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@InProceedings{ICML08-jong,
    author="Nicholas K.\ Jong and Peter Stone",
    title="Hierarchical Model-Based Reinforcement Learning: {Rmax} + {MAXQ}",
    booktitle="Proceedings of the Twenty-Fifth International Conference on Machine Learning",
    month="July",year="2008",
    abstract={ Hierarchical decomposition promises to help scale
               reinforcement learning algorithms naturally to
               real-world problems by exploiting their underlying
               structure.  Model-based algorithms, which provided the
               first finite-time convergence guarantees for
               reinforcement learning, may also play an important
               role in coping with the relative scarcity of data in
               large environments.  In this paper, we introduce an
               algorithm that fully integrates modern hierarchical
               and model-learning methods in the standard
               reinforcement learning setting.  Our algorithm,
               \textsc{R-maxq}, inherits the efficient model-based
               exploration of the \textsc{R-max} algorithm and the
               opportunities for abstraction provided by the MAXQ
               framework.  We analyze the sample complexity of our
               algorithm, and our experiments in a standard
               simulation environment illustrate the advantages of
               combining hierarchies and models.  },
    wwwnote={<a href="http://icml2008.cs.helsinki.fi/">ICML 2008</a>},
}
