[Virtuoso-users] large estimated query time for queries that specify several graphs.

2010-06-10 Thread Sandeep Gupta
Hi, Our institution is hosting an sparql endpoint which was populated using sponger feature. Due to this we have several named graphs (roughly 30-40). Sometimes we aren't sure which graphs would be relevant for the query so we list all the graphs in a one from clause. Something like this : Select

Re: [Virtuoso-users] Geo Spatial

2010-06-10 Thread Hugh Williams
Hi Alexander, Geo Spatial is not supported in the open source product it is a commercial feature only, hence the error you get. See the following feature matrix for comparison between features of the open source and commercial product: http://virtuoso.openlinksw.com/features-comparison

[Virtuoso-users] Geo Spatial

2010-06-10 Thread Alexander De Leon
Hello, Do I have to do anything to enable the spatial features of Virtuoso? I have a default installation of virtuoso open source version 06.01.3127. When I run the following query: SQL>select st_point (0, 52); I get this error: SQLState: 42001 Message: SR185: Undefined procedure DB.DBA.st_po

Re: [Virtuoso-users] Sesame + virtuoso + inference

2010-06-10 Thread Hugh Williams
Hi Development indicate that the directType is a Sesame specific class type not supported in other RDF query engines like Virtuoso and Jena etc. Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http:/