FETA: Federated QuEry TrAcking for Linked Data

Abstract : Following the principles of Linked Data (LD), data providers are producing thousands of interlinked datasets in multiple domains including life science, government, social networking, media and publications. Federated query engines allow data consumers to query several datasets through a federation of SPARQL endpoints. However, data providers just receive subqueries resulting from the decomposition of the original federated query. Consequently, they do not know how their data are crossed with other datasets of the federation. In this paper, we propose FETA, a Federated quEry TrAcking system for LD. We consider that data providers collaborate by sharing their query logs. Then, from a fed-erated log, FETA infers Basic Graph Patterns (BGPs) containing joined triple patterns, executed among endpoints. We experimented FETA with logs produced by FedBench queries executed with Anapsid and FedX federated query engines. Experiments show that FETA is able to infer BGPs of joined triple patterns with a good precision and recall.
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Communication dans un congrès
International Conference on Database and Expert Systems Applications (DEXA), Sep 2016, Porto, Portugal. pp.0, 2016, Lecture Notes in Computer Science
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Contributeur : Patricia Serrano-Alvarado <>
Soumis le : jeudi 23 juin 2016 - 09:41:37
Dernière modification le : samedi 25 février 2017 - 01:02:24
Document(s) archivé(s) le : samedi 24 septembre 2016 - 12:15:33

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Georges Nassopoulos, Patricia Serrano-Alvarado, Pascal Molli, Emmanuel Desmontils. FETA: Federated QuEry TrAcking for Linked Data. International Conference on Database and Expert Systems Applications (DEXA), Sep 2016, Porto, Portugal. pp.0, 2016, Lecture Notes in Computer Science. <hal-01336386>

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