Ontology-Based Data Access Using Views

  • Juan F. Sequeda
  • Marcelo Arenas
  • Daniel P. Miranker
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7497)

Abstract

The OWL 2 QL profile, which is based on DL-LiteR, has been designed so that query answering is possible using relational database technology via query rewriting. Unfortunately, given a query Q posed in terms of an OWL 2 QL ontology O, the size of the rewritten query, Qo, which can be evaluated directly on the relational database, is worst case exponential w.r.t the size of Q and O [1]. This means that the computation and evaluation of Qo can be costly. Recent research focuses on creating rewriting algorithms that generates Qo with a smaller size [3].

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References

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Juan F. Sequeda
  • Marcelo Arenas
    • 1
  • Daniel P. Miranker
  1. 1.Department of Computer SciencePUCChile

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