Efficient traversal/search algorithm to fetch data from RDF?

I had a similiar problem. I was doing a lot of graph traversal using SPARQL property paths and it was too slow using an RDF based repository. I was using Jena TDB which is supposed to be fast but still it was too slow!

Graph traversal and efficient querying is a wide-ranging problem and the approach to use is dependent on your situation. I would suggest looking at a data-store like Neo4j and complementing it with a tool like Lucene.

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