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cs.LG2022
Risk-averse Contextual Multi-armed Bandit Problem with Linear Payoffs
Yifan Lin, Yuhao Wang, Enlu Zhou
In this paper we consider the contextual multi-armed bandit problem for linear payoffs under a risk-averse criterion. At each round, contexts are revealed for each arm, and the dec…
math.OC2022★ 3 cited
Bayesian Stochastic Gradient Descent for Stochastic Optimization with Streaming Input Data
Tianyi Liu, Yifan Lin, Enlu Zhou
We consider stochastic optimization under distributional uncertainty, where the unknown distributional parameter is estimated from streaming data that arrive sequentially over time…