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    A tableau decision algorithm for modalized ALC with constant domains

    Lutz, C. and Sturm, H. and Wolter, F. and Zakharyaschev, Michael (2002) A tableau decision algorithm for modalized ALC with constant domains. Studia Logica 72 (2), pp. 199-232. ISSN 0039-3215.

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    Abstract

    The aim of this paper is to construct a tableau decision algorithm for the modal description logic K ALC with constant domains. More precisely, we present a tableau procedure that is capable of deciding, given an ALC-formula ϕ with extra modal operators (which are applied only to concepts and TBox axioms, but not to roles), whether ϕ is satisfiable in a model with constant domains and arbitrary accessibility relations. Tableau-based algorithms have been shown to be 'practical' even for logics of rather high complexity. This gives us grounds to believe that, although the satisfiability problem for K ALC is known to be NEXPTIME-complete, by providing a tableau decision algorithm we demonstrate that highly expressive description logics with modal operators have a chance to be implementable. The paper gives a solution to an open problem of Baader and Laux [5].

    Metadata

    Item Type: Article
    School: School of Business, Economics & Informatics > Computer Science and Information Systems
    Depositing User: Sarah Hall
    Date Deposited: 01 Nov 2021 15:30
    Last Modified: 01 Nov 2021 15:30
    URI: https://eprints.bbk.ac.uk/id/eprint/46568

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