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CORR
2011
Springer
207views Education» more  CORR 2011»
13 years 3 months ago
The AllDifferent Constraint with Precedences
We propose ALLDIFFPREC, a new global constraint that combines together an ALLDIFFERENT constraint with precedence constraints that strictly order given pairs of variables. We ident...
Christian Bessiere, Nina Narodytska, Claude-Guy Qu...
DATE
2004
IEEE
175views Hardware» more  DATE 2004»
14 years 24 days ago
Breaking Instance-Independent Symmetries in Exact Graph Coloring
Code optimization and high level synthesis can be posed as constraint satisfaction and optimization problems, such as graph coloring used in register allocation. Graph coloring is...
Arathi Ramani, Fadi A. Aloul, Igor L. Markov, Kare...
CPAIOR
2010
Springer
14 years 1 months ago
The Increasing Nvalue Constraint
This paper introduces the Increasing Nvalue constraint, which restricts the number of distinct values assigned to a sequence of variables so that each variable in the sequence is l...
Nicolas Beldiceanu, Fabien Hermenier, Xavier Lorca...
CP
2004
Springer
14 years 2 months ago
Global Constraints for Integer and Set Value Precedence
The paper introduces value precedence on integer and set sequences. A useful application of the notion is in breaking symmetries of indistinguishable values, an important class of ...
Yat Chiu Law, Jimmy Ho-Man Lee
PODC
2010
ACM
14 years 29 days ago
A new technique for distributed symmetry breaking
We introduce Multi-Trials, a new technique for symmetry breaking for distributed algorithms and apply it to various problems in general graphs. For instance, we present three rand...
Johannes Schneider, Roger Wattenhofer