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IJCAI
2007
14 years 11 months ago
Constraint Partitioning for Solving Planning Problems with Trajectory Constraints and Goal Preferences
The PDDL3 specifications include soft goals and trajectory constraints for distinguishing highquality plans among the many feasible plans in a solution space. To reduce the compl...
Chih-Wei Hsu, Benjamin W. Wah, Ruoyun Huang, Yixin...
PPSN
2010
Springer
14 years 8 months ago
Variable Neighborhood Search and Ant Colony Optimization for the Rooted Delay-Constrained Minimum Spanning Tree Problem
Abstract. The rooted delay-constrained minimum spanning tree problem is an NP-hard combinatorial optimization problem arising for example in the design of centralized broadcasting ...
Mario Ruthmair, Günther R. Raidl
CONSTRAINTS
2002
107views more  CONSTRAINTS 2002»
14 years 9 months ago
Fourier Elimination for Compiling Constraint Hierarchies
Linear equality and inequality constraints arise naturally in specifying many aspects of user interfaces, such as requiring that one window be to the left of another, requiring tha...
Warwick Harvey, Peter J. Stuckey, Alan Borning
67
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CEC
2007
IEEE
15 years 1 months ago
Solving, rating and generating Sudoku puzzles with GA
This paper studies the problems involved in solving, rating and generating Sudoku puzzles with genetic algorithms (GA). Sudoku is a number puzzle that has recently become a worldwi...
Timo Mantere, Janne Koljonen
CSUR
2000
69views more  CSUR 2000»
14 years 9 months ago
The framework approach for constraint satisfaction
: Constraint satisfaction programming (CSP) is a powerful paradigm for solving complex combinatorial problems, which has gained a lot of attention recently. Putting the power of co...
Pierre Roy, Anne Liret, François Pachet