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CP
2009
Springer

Evaluation of Length-Lex Set Variables

15 years 5 days ago
Evaluation of Length-Lex Set Variables
This paper presents the first experimental evaluation of the length-lex domain for set variables. The implementation is based on bound-consistency algorithms proposed in earlier work and two novel technical contributions: a generic filtering algorithm which automatically pushes ordering constraints into symmetric binary constraints with only a logarithmic overhead and an adaptation of symmetry-breaking constraints from 0/1 matrices to the length-lex ordering. The experimental results indicate that the length-lex representation for set variables is very effective and robust on traditional set-CSPs benchmarks.
Justin Yip, Pascal Van Hentenryck
Added 22 Nov 2009
Updated 22 Nov 2009
Type Conference
Year 2009
Where CP
Authors Justin Yip, Pascal Van Hentenryck
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