Modeling Others using Oneself in Multi-Agent Reinforcement Learning

02/26/2018 ∙ by Roberta Raileanu, et al. ∙ 0 ∙ share

We consider the multi-agent reinforcement learning setting with imperfect information in which each agent is trying to maximize its own utility. The reward function depends on the hidden state (or goal) of both agents, so the agents must infer the other players' hidden goals from their observed behavior in order to solve the tasks. We propose a new approach for learning in these domains: Self Other-Modeling (SOM), in which an agent uses its own policy to predict the other agent's actions and update its belief of their hidden state in an online manner. We evaluate this approach on three different tasks and show that the agents are able to learn better policies using their estimate of the other players' hidden states, in both cooperative and adversarial settings.

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Authors

Roberta Raileanu
7 publications
Emily Denton
16 publications
Arthur Szlam
54 publications
Rob Fergus
35 publications

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