An Object-Oriented Representation for Efficient Reinforcement Learning
2008-07-01ICML '08: Proceedings of the 25th international conference on Machine learning 2008Code Available0· sign in to hype
Carlos Diuk, Andre Cohen, Michael L. Littman
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Abstract
Rich representations in reinforcement learning have been studied for the purpose of enabling generalization and making learning feasible in large state spaces. We introduce Object-Oriented MDPs (OO-MDPs), a representation based on objects and their interactions, which is a natural way of modeling environments and offers important generalization opportunities. We introduce a learning algorithm for deterministic OO-MDPs and prove a polynomial bound on its sample complexity. We illustrate the performance gains of our representation and algorithm in the well-known Taxi domain, plus a real-life videogame.