Properties and Applications of Programs with Monotone and Convex Constraints

The authors study properties of programs with monotone and convex constraints. They extend to these formalisms concepts and results from normal logic programming. They include the notions of strong and uniform equivalence with their characterizations, tight programs and Fages Lemma, program completion and loop formulas. Their results provide an abstract account of properties of some recent extensions of logic programming with aggregates, especially the formalism of lparse programs. They imply a method to compute stable models of lparse programs by means of off-the-shelf solvers of pseudo-boolean constraints, which is often much faster than the smodels system.

Provided by: AI Access Foundation Topic: Software Date Added: Jan 2013 Format: PDF

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