Tree-based Monte-Carlo Tree Search (MCTS) duplicates the same state when it is reached through different trajectories, which can waste simulations in stochastic MDPs. We introduce Graph-Based Stochastic-Power-UCT (GS-Power-UCT), which shares states reached at the same planning depth while keeping separate values for st...
T. Tran, Viet Bao Mai, Ho-Ang Ta et al.· 0 citations
A new robust variant of MCTS that mitigates dynamical model ambiguities to bridge the gap between simulation-based planning and real-world deployment and empirical evidence is provided that this method achieves robust performance in planning problems even under significant ambiguity in the underlying reward distributio...
T. Dam, Kishan Panaganti, Brahim Driss et al.· International Conference on...· 4 citations
A novel MCTS algorithm, \Algname, designed for continuous, stochastic MDPs, that integrates a power mean as a value backup operator, alongside a polynomial exploration bonus to address the non-stationarity inherent in continuous action spaces.
T. Dam· International Conference on...· 3 citations
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