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Published in:
2013 | OriginalPaper | Chapter
6. Up the Down Staircase: Hierarchical Reinforcement Learning
Authors : Alexander Paprotny, Michael Thess
Published in: Realtime Data Mining
Publisher: Springer International Publishing
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Abstract
We address the question of how hierarchical, or multigrid, methods may figure in dynamic programming and reinforcement learning for recommendation engines.
After providing a general introduction, we approach the framework of hierarchical methods from both the historical analytical and algebraic viewpoints; we proceed to devising and justifying approaches to apply hierarchical methods to both the model-based as well as the model-free case. In regard to the latter, we set out from the multigrid reinforcement learning algorithms introduced by Ziv in [Ziv04] and extend these methods to finite-horizon problems.