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Online Feature Selection for Model-based Reinforcement Learning
Authors: Trung Nguyen, Zhuoru Li, Tomi Silander and Tze Y. Leong
Conference: Proceedings of the 30th International Conference on Machine Learning (ICML-13)
Abstract: We propose a new framework for learning the world dynamics of feature-rich environments in model-based reinforcement learning. The main idea is formalized as a new, factored state-transition representation that supports efficient online-learning of the relevant features. We construct the transition models through predicting how the actions change the world. We introduce an online sparse coding learning technique for feature selection in high-dimensional spaces. We derive theoretical guarantees for our framework and empirically demonstrate its practicality in both simulated and real robotics domains.
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