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Search in Imperfect Information Games Using Online Monte Carlo Counterfactual Regret Minimization

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F14%3A00225029" target="_blank" >RIV/68407700:21230/14:00225029 - isvavai.cz</a>

  • Result on the web

    <a href="http://aaai.org/ocs/index.php/WS/AAAIW14/paper/view/8820/8353" target="_blank" >http://aaai.org/ocs/index.php/WS/AAAIW14/paper/view/8820/8353</a>

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Search in Imperfect Information Games Using Online Monte Carlo Counterfactual Regret Minimization

  • Original language description

    Online search in games has always been a core interest of artificial intelligence. Advances made in search for perfect information games (such as Chess, Checkers, Go, and Backgammon) have led to AI capable of defeating the world's top human experts. Search in imperfect information games (such as Poker, Bridge, and Skat) is significantly more challenging due to the complexities introduced by hidden information. In this paper, we present Online Outcome Sampling (OOS), the first imperfect information search algorithm that is guaranteed to converge to an equilibrium strategy in two-player zero-sum games. We show that OOS avoids common problems encountered by existing search algorithms and we experimentally evaluate its convergence rate and practical performance against benchmark strategies in Liar's Dice and a variant of Goofspiel. We show that unlike with Information Set Monte Carlo Tree Search (ISMCTS) the exploitability of the strategies produced by OOS decreases as the amount of search

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

    IN - Informatics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GAP202%2F12%2F2054" target="_blank" >GAP202/12/2054: Security Games in Extensive Form</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2014

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů