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CP
2006
Springer
13 years 7 months ago
General Symmetry Breaking Constraints
We describe some new propagators for breaking symmetries in constraint satisfaction problems. We also introduce symmetry breaking constraints to deal with symmetries acting simulta...
Toby Walsh
CSCLP
2004
Springer
13 years 7 months ago
Constraint-Based Approaches to the Covering Test Problem
Covering arrays have been studied for their applications to drug screening and software and hardware testing. In this paper, we model the problem as a constraint program. Our propo...
Brahim Hnich, Steven David Prestwich, Evgeny Selen...
CPAIOR
2005
Springer
13 years 9 months ago
Symmetry Breaking and Local Search Spaces
The effects of combining search and modelling techniques can be complex and unpredictable, so guidelines are very important for the design and development of effective and robust s...
Steven David Prestwich, Andrea Roli