Decomposing federated queries in presence of replicated fragments

@article{Montoya2017DecomposingFQ,
  title={Decomposing federated queries in presence of replicated fragments},
  author={Gabriela Montoya and Hala Skaf-Molli and Pascal Molli and Maria-Esther Vidal},
  journal={J. Web Semant.},
  year={2017},
  volume={42},
  pages={1-18}
}
Abstract Federated query engines allow for linked data consumption using SPARQL endpoints. Replicating data fragments from different sources enables data re-organization and provides the basis for more effective and efficient federated query processing. However, existing federated query engines are not designed to support replication. In this paper, we propose a replication-aware framework named LILAC , sparq L query decompos I tion against federations of rep L ic A ted data sour C es, that… CONTINUE READING

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