Landmark topological coverings derived from traversibility metrics enable three transfer mechanisms with theoretical Q-value bounds in goal-based multi-task lifelong RL.
Multi-Advisor Reinforcement Learning
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abstract
We consider tackling a single-agent RL problem by distributing it to $n$ learners. These learners, called advisors, endeavour to solve the problem from a different focus. Their advice, taking the form of action values, is then communicated to an aggregator, which is in control of the system. We show that the local planning method for the advisors is critical and that none of the ones found in the literature is flawless: the egocentric planning overestimates values of states where the other advisors disagree, and the agnostic planning is inefficient around danger zones. We introduce a novel approach called empathic and discuss its theoretical aspects. We empirically examine and validate our theoretical findings on a fruit collection task.
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cs.LG 1years
2019 1verdicts
UNVERDICTED 1representative citing papers
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On mechanisms for transfer using landmark value functions in multi-task lifelong reinforcement learning
Landmark topological coverings derived from traversibility metrics enable three transfer mechanisms with theoretical Q-value bounds in goal-based multi-task lifelong RL.