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AUSAI
2006
Springer
13 years 9 months ago
Finite Domain Bounds Consistency Revisited
A widely adopted approach to solving constraint satisfaction problems combines systematic tree search with constraint propagation for pruning the search space. Constraint propagati...
Chiu Wo Choi, Warwick Harvey, J. H. M. Lee, Peter ...
CONSTRAINTS
2006
83views more  CONSTRAINTS 2006»
13 years 5 months ago
Applying Ad-hoc Global Constraints with the case Constraint to Still-Life
Abstract. The Still-Life problem is challenging for CP techniques because the basic constraints of the game of Life are loose and give poor propagation for Still-Life. In this pape...
Kenil C. K. Cheng, Roland H. C. Yap
ECAI
2010
Springer
13 years 3 months ago
Improving the Global Constraint SoftPrec
A soft global constraint SOFTPREC has been proposed recently for solving optimisation problems involving precedence relations. In this paper we present new pruning rules for this g...
David Lesaint, Deepak Mehta, Barry O'Sullivan, Lui...
CPAIOR
2004
Springer
13 years 9 months ago
A Global Constraint for Graph Isomorphism Problems
The graph isomorphism problem consists in deciding if two given graphs have an identical structure. This problem can be modeled as a constraint satisfaction problem in a very strai...
Sébastien Sorlin, Christine Solnon
EAAI
2008
101views more  EAAI 2008»
13 years 5 months ago
A global constraint for total weighted completion time for cumulative resources
The criterion of total weighted completion time occurs as a sub-problem of combinatorial optimization problems in such diverse areas as scheduling, container loading and storage a...
András Kovács, J. Christopher Beck