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Reasoning Web International Summer School

Reasoning Web 2014: Reasoning Web. Reasoning on the Web in the Big Data Era pp 245–278Cite as

An Introduction to Ontology-Based Query Answering with Existential Rules

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Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 8714))

Abstract

The need for an ontological layer on top of data, associated with advanced reasoning mechanisms able to exploit ontological knowledge, has been acknowledged in the database, knowledge representation and Semantic Web communities. We focus here on the ontology-based data querying problem, which consists in querying data while taking ontological knowledge into account. To tackle this problem, we consider a logical framework based on existential rules, also called Datalog±.

In this course, we introduce fundamental notions on ontology-based query answering with existential rules. We present basic reasoning techniques, explain the relationships with other formalisms such as lightweight description logics, and review decidability results as well as associated algorithms. We end with ongoing research and some challenging issues.

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Author information

Authors and Affiliations

  1. Université Montpellier 2, France

    Marie-Laure Mugnier

  2. TU Dresden, Germany

    Michaël Thomazo

Authors
  1. Marie-Laure Mugnier
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  2. Michaël Thomazo
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Editor information

Editors and Affiliations

  1. National and Kapodistrian University of Athens, Greece

    Manolis Koubarakis

  2. School of Electrical and Computer Engineering, National Technical University of Athens, Zografou Campus, 15780, Zografou, Greece

    Giorgos Stamou

  3. School of Electrical and Computer Engineering, National Technical University of Athens, Zografou, Greece

    Giorgos Stoilos

  4. Department of Computer Science, University of Oxford, Oxford, UK

    Ian Horrocks

  5. University of California, Santa Cruz, CA, USA

    Phokion Kolaitis

  6. Institute for Informatics, University of Freiburg, Freiburg, Germany

    Georg Lausen

  7. Max-Planck Institute for Informatics, Saarbrücken, Germany

    Gerhard Weikum

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Mugnier, ML., Thomazo, M. (2014). An Introduction to Ontology-Based Query Answering with Existential Rules. In: Koubarakis, M., et al. Reasoning Web. Reasoning on the Web in the Big Data Era. Reasoning Web 2014. Lecture Notes in Computer Science, vol 8714. Springer, Cham. https://doi.org/10.1007/978-3-319-10587-1_6

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  • DOI: https://doi.org/10.1007/978-3-319-10587-1_6

  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-10586-4

  • Online ISBN: 978-3-319-10587-1

  • eBook Packages: Computer ScienceComputer Science (R0)

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