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|Abstract:||© 2016 IEEE. We study distributed cooperative decision-making under the explore-exploit tradeoff in the multiarmed bandit (MAB) problem. We extend state-of-the-art frequentist and Bayesian algorithms for single-agent MAB problems to cooperative distributed algorithms for multi-agent MAB problems in which agents communicate according to a fixed network graph. We rely on a running consensus algorithm for each agent's estimation of mean rewards from its own rewards and the estimated rewards of its neighbors. We prove the performance of these algorithms and show that they asymptotically recover the performance of a centralized agent. Further, we rigorously characterize the influence of the communication graph structure on the decision-making performance of the group.|
|Citation:||Landgren, P, Srivastava, V, Leonard, NE. (2016). Distributed cooperative decision-making in multiarmed bandits: Frequentist and Bayesian algorithms. 2016 IEEE 55th Conference on Decision and Control, CDC 2016, 167 - 172. doi:10.1109/CDC.2016.7798264|
|Pages:||167 - 172|
|Type of Material:||Conference Proceeding|
|Journal/Proceeding Title:||2016 IEEE 55th Conference on Decision and Control, CDC 2016|
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