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CP
2009
Springer
13 years 9 months ago
Lazy Clause Generation Reengineered
Abstract. Lazy clause generation is a powerful hybrid approach to combinatorial optimization that combines features from SAT solving and finite domain (FD) propagation. In lazy cla...
Thibaut Feydy, Peter J. Stuckey
CP
2009
Springer
13 years 9 months ago
The Proper Treatment of Undefinedness in Constraint Languages
Any sufficiently complex finite-domain constraint modelling language has the ability to express undefined values, for example division by zero, or array index out of bounds. This p...
Alan M. Frisch, Peter J. Stuckey
CP
2009
Springer
13 years 9 months ago
Minimizing the Maximum Number of Open Stacks by Customer Search
We describe a new exact solver for the minimization of open stacks problem (MOSP). By combining nogood recording with a branch and bound strategy based on choosing which customer s...
Geoffrey Chu, Peter J. Stuckey
CP
2009
Springer
14 years 16 days ago
Conflict Resolution
Konstantin Korovin, Nestan Tsiskaridze, Andrei Vor...
CP
2009
Springer
14 years 2 months ago
Constraint-Based Local Search for the Automatic Generation of Architectural Tests
Abstract. This paper considers the automatic generation of architectural tests (ATGP), a fundamental problem in processor validation. ATGPs are complex conditional constraint satis...
Pascal Van Hentenryck, Carleton Coffrin, Boris Gut...
CP
2009
Springer
14 years 6 months ago
Efficient Generic Search Heuristics within the EMBP Framework
Ronan LeBras, Alessandro Zanarini, Gilles Pesant
CP
2009
Springer
14 years 6 months ago
Why Cumulative Decomposition Is Not as Bad as It Sounds
Abstract. The global cumulative constraint was proposed for modelling cumulative resources in scheduling problems for finite domain (FD) propagation. Since that time a great deal ...
Andreas Schutt, Thibaut Feydy, Peter J. Stuckey, M...
CP
2009
Springer
14 years 6 months ago
Dialectic Search
We introduce Hegel and Fichte’s dialectic as a search meta-heuristic for constraint satisfaction and optimization. Dialectic is an appealing mental concept for local search as it...
Serdar Kadioglu, Meinolf Sellmann
CP
2009
Springer
14 years 6 months ago
Reasoning about Optimal Collections of Solutions
The problem of finding a collection of solutions to a combinatorial problem that is optimal in terms of an inter-solution objective function exists in many application settings. F...
Tarik Hadzic, Alan Holland, Barry O'Sullivan
CP
2009
Springer
14 years 6 months ago
Using Relaxations in Maximum Density Still Life
The Maximum Density Sill-Life Problem is to fill an n × n board of cells with the maximum number of live cells so that the board is stable under the rules of Conway’s Game of L...
Geoffrey Chu, Peter J. Stuckey, Maria Garcia de la...