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Benchmarking Federated SPARQL Query Engines: Are Existing Testbeds Enough?

Benchmarking Federated SPARQL Query Engines: Are Existing Testbeds Enough?

This video was recorded at 11th International Semantic Web Conference (ISWC), Boston 2012. Testbeds proposed so far to evaluate, compare, and eventually improve SPARQL query federation systems have still some limitations. Some variables and congurations that may have an impact on the behavior of these systems (e.g., network latency, data partitioning and query properties) are not suciently dened; this aects the results and repeatability of independent evaluation studies, and hence the insights that can be obtained from them. In this paper we evaluate FedBench, the most comprehensive testbed up to now, and empirically probe the need of considering additional dimensions and variables. The evaluation has been conducted on three SPARQL query federation systems, and the analysis of these results... Show More

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