A Linear Matching Bandit Approach to Online Multi-Human Multi-Robot Teaming
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Computer Science > Machine Learning
Title:A Linear Matching Bandit Approach to Online Multi-Human Multi-Robot Teaming
Abstract:We address the problem of online multi-human multi-robot teaming through the lens of a linear matching bandit framework, where a learner assigns robots with unknown features from a fixed pool to distinct sets of human agents over multiple rounds. To solve this problem, we propose LinMatch, an online learning algorithm that updates the confidence intervals of the unknown features and makes the optimistic matching under uncertainty. The contributions and novelty of this work are twofold. First, we recast the optimistic matching problem in each round as a linear program of maximum weighted matching, efficiently solvable by the celebrated Hungarian algorithm. Second, we provide novel bounds for matching with linear feature problems, showing an upper bound of $\tilde{O}(d\sqrt{MKT})$ and a minimax lower bound of $\Omega(d\sqrt{MKT})$, establishing a tight optimal regret rate of $\tilde{\Theta}(d\sqrt{MKT})$. This demonstrates that LinMatch achieves strictly optimal achievable regret with respect to the total number of rounds $T$, the feature dimension $d$, and the matching parameters $M$ and $K$. The proposed algorithm and bounds apply to a wide range of matching problems with applications beyond human-robot matching, such as housing allocation, recommendation systems, and more.
| Subjects: | Machine Learning (cs.LG) |
| Cite as: | arXiv:2606.29221 [cs.LG] |
| (or arXiv:2606.29221v1 [cs.LG] for this version) | |
| https://doi.org/10.48550/arXiv.2606.29221
arXiv-issued DOI via DataCite (pending registration)
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