Hi Marco, On 16-May-13 4:26 PM, Marco Fossati wrote:
Hi everyone,I've been trying to run some federated queries with the SERVICE clause on the international endpoint and some local ones (Portuguese, Greek, Spanish). This may be useful to integrate heterogeneous entity descriptions coming from different language chapters. Due to a known issue in Virtuoso [1] (apparently not resolved yet), I found that none of them have enabled those types of queries and result in the following error: Virtuoso 42000 Error SQ200: Must have select privileges on view DB.DBA.SPARQL_SINV_2 Except for the portuguese endpoint, which yields a syntax error: 37000 Error SP030: SPARQL compiler, line 3: syntax error at 'SERVICE' The solution in [1] works fine, the following instructions in ISQL command line are needed: grant select on "DB.DBA.SPARQL_SINV_2" to "SPARQL"; grant execute on "DB.DBA.SPARQL_SINV_IMP" to "SPARQL"; Hope this helps. Cheers! [1] http://answers.semanticweb.com/questions/10360/virtuoso-federated-query
ATM we have disabled SPARQL-FED on DBpedia.You can try from the URIBurner sparql endpoint for instance -- http://linkeddata.uriburner.com/sparql
Note however the endpoint in your query (http://bio2rdf.org/sparql ) is ATM not accessible -- so UB raises the respective error message (http://bit.ly/13oXsKn)
Virtuoso RDFZZ Error DB.DBA.SPARQL_REXEC('http://bio2rdf.org/sparql', ...)
returned Content-Type 'text/plain' status 'HTTP/1.1 302 Moved Temporarily
'
I would suggest you to change the query with accessible endpoint etc.
Best Regards,
Rumi
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