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» The Cardinality Matrix Constraint
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SAT
2009
Springer
124views Hardware» more  SAT 2009»
15 years 4 months ago
Cardinality Networks and Their Applications
We introduce Cardinality Networks, a new CNF encoding of cardinality constraints. It improves upon the previously existing encodings such as the sorting networks of [ES06] in that ...
Roberto Asín, Robert Nieuwenhuis, Albert Ol...
84
Voted
AAAI
2008
14 years 12 months ago
Reasoning with Cardinal Directions: An Efficient Algorithm
Direction relations between extended spatial objects are important commonsense knowledge. Recently, Goyal and Egenhofer proposed a formal model, called Cardinal Direction Calculus...
Xiaotong Zhang, Weiming Liu, Sanjiang Li, Mingshen...
SAT
2009
Springer
94views Hardware» more  SAT 2009»
15 years 4 months ago
Sequential Encodings from Max-CSP into Partial Max-SAT
Abstract. We define new encodings from Max-CSP into Partial MaxSAT which are obtained by modelling the at-most-one condition with the sequential SAT encoding of the cardinality co...
Josep Argelich, Alba Cabiscol, Inês Lynce, F...
MFCS
2005
Springer
15 years 3 months ago
Online Interval Coloring with Packing Constraints
We study online interval coloring problems with bandwidth. We are interested in some variants motivated by bin packing problems. Specifically we consider open-end coloring, cardin...
Leah Epstein, Meital Levy
HEURISTICS
2006
148views more  HEURISTICS 2006»
14 years 9 months ago
On global warming: Flow-based soft global constraints
In case a CSP is over-constrained, it is natural to allow some constraints, called soft constraints, to be violated. We propose a generic method to soften global constraints that c...
Willem Jan van Hoeve, Gilles Pesant, Louis-Martin ...