[Virtuoso-users] datatype of geometry in RDF

Hello, I was able to load some RDF triples with geometry literals in Virtuoso 7.1. I specified the datatype of those literals as . However, when a geometry is returned by Virtuoso its datatype is

[Virtuoso-users] Geo SPARQL support

Hello Everyone, We are currently using the open source version of virtuoso. I would like to know if Geo SPARQL is supported in the open source version? I assume YES. Could someone tell me what constructs/features of Geo SPARQL does it support? Also does the commercial version have

Re: [Virtuoso-users] xsd:boolean in Virtuoso 7

On 3/17/14 8:04 PM, Quentin wrote: Hi Hugh, Would: select ?o datatype(?o) from where {?s ?p ?o . filter (?o = "false"^^xsd:boolean) } return "False xsd:boolean"? Or nothing, because ?o is actually an integer? Based on: Data Creation: with graph insert { "true"^^

Re: [Virtuoso-users] Problem loading geographical data

Hello Hugh, Thanks for your reply, and the references to the documentation of geometry in Virtuoso. Based on what you wrote I suspected that the problem lies with the Coordinate Reference System (CRS). The geometries I want to insert use the Dutch national CRS