Re: [Virtuoso-users] query musicbrainz

Hi Mats, What is the EC2 AMI instance type you are using and has the server been configured to make maximum use of the resources (memory etc) as detailed in the Virtuoso RDF Performance Tuning guide at: http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtRDFPerformanceTuning Th

Re: [Virtuoso-users] Virtuoso Server Extension API languages

Bob, On 15 May 2010, at 10:58, Bob Ferris wrote: > Hi Hugh, > > Am 15.05.2010 04:27, schrieb Hugh Williams: >> Hi Bob, >> >> 'C', C++, Python& Java are the languages that have been used for the >> writing cartridges to date using Virtuoso Server Extension API . As and >> when support for ot

[Virtuoso-users] Call for papers: MULTICONF-10, USA, July 2010

It would be highly appreciated if you could share this announcement with your colleagues, students and individuals whose research is in computer science, computer engineering, information science and related areas. Call for papers: MULTICONF-10, USA, July 2010 The 2010 multi-conference (MULTI

Re: [Virtuoso-users] query musicbrainz

Thanks Bob, that got rid of the error message at least :) I'm running my own instance of the MusicBrainz EC2 AMI because the endpoint on dbtune doesn't run on Virtuoso and I want to use bif:contains to use full-text search. I still haven't been able to get any data out though, when I try some que

Re: [Virtuoso-users] query musicbrainz

Hi Mats, I do not really know, which SPARQL endpoint you are querying, but for the case you tried http://dbtune.org/musicbrainz/sparql 1. you should change ?artist mo:creatorOf ?album to ?album foaf:maker ?artist 2. you should query with out the ";" at the end of your query

[Virtuoso-users] query musicbrainz

I'm trying to query a MusicBrainz EC2 AMI, but I'm getting an error. Can anyone tell me what's wrong with this query? PREFIX rdf: PREFIX foaf: PREFIX mo: PREFIX dc:

Re: [Virtuoso-users] Virtuoso Server Extension API languages

Hi Hugh, Am 15.05.2010 04:27, schrieb Hugh Williams: Hi Bob, 'C', C++, Python& Java are the languages that have been used for the writing cartridges to date using Virtuoso Server Extension API . As and when support for other languages are are by us or other third parties via the VSEI, they

[Virtuoso-users] ORDER BY and OFFSET bug

Hello I'm using VOS 06.01.3127 x64 and it seems to me, I found a bug with ORDER BY - LIMIT - OFFSET options For example, the query SELECT DISTINCT ?s ?p ?o WHERE {?s ?p ?o} ORDER BY ?p successfully returns all (about 3,7k) triples, ordered by predicate. But the query SELECT DISTINCT ?

Re: [Virtuoso-users] Virtuoso Server Extension API languages

Hi Bob, 'C', C++, Python & Java are the languages that have been used for the writing cartridges to date using Virtuoso Server Extension API . As and when support for other languages are are by us or other third parties via the VSEI, they can also be added to the list. Is their a specific lang