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  • A theory of forgetting in logic programming

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    Author(s)
    Wang, K
    Sattar, A
    Su, K
    Griffith University Author(s)
    Sattar, Abdul
    Wang, Kewen
    Su, Kaile
    Year published
    2005
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    Abstract
    The study of forgetting for reasoning has attracted considerable attention in AI. However, much of the work on forgetting, and other related approaches such as independence, irrelevance and novelty, has been restricted to the classical logics. This paper describes a detailed theoretical investigation of the notion of forgetting in the context of logic programming. We first provide a semantic definition of forgetting under the answer sets for extended logic programs. We then discuss the desirable properties and some motivating examples. An important result of this study is an algorithm for computing the result of forgetting ...
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    The study of forgetting for reasoning has attracted considerable attention in AI. However, much of the work on forgetting, and other related approaches such as independence, irrelevance and novelty, has been restricted to the classical logics. This paper describes a detailed theoretical investigation of the notion of forgetting in the context of logic programming. We first provide a semantic definition of forgetting under the answer sets for extended logic programs. We then discuss the desirable properties and some motivating examples. An important result of this study is an algorithm for computing the result of forgetting in a logic program. Furthermore, we present a modified version of the algorithm and show that the time complexity of the new algorithm is polynomial with respect to the size of the given logic program if the size of certain rules is fixed. We show how the proposed theory of forgetting can be used to characterize the logic program updates.
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    Conference Title
    Proceedings of the National Conference on Artificial Intelligence
    Volume
    2
    Publisher URI
    https://aaai.org/Library/AAAI/aaai05contents.php
    Copyright Statement
    © 2005 AAAI Press. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Use hypertext link for access to conference website.
    Publication URI
    http://hdl.handle.net/10072/2699
    Collection
    • Conference outputs

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