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20152023
most citedSimultaneous Clustering and Estimation of Heterogeneous Graphical Models

58 citations · 169 across the 25 of their papers we have counts for

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Showing 2020Show all

6 papers · 1 filter

cs.LG2020★ 10 cited

Sparse Feature Selection Makes Batch Reinforcement Learning More Sample Efficient

Botao Hao, Yaqi Duan, Tor Lattimore +2

This paper provides a statistical analysis of high-dimensional batch Reinforcement Learning (RL) using sparse linear function approximation. When there is a large number of candida…

stat.ML2020★ 15 cited

High-Dimensional Sparse Linear Bandits

Botao Hao, Tor Lattimore, Mengdi Wang

Stochastic linear bandits with high-dimensional sparse features are a practical model for a variety of domains, including personalized medicine and online advertising. We derive a…

cs.LG2020★ 3 cited

Online Sparse Reinforcement Learning

Botao Hao, Tor Lattimore, Csaba Szepesvári +1

We investigate the hardness of online reinforcement learning in fixed horizon, sparse linear Markov decision process (MDP), with a special focus on the high-dimensional regime wher…

stat.ML2020★ 1 cited

Stochastic Low-rank Tensor Bandits for Multi-dimensional Online Decision Making

Jie Zhou, Botao Hao, Zheng Wen +2

Multi-dimensional online decision making plays a crucial role in many real applications such as online recommendation and digital marketing. In these problems, a decision at each t…

stat.ML2020★ 5 cited

Residual Bootstrap Exploration for Bandit Algorithms

Chi-Hua Wang, Yang Yu, Botao Hao +1

In this paper, we propose a novel perturbation-based exploration method in bandit algorithms with bounded or unbounded rewards, called residual bootstrap exploration (\texttt{ReBoo…

cs.LG2020★ 8 cited

Adaptive Approximate Policy Iteration

Botao Hao, Nevena Lazic, Yasin Abbasi-Yadkori +2

Model-free reinforcement learning algorithms combined with value function approximation have recently achieved impressive performance in a variety of application domains. However,…