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Journal of Logic and Computation Advance Access published online on September 4, 2007
Journal of Logic and Computation, doi:10.1093/logcom/exm051
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© The Author, 2007. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Original papers

Combining Syntax and Semantics through Prime Form Representation

Guilherme Bittencourt

Departamento de Automação e Sistemas, Universidade Federal de Santa Catarina, 88040-900 - Florianópolis - SC - Brazil E-mail: gb{at}das.ufsc.br

Received 22 January 2007.


  Abstract

This article presents an algorithm that, besides calculating the number of models of a propositional logic theory, also determines the distribution of these models among the terms of a disjunctive normal form representation of the theory. Using prime implicants to represent the target theory, in a knowledge compilation context, we discuss how this distribution can be used to define belief change operators that respect the theory structure. Some experimental results are also presented.

Keywords: Knowledge representation; model counting; prime implicants; knowledge compilation; belief revision


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