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Rapport Année : 2022

Generalisation of alpha-beta search for AND-OR graphs with partially ordered values

Résumé

We define a new setting related to the evaluation of AND-OR directed acyclic graphs with partially ordered values. Such graphs arise naturally when solving games with incomplete information (e.g. most card games such as Bridge) or games with multiple criteria. In particular, this setting generalises standard AND-OR graph evaluation and computation of optimal strategies in games with complete information. Under this setting, we propose a new algorithm which uses both alpha-beta pruning and cached values. In this paper, we present our algorithm, prove its correctness, and give experimental results on random games and on a card game with incomplete information.
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Dates et versions

hal-03656224 , version 1 (02-05-2022)
hal-03656224 , version 2 (24-05-2022)

Identifiants

  • HAL Id : hal-03656224 , version 1

Citer

Junkang Li, Bruno Zanuttini, Tristan Cazenave, Véronique Ventos. Generalisation of alpha-beta search for AND-OR graphs with partially ordered values. [Research Report] GREYC CNRS UMR 6072, Universite de Caen. 2022. ⟨hal-03656224v1⟩
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