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Identifying and Exploiting Problem Structures Using Explanation-Based Constraint Programming

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Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 3524))

Abstract

Recent work have exhibited specific structure among combinatorial problem instances that could be used to speed up search or to help users understand the dynamic and static intimate structure of the problem being solved. Several Operations Research approaches apply decomposition or relaxation strategies upon such a structure identified within a given problem. The next step is to design algorithms that adaptatively integrate that kind of information during search. We claim in this paper, inspired by previous work on impact-based search strategies for constraint programming, that using an explanation-based constraint solver may lead to collect invaluable information on the intimate dynamic and static structure of a problem instance. We define several impact graphs to be used to design generic search guiding techniques and to identify hidden structures of instances. Finally, we discuss how dedicated OR solving strategies (such as Benders decomposition) could be adapted to constraint programming when specific relationships between variables are exhibited.

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Cambazard, H., Jussien, N. (2005). Identifying and Exploiting Problem Structures Using Explanation-Based Constraint Programming. In: Barták, R., Milano, M. (eds) Integration of AI and OR Techniques in Constraint Programming for Combinatorial Optimization Problems. CPAIOR 2005. Lecture Notes in Computer Science, vol 3524. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11493853_9

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  • DOI: https://doi.org/10.1007/11493853_9

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-26152-0

  • Online ISBN: 978-3-540-32264-1

  • eBook Packages: Computer ScienceComputer Science (R0)

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