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CI
1998
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13 years 10 months ago
Pattern Databases
A pattern database is a lookup table that stores an exact evaluation function for a relaxed search problem, which provides an admissible heuristic for the original search problem....
Joseph C. Culberson, Jonathan Schaeffer
JAIR
2007
107views more  JAIR 2007»
13 years 10 months ago
Compressed Pattern Databases
A pattern database (PDB) is a heuristic function implemented as a lookup table that stores the lengths of optimal solutions for subproblem instances. Standard PDBs have a distinct...
Ariel Felner, Richard E. Korf, Ram Meshulam, Rober...
SARA
2005
Springer
14 years 4 months ago
Solving the 24 Puzzle with Instance Dependent Pattern Databases
A pattern database (PDB) is a heuristic function in a form of a lookup table which stores the cost of optimal solutions for instances of subproblems. bproblems are generated by abs...
Ariel Felner, Amir Adler
CIG
2005
IEEE
14 years 4 months ago
Bayesian Generation and Integration of K-nearest-neighbor Patterns for 19x19 Go
Abstract- This paper describes the generation and utilisation of a pattern database for 19x19 go with the Knearest-neighbor representation. Patterns are generated by browsing recor...
Bruno Bouzy, Guillaume Chaslot