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AAAI
1994
13 years 5 months ago
Improving Repair-Based Constraint Satisfaction Methods by Value Propagation
A constraint satisfaction problem (CSP) is a problem to find an assignment that satisfies given constraints. An interesting approach to CSP is a repair-based method that first gen...
Nobuhiro Yugami, Yuiko Ohta, Hirotaka Hara
CONSTRAINTS
2006
105views more  CONSTRAINTS 2006»
13 years 4 months ago
Symmetry Breaking Constraints for Value Symmetries in Constraint Satisfaction
Constraint satisfaction problems (CSPs) sometimes contain both variable symmetries and value symmetries, causing adverse effects on CSP solvers based on tree search. As a remedy, s...
Y. Law, J. Lee
AAAI
1996
13 years 5 months ago
Enhancements of Branch and Bound Methods for the Maximal Constraint Satisfaction Problem
Two methods are described for enhancing performance of branch and bound methods for overconstrained CSPS. These methods improve either the upper or lower bound, respectively, duri...
Richard J. Wallace
CADE
2000
Springer
13 years 8 months ago
Two Techniques to Improve Finite Model Search
Abstract. This article introduces two techniques to improve the propagation efficiency of CSP based finite model generation methods. One approach consists in statically rewriting ...
Gilles Audemard, Belaid Benhamou, Laurent Henocque
ACG
2009
Springer
13 years 11 months ago
Monte-Carlo Kakuro
Abstract. Kakuro consists in filling a grid with integers that sum up to predefined values. Sums are predefined for each row and column and all integers have to be different in ...
Tristan Cazenave