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Deriving filtering algorithms from constraint checkers
RISE, Swedish ICT, SICS, Computer Systems Laboratory.ORCID iD: 0000-0003-3079-8095
2004 (English)In: Proceedings of Principles and Practice of Constraint Programming – CP 2004, 10th International Conference, Springer , 2004, 1, Vol. 3258, 16 p.107-122 p.Conference paper, Published paper (Refereed)
Abstract [en]

This article deals with global constraints for which the set of solutions can be recognized by an extended finite automaton whose size is bounded by a polynomial in n, where n is the number of variables of the corresponding global constraint. By reformulating the automaton as a conjunction of signature and transition constraints we show how to systematically obtain a filtering algorithm. Under some restrictions on the signature and transition constraints this filtering algorithm achieves arc-consistency. An implementation based on some constraints as well as on the metaprogramming facilities of SICStus Prolog is available. For a restricted class of automata we provide a filtering algorithm for the relaxed case, where the violation cost is the minimum number of variables to unassign in order to get back to a solution.

Place, publisher, year, edition, pages
Springer , 2004, 1. Vol. 3258, 16 p.107-122 p.
Series
Lecture Notes in Computer Science, 3258
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:ri:diva-22331DOI: 10.1007/b100482ISBN: 978-3-540-23241-4 (print)OAI: oai:DiVA.org:ri-22331DiVA: diva2:1041876
Conference
Principles and Practice of Constraint Programming – CP 2004, 10th International Conference, Toronto, Canada, September 27-October 1, 2004
Note

Extended version available as SICS Tech Report T2004:08

Available from: 2016-10-31 Created: 2016-10-31 Last updated: 2017-08-10Bibliographically approved

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CiteExportLink to record
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  • apa
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