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CP
2000
Springer
13 years 12 months ago
Constraint Propagation for Soft Constraints: Generalization and Termination Conditions
Soft constraints based on semirings are a generalization of classical constraints, where tuples of variables' values in each soft constraint are uniquely associated to element...
Stefano Bistarelli, Rosella Gennari, Francesca Ros...
CPAIOR
2004
Springer
14 years 1 months ago
Super Solutions in Constraint Programming
To improve solution robustness, we introduce the concept of super solutions to constraint programming. An (a, b)-super solution is one in which if a variables lose their values, th...
Emmanuel Hebrard, Brahim Hnich, Toby Walsh
CORR
2010
Springer
136views Education» more  CORR 2010»
13 years 5 months ago
Schaefer's theorem for graphs
Schaefer's theorem is a complexity classification result for so-called Boolean constraint satisfaction problems: it states that every Boolean constraint satisfaction problem ...
Manuel Bodirsky, Michael Pinsker
IJCAI
2001
13 years 9 months ago
Backtracking Through Biconnected Components of a Constraint Graph
The algorithm presented here, BCC, is an enhancement of the well known Backtrack used to solve constraint satisfaction problems. Though most backtrack improvements rely on propaga...
Jean-François Baget, Yannic S. Tognetti
ICTAI
2006
IEEE
14 years 1 months ago
Finding Crucial Subproblems to Focus Global Search
Traditional global search heuristics to solve constraint satisfaction problems focus on properties of an individual variable that mandate early search attention. If, however, one ...
Susan L. Epstein, Richard J. Wallace