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Erschienen in:
2006 | OriginalPaper | Buchkapitel
Similarity Pruning in PrOM Search
verfasst von : H. (Jeroen) H. L. M. Donkers, H. Jaap van den Herik, Jos W. H. M. Uiterwijk
Erschienen in: Advances in Computer Games
Verlag: Springer Berlin Heidelberg
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In this paper we introduce a new pruning mechanism, called
Similarity Pruning
for Probabilistic Opponent-Model (PrOM) Search. It is based on imposing a bound on the differences between two or more evaluation functions. Assuming such a bound exists, we are able to prove two theoretical properties, viz., the bound-conservation property and the bounded-gain property. Using these properties we develop a Similarity-Pruning algorithm. Subsequently we conduct a series of experiments on random game trees to measure the efficiency of the new algorithm. The results show that Similarity Pruning increases the efficiency of PrOM search considerably.