AAAI
1998
14 years 4 months ago
1998
In [4], Freuderdefines several types of interchangeability to capture the equivalenceamongthe valuesof a variable in a discrete constraint satisfaction problem(CSP), and provides ...
AAAI
2004
14 years 4 months ago
2004
We study local interchangeability of values in constraint networks based on a new approach where a single value in the domain of a variable can be treated as a combination of &quo...
CP
2004
Springer
14 years 6 months ago
2004
Springer
Symmetry in constraint problems can be exploited to greatly improve search performance. A form of symmetry that has been the subject of considerable research is value interchangeab...