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CP
2008
Springer
13 years 11 months ago
Crossword Puzzles as a Constraint Problem
We present new results in crossword composition, showing that our program significantly outperforms previous successful techniques in the literature. We emphasize phase transition ...
Anbulagan, Adi Botea
TOPLAS
2008
81views more  TOPLAS 2008»
13 years 9 months ago
Size-change termination with difference constraints
lem of inferring termination from such abstract information is not the halting problem for programs and may well be decidable. If this is the case, the decision algorithm forms a &...
Amir M. Ben-Amram
CORR
2004
Springer
151views Education» more  CORR 2004»
13 years 9 months ago
Finite-Tree Analysis for Constraint Logic-Based Languages: The Complete Unabridged Version
Logic languages based on the theory of rational, possibly infinite, trees have much appeal in that rational trees allow for faster unification (due to the safe omission of the occ...
Roberto Bagnara, Roberta Gori, Patricia M. Hill, E...
CP
2009
Springer
14 years 9 months ago
Same-Relation Constraints
The ALLDIFFERENT constraint was one of the first global constraints [17] and it enforces the conjunction of one binary constraint, the not-equal constraint, for every pair of varia...
Christopher Jefferson, Karen E. Petrie, Meinolf Se...
CP
2009
Springer
14 years 9 months ago
Failed Value Consistencies for Constraint Satisfaction
In constraint satisfaction, basic inferences rely on some properties of constraint networks, called consistencies, that allow the identification of inconsistent instantiations (als...
Christophe Lecoutre, Olivier Roussel