A Theory of Heuristic Information in Game-Tree Search (Symbolic Computation)

Tzeng, Chun-Hung:

ISBN 10: 3540186654 / ISBN 13: 9783540186656

Verlag: Springer, 1988

Beschreibung

117 p. New! 9783540186656 Sprache: Englisch Gewicht in Gramm: 431. Bestandsnummer des Verkäufers 203500

Bibliografische Details

Titel: A Theory of Heuristic Information in ...

Verlag: Springer

Erscheinungsdatum: 1988

Einband: Hardcover

Auflage: 1.

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Reseña del editor:

Searching is an important process in most AI systems, especially in those AI production systems consisting of a global database, a set of production rules, and a control system. Because of the intractability of uninformed search procedures, the use of heuristic information is necessary in most searching processes of AI systems. This important concept of heuristic informatioD is the central topic of this book. We first use the 8-puzzle and the game tic-tac-toe (noughts and crosses) as examples to help our discussion. The 8-puzzle consists of eight numbered movable tiles set in a 3 x 3 frame. One cell of the frame is empty so that it is possible to move an adjacent numbered tile into the empty cell. Given two tile configurations, initial and goal, an 8-puzzle problem consists of changing the initial configuration into the goal configuration, as illustrated in Fig. 1.1. A solution to this problem is a sequence of moves leading from the initial configuration to the goal configuration, and an optimal solution is a solution having the smallest number of moves. Not all problems have solutions; for example, in Fig. 1.1, Problem 1 has many solutions while Problem 2 has no solution at all.