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Memory-Efficient Symbolic Online Planning for Factored MDPs
Proceedings of the 31st Conference on Uncertainty in Artificial Intelligence, PMLR R13:800-809, 2015.
Abstract
Factored Markov Decision Processes (MDP) are a de facto standard for compactly modeling sequential decision making problems with uncertainty. Offline planning based on symbolic operators exploits the factored structure of MDPs, but is memory intensive. We present new memory-efficient symbolic operators for online planning that effectively generalize experience. The soundness of the operators and convergence of the planning algorithms are shown followed by experiments that demonstrate superior scalability in benchmark problems.