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CI
1998
78views more  CI 1998»
13 years 9 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 9 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 2 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 3 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