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Model-Based Episodic Memory Induces Dynamic Hybrid Controls

2021-11-03 · NeurIPS 2021 12 · Hung Le, Thommen Karimpanal George, Majid Abdolshah, Truyen Tran, Svetha Venkatesh

Episodic control enables sample efficiency in reinforcement learning by recalling past experiences from an episodic memory. We propose a new model-based episodic memory of trajectories addressing current limitations of episodic control. Our memory estimates trajectory values, guiding the agent towards good policies. Built upon the memory, we construct a complementary learning model via a dynamic hybrid control unifying model-based, episodic and habitual learning into a single architecture. Experiments demonstrate that our model allows significantly faster and better learning than other strong reinforcement learning agents across a variety of environments including stochastic and non-Markovian settings.

📄 PDF Abstract BibTeX arXiv:2111.02104

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modelreinforcement-learningReinforcement LearningReinforcement Learning (RL)

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