V2EX game-tree

Game-Tree

释义 Definition

游戏树:在博弈论、计算机科学与人工智能中,用树状结构表示一个对弈(或决策)过程的所有可能局面与走法分支;节点表示局面(状态),边表示行动(落子/选择)。常用于分析象棋、围棋、井字棋等以及一般的对抗性搜索问题。(也可写作 game tree

发音 Pronunciation (IPA)

/em tri/

词源 Etymology

game(游戏、对局) + tree(树,指树形结构) 组成,是计算机科学中常见的组合词,用“树”来形象表示“从当前局面向未来所有可能走法不断分叉”的结构;该术语在早期博弈论与计算机博弈研究中逐渐固定下来。

例句 Examples

The program builds a game-tree to choose its next move.
程序会构建一棵游戏树来选择下一步。

To evaluate positions efficiently, the engine explores the game-tree with minimax and prunes unlikely branches using alphabeta pruning.
为了高效评估局面,引擎用极小化极大(minimax)搜索游戏树,并用 αβ 剪枝去掉不太可能的分支。

相关词 Related Words

文学与著作中的用例 Notable Works

  • Stuart Russell & Peter Norvig《Artificial Intelligence: A Modern Approach》:在对抗性搜索(adversarial search)章节中系统讲解 game tree、极小化极大与 αβ 剪枝。
  • Aviezri S. Fraenkel 等编《The Handbook of Combinatorial Game Theory》:讨论多类对弈结构与分析方法时常涉及游戏树/博弈树表示。
  • Jonathan Schaeffer《One Jump Ahead: Challenging Human Supremacy in Checkers》:介绍跳棋程序如何用搜索与剪枝在(博弈)树上进行决策。
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