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  • Closed world assumption for disjunctive reasoning

    Author(s)
    Wang, KW
    Zhou, LZ
    Griffith University Author(s)
    Wang, Kewen
    Year published
    2001
    Metadata
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    Abstract
    In this paper, the relationship between argumentation and closed world reasoning for disjunctive information is studied. In particular, the authors propose a simple and intuitive generalization of the closed world assumption (CWA) for general disjunctive deductive databases (with default negation). This semantics called DCWA, allows a natural argumentation-based interpretation and can beused to represent reasoning for disjunctive information. We compare DCWA with GCWA and prove that DCWA extends Minker’s GCWA to the class of disjunctive databases with default negation. Also we compare our semantics with some related approaches. ...
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    In this paper, the relationship between argumentation and closed world reasoning for disjunctive information is studied. In particular, the authors propose a simple and intuitive generalization of the closed world assumption (CWA) for general disjunctive deductive databases (with default negation). This semantics called DCWA, allows a natural argumentation-based interpretation and can beused to represent reasoning for disjunctive information. We compare DCWA with GCWA and prove that DCWA extends Minker’s GCWA to the class of disjunctive databases with default negation. Also we compare our semantics with some related approaches. In addition, the computational complexity of DCWA is investigated.
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    Journal Title
    Journal of Computer Science and Technology
    Volume
    16
    Issue
    4
    DOI
    https://doi.org/10.1007/BF02948986
    Subject
    Information and Computing Sciences
    Publication URI
    http://hdl.handle.net/10072/60626
    Collection
    • Journal articles

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