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cs.LG2023
Toward Highly Efficient and Private Submodular Maximization via Matrix-Based Acceleration
Boyu Liu, Lianke Qin, Zhao Song +2
Submodular function maximization is a critical building block for diverse tasks, such as document summarization, sensor placement, and image segmentation. Yet its practical utility…
cs.LG2023
A Unified Framework of Policy Learning for Contextual Bandit with Confounding Bias and Missing Observations
Siyu Chen, Yitan Wang, Zhaoran Wang +1
We study the offline contextual bandit problem, where we aim to acquire an optimal policy using observational data. However, this data usually contains two deficiencies: (i) some v…