Hi,
I have a problem with a DBPedia SPARQL endpoint. When I am on the
http://dbpedia.org/sparql website, I put this SPARQL query :
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
select distinct ?s where {
?s foaf:name ?o .
FILTER regex(str(?o), "^Brad")
}
And this error occurred :
Virtuoso S1T00 Error SR171: Transaction timed out
SPARQL query:
define sql:big-data-const 0
#output-format:text/html
define sql:signal-void-variables 1 define input:default-graph-uri
<http://dbpedia.org> PREFIX foaf: <http://xmlns.com/foaf/0.1/>
select distinct ?s where {
?s foaf:name ?o .
FILTER regex(str(?o), "^Brad")
}
The same thing occurred when I add a LIMIT. Its because my SPARQL query is
wrong or for other else ?
Thanks in advance.
Regards.
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Julien Plu
Etudiant en 2ème année de Master Ingénierie en Intelligence Artificielle à
lUniversité Montpellier 2.
Mes projets Web sémantique : http://data.lirmm.fr
Page personnelle : http://jplu.developpez.com
Responsable de la rubrique Web sémantique
<http://web-semantique.developpez.com/> de Developpez.com.
Fichier FOAF (version RDF) : http://www.pipm.fr/foaf/foaf.rdf
Fichier FOAF (version RDFa) : http://www.pipm.fr/foaf/rdfa.html
Adresse mail personnelle : [email protected]
Adresse mail universitaire : [email protected]
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