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» Programming in Hybrid Constraint Languages
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ICLP
2009
Springer
16 years 5 months ago
Encoding Table Constraints in CLP(FD) Based on Pair-Wise AC
We present an implementation of table constraints in CLP(FD). For binary constraints, the supports of each value are represented as a finite-domain variable, and action rules are u...
Neng-Fa Zhou
CP
2007
Springer
15 years 11 months ago
Encodings of the Sequence Constraint
Abstract. The SEQUENCE constraint is useful in modelling car sequencing, rostering, scheduling and related problems. We introduce half a dozen new encodings of the SEQUENCE constra...
Sebastian Brand, Nina Narodytska, Claude-Guy Quimp...
CP
2009
Springer
16 years 5 months ago
Constraints of Difference and Equality: A Complete Taxonomic Characterisation
Abstract. Many combinatorial problems encountered in practice involve constraints that require that a set of variables take distinct or equal values. The AllDifferent constraint, i...
Emmanuel Hebrard, Dániel Marx, Barry O'Sull...
CP
2003
Springer
15 years 10 months ago
An Algebraic Approach to Multi-sorted Constraints
Abstract. Most previous theoretical study of the complexity of the constraint satisfaction problem has considered a simplified version of the problem in which all variables have t...
Andrei A. Bulatov, Peter Jeavons
CP
2009
Springer
16 years 5 months ago
The Complexity of Valued Constraint Models
The Valued Constraint Satisfaction Problem (VCSP) is a general framework encompassing many optimisation problems. We discuss precisely what it means for a problem to be modelled in...
Peter G. Jeavons, Stanislav Zivný