Exploring with Sticky Mittens: Reinforcement Learning with Expert Interventions via Option Templates

• URL: http://arxiv.org/abs/2202.12967v1
• Date: Fri, 25 Feb 2022 20:55:34 GMT
• Title: Exploring with Sticky Mittens: Reinforcement Learning with Expert Interventions via Option Templates
• Authors: Souradeep Dutta, Kaustubh Sridhar, Osbert Bastani, Edgar Dobriban, James Weimer, Insup Lee, Julia Parish-Morris
• Abstract summary: We propose a framework for leveraging expert intervention to solve long-horizon reinforcement learning tasks. We consider option templates, which are specifications encoding a potential option that can be trained using reinforcement learning. We evaluate our approach on three challenging reinforcement learning problems, showing that it outperforms state-the-art approaches by an order of magnitude.
• Score: 31.836234758355243
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Environments with sparse rewards and long horizons pose a significant challenge for current reinforcement learning algorithms. A key feature enabling humans to learn challenging control tasks is that they often receive expert intervention that enables them to understand the high-level structure of the task before mastering low-level control actions. We propose a framework for leveraging expert intervention to solve long-horizon reinforcement learning tasks. We consider option templates, which are specifications encoding a potential option that can be trained using reinforcement learning. We formulate expert intervention as allowing the agent to execute option templates before learning an implementation. This enables them to use an option, before committing costly resources to learning it. We evaluate our approach on three challenging reinforcement learning problems, showing that it outperforms state of-the-art approaches by an order of magnitude. Project website at https://sites.google.com/view/stickymittens

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