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    Query inseparability and module extraction in OWL 2 QL

    Zakharyaschev, Michael (2011) Query inseparability and module extraction in OWL 2 QL. In: Kutz, O. and Schneider, T. (eds.) Modular Ontologies. Frontiers in Artificial Intelligence and Applications 230. Amsterdam, The Netherlands: IOS Press, pp. 10-11. ISBN 9781607507987.

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    The OWL 2 QL profile of OWL, based on the DL family of description logics, is emerging as a major language for developing new ontologies and approximating existing ones. Its main application is ontology-based data access, where ontologies are used to provide background knowledge for answering queries over data. We give a survey of recent results on the computational complexity of checking query inseparability for OWL 2 QL ontologies and analyse the impact of various OWL 2 QL constructs in the context of query inseparability. We also discuss practical query inseparability checking and minimal module extraction algorithms, as well as experimental results.


    Item Type: Book Section
    Additional Information: Modular Ontologies - Proceedings of the Fifth International Workshop, WoMO 2011, Ljubljana, Slovenia, August 2011
    School: School of Business, Economics & Informatics > Computer Science and Information Systems
    Depositing User: Administrator
    Date Deposited: 30 May 2013 13:44
    Last Modified: 11 Oct 2016 12:01


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