Re: Empty derivation files

2012-07-31 Thread Dave Reynolds
On 30/07/12 23:09, Alejandro Rodríguez González wrote: Just another question: It is possible to see a more detailed debug of the derivations? For example, I want to know why some rules are not being fired, something that will help me to know what I'm doing wrong. Sorry no. There are

Re: Basic federation in Jena

2012-07-31 Thread Olivier Rossel
Oops, the webpage I mentionned had wrong code. The correct code to run my query is: QueryExeuction exec = QueryExecutionFactory.create(QueryFactory.create(yourfederatedquery, Syntax.syntaxARQ), new DatasetImpl(ModelFactory.createDefaultModel())); exec.execSelect(); Forcing the syntax to

Re: Basic federation in Jena

2012-07-31 Thread Andy Seaborne
On 31/07/12 08:52, Olivier Rossel wrote: Oops, the webpage I mentionned had wrong code. The correct code to run my query is: QueryExeuction exec = QueryExecutionFactory.create(QueryFactory.create(yourfederatedquery, Syntax.syntaxARQ), new DatasetImpl(ModelFactory.createDefaultModel()));

Re: Basic federation in Jena

2012-07-31 Thread Andy Seaborne
(same question as yesterday) A few problems: 1/ Talis are turning off their online service so http://api.talis.com/... will stop working sometime. If this is a paid-for store, that wil be in several months; if hosted for free, it'll happen in the next few days. 2/ The services have a 30s

Re: Empty derivation files

2012-07-31 Thread Alejandro Rodríguez González
Hi Dave, Thanks, this makes my task harder :-) Let me then ask you a question about the rules that I have. Maybe you can help me with this. Based on the same example that we were talking I want to create a rules that are executed when I have sign A, B (compulsory) and one of the following: C, D,

Re: Basic federation in Jena

2012-07-31 Thread Olivier Rossel
Forcing the syntax to Syntax.syntaxARQ is mandatory because client-side federation is a ARQ-specific feature. Only in very old versions of ARQ - SERVICE is part of SPARQL 1.1 As far as I understand, SERVICE in SPARQL 1.1 is server-side federation. And you have no way to federate with local

Re: Empty derivation files

2012-07-31 Thread Dave Reynolds
On 31/07/12 09:41, Alejandro Rodríguez González wrote: Hi Dave, Thanks, this makes my task harder :-) Let me then ask you a question about the rules that I have. Maybe you can help me with this. Based on the same example that we were talking I want to create a rules that are executed when I