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cs.LG2024
Meta Learning in Bandits within Shared Affine Subspaces
Steven Bilaj, Sofien Dhouib, Setareh Maghsudi
We study the problem of meta-learning several contextual stochastic bandits tasks by leveraging their concentration around a low-dimensional affine subspace, which we learn via onl…
cs.LG2023
Piecewise-Stationary Combinatorial Semi-Bandit with Causally Related Rewards
Behzad Nourani-Koliji, Steven Bilaj, Amir Rezaei Balef +1
We study the piecewise stationary combinatorial semi-bandit problem with causally related rewards. In our nonstationary environment, variations in the base arms' distributions, cau…
cs.LG2022
Hypothesis Transfer in Bandits by Weighted Models
Steven Bilaj, Sofien Dhouib, Setareh Maghsudi
We consider the problem of contextual multi-armed bandits in the setting of hypothesis transfer learning. That is, we assume having access to a previously learned model on an unobs…