ISWC 2006 5th International Semantic Web Conference
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Evaluating Conjunctive Triple Pattern Queries over Large Structured Overlay Networks
Erietta Liarou Technical University of Crete
Stratos Idreos CWI Amsterdam
Manolis Koubarakis National and Kapodistrian University of Athens

We study the problem of evaluating conjunctive queries composed of triple patterns over RDF data stored in distributed hash tables. Our goal is to develop algorithms that scale to large amounts of RDF data, distribute the query processing load evenly and incur little network traffic. We present and evaluate two novel query processing algorithms with these possibly conflicting goals in mind. We discuss the various tradeoffs that occur in our setting through a detailed experimental evaluation of the proposed algorithms.


5th International Semantic Web Conference, Athens, GA, USA, November 5-9, 2006, LNCS 4273




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