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The PMA and relativizing change for action update
1998 (English)In: Proceedings of the 6th International Conference on Principles of Knowledge Representation and Reasoning (KR), Morgan Kaufmann Publishers, 1998, 258-269Konferensbidrag (Refereed)
Abstract [en]

Using intuitions from the temporal reasoning community, we provide a generalization of the PMA, called the modified PMA (MPMA), which permits the representation of disjunctive updates and the use of integrity constraints interpreted as causal constraints. In addition, we provide a number of syntactic characterizations of the MPMA, one of which is constructed by mapping an MPMA update of a knowledge base into a temporal narrative in a simple temporal logic (STL). The resulting representation theorem provides a basis for computing entailments of the MPMA and could serve as a basis for further generalization of the belief update approach for reasoning about action and change.

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Computer Science
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urn:nbn:se:liu:diva-41456 (URN)56713 (Local ID)oai:DiVA.org:liu-41456 (OAI)
Available from2009-10-10 Created:2009-10-10 Last updated:2011-04-15

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Doherty, PatrickLukaszewicz, WitoldMadalinska-Bugaj, Ewa
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The Institute of TechnologyKPLAB - Knowledge Processing Lab
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