I am trying to run a query through a java program using Jena ARQ API. Following
is the query that I run through a java program.
select distinct ?s ?o where { ?s <http://dbpedia.org/ontology/team> ?o1 . ?o1
<http://dbpedia.org/ontology/team> ?o . ?s <http://dbpedia.org/ontology/team>
?o .}
sometimes this works and sometimes doesn't. I do not know the problem. Even in
the sparql endpoint, sometimes it doesn't work. The exception I get from java
program is HttpException: 500 SPARQL Request Failed. In sparql endpoint it says
timeout. I increased the timeout in the web interface but it doesn't help.
I want to run this query for a list of properties and the code breaks when it
executes the above query since it returns an exception. Do you have any clue
what is going on?
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