Search Results for author: Hassan Saber

Found 4 papers, 1 papers with code

Indexed Minimum Empirical Divergence for Unimodal Bandits

no code implementations NeurIPS 2021 Hassan Saber, Pierre Ménard, Odalric-Ambrym Maillard

We consider a multi-armed bandit problem specified by a set of one-dimensional family exponential distributions endowed with a unimodal structure.

Stochastic bandits with groups of similar arms.

1 code implementation NeurIPS 2021 Fabien Pesquerel, Hassan Saber, Odalric-Ambrym Maillard

For this structured problem of practical relevance, we first derive the asymptotic regret lower bound and corresponding constrained optimization problem.

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Optimal Strategies for Graph-Structured Bandits

no code implementations7 Jul 2020 Hassan Saber, Pierre Ménard, Odalric-Ambrym Maillard

[0, 1]^{\mathcal{A}\times\mathcal{B}}$ and by a given weight matrix $\omega\!=\!

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