Re: [Virtuoso-users] Federated queries problems

On 7/2/14 4:13 PM, Kingsley Idehen wrote: On 7/2/14 11:34 AM, Nuria Queralt Rosinach wrote: Hi, I rewrote the FED following your guidance, and now, interestingly, the same FED works send it from your URI Burner but does not work from our SPARQL endpoint. I am not capable of seeing where is my

Re: [Virtuoso-users] Federated queries problems

On 7/2/14 11:34 AM, Nuria Queralt Rosinach wrote: Hi, I rewrote the FED following your guidance, and now, interestingly, the same FED works send it from your URI Burner but does not work from our SPARQL endpoint. I am not capable of seeing where is my mistake. I notice that when i clear the S

Re: [Virtuoso-users] dump_nquads

Hi Timothy, On 02-Jul-14 7:56 PM, Timothy Lebo wrote: Virtuoso, I’m trying to dump nquads of my entire RDF VOS database per [1], but I get the following error. Error 42001: [Virtuoso Driver][Virtuoso Server]SR185: Undefined procedure DB.DBA.http_nquad. After some searching on the web, I c

Re: [Virtuoso-users] Create sparql view with composite Primary Keys

Hi Ricardo, On 02-Jul-14 7:17 PM, Ricardo Mendes wrote: Hi, How can I create a sparql view with composite Primary Keys? CREATE VIEW AS SPARQL {SELECT ?s ?o ?p FROM ... Virtuoso Views do not have primary keys. They're essentially macro definitions and every reference to a view is replaced

[Virtuoso-users] dump_nquads

Virtuoso, I’m trying to dump nquads of my entire RDF VOS database per [1], but I get the following error. Error 42001: [Virtuoso Driver][Virtuoso Server]SR185: Undefined procedure DB.DBA.http_nquad. After some searching on the web, I couldn’t find a definition for http_nquad, and a couple r

[Virtuoso-users] Create sparql view with composite Primary Keys

Hi, How can I create a sparql view with composite Primary Keys? CREATE VIEW AS SPARQL {SELECT ?s ?o ?p FROM ... Regards -- Open source business process management suite built on Java and Eclipse Turn processes into busi

[Virtuoso-users] Upgrading VOS 6.x to 7.x?

Virtuoso, Any idea when instructions at [1] will arrive? Also, is it true that 7.x supports SPARQL 1.1 more fully? Thanks, Tim Lebo [1] http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/UpgradingToVOS610#Upgrading from Release 6.x to Release 7.x --

Re: [Virtuoso-users] Federated queries problems

Hi, I rewrote the FED following your guidance, and now, interestingly, the same FED works send it from your URI Burner but does not work from our SPARQL endpoint. I am not capable of seeing where is my mistake. I notice that when i clear the SERVICE part out from the query all works perfectly

[Virtuoso-users] Federated SPARQL query for LUBM data on Virtuoso endpoints

I have synthetic data generated using Lehigh University Benchmark (LUBM) data generator (version 1.7), this generates about 402 .owl file including the schema. I sorted and distributed the triples based on the predicate to 4 different servers.All of these servers run Virtuoso. I also have another s