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A translational approach to constraint answer set solving

Published online by Cambridge University Press:  09 July 2010

CHRISTIAN DRESCHER  and
TOBY WALSH
CHRISTIAN DRESCHER
Affiliation:
Vienna University of Technology, Austria
TOBY WALSH
Affiliation:
NICTA and University of New South Wales, Australia
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Abstract

We present a new approach to enhancing Answer Set Programming (ASP) with Constraint Processing techniques which allows for solving interesting Constraint Satisfaction Problems in ASP. We show how constraints on finite domains can be decomposed into logic programs such that unit-propagation achieves arc, bound or range consistency. Experiments with our encodings demonstrate their computational impact.

Keywords

answer set programmingconstraint processingdecomposition
Type
Regular Papers
Information
Theory and Practice of Logic Programming , Volume 10 , Special Issue 4-6: 26th International Conference on Logic Programming , July 2010 , pp. 465 - 480
Copyright
Copyright © Cambridge University Press 2010

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