Nagelmaeker wrote: > Hi, > > We are using RDFS inference on the SPARQL end-point, but get some > unexpected results. > Is this how the endpoint is supposed to work? > > In the dataset the following set of triples has been defined (turtle > syntax): > relationZ rdfs:subP

[Virtuoso-users] Virtuoso SPARQL optimization strategies

Hi I would like to know which are the optimization strategies that Virtuoso 7 uses for SPARQL queries. Is there any documentation available on this topic? I was also wondering if it is possible to choose between different strategies, as in Jena TDB http://jena.apache.org/documentation/tdb/opti

Re: [Virtuoso-users] RDFS inference in SPARQL end-point

Hi Richard, What is your SPARQL endpoint or preferably datasets and steps for recreating ? Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ Weblog -- http://www.openlinksw.com/blogs/ LinkedIn -- http://www.linkedin.com/comp

[Virtuoso-users] RDFS inference in SPARQL end-point

Hi, We are using RDFS inference on the SPARQL end-point, but get some unexpected results. Is this how the endpoint is supposed to work? In the dataset the following set of triples has been defined (turtle syntax): relationZ rdfs:subPropertyOf relationA, relationB We do the following query: (Que

Re: [Virtuoso-users] Virtuoso 7.2.0 terminated with signal SIGSEGV, Segmentation fault.

Hi Hugh. Here is a "status();" output when the database has been used for some time already under quite high work load: # isql-vt dba dba exec="status();" Connected to OpenLink Virtuoso Driver: 07.20.3212 OpenLink Virtuoso ODBC Driver OpenLink Interactive SQL (Virtuoso), version 0.9849b.