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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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13 papers · 1 filter

cs.LG2023

Efficient Online Learning with Offline Datasets for Infinite Horizon MDPs: A Bayesian Approach

Dengwang Tang, Rahul Jain, Botao Hao +1

In this paper, we study the problem of efficient online reinforcement learning in the infinite horizon setting when there is an offline dataset to start with. We assume that the of…

cs.LG2023

Bridging Imitation and Online Reinforcement Learning: An Optimistic Tale

Botao Hao, Rahul Jain, Dengwang Tang +1

In this paper, we address the following problem: Given an offline demonstration dataset from an imperfect expert, what is the best way to leverage it to bootstrap online learning p…

cs.LG2023

Leveraging Demonstrations to Improve Online Learning: Quality Matters

Botao Hao, Rahul Jain, Tor Lattimore +2

We investigate the extent to which offline demonstration data can improve online learning. It is natural to expect some improvement, but the question is how, and by how much? We sh…

cs.LG2023★ 2 cited

Sample Efficient Deep Reinforcement Learning via Local Planning

Dong Yin, Sridhar Thiagarajan, Nevena Lazic +3

The focus of this work is sample-efficient deep reinforcement learning (RL) with a simulator. One useful property of simulators is that it is typically easy to reset the environmen…

cs.LG2022★ 1 cited

Contextual Information-Directed Sampling

Botao Hao, Tor Lattimore, Chao Qin

Information-directed sampling (IDS) has recently demonstrated its potential as a data-efficient reinforcement learning algorithm. However, it is still unclear what is the right for…

cs.LG2022★ 2 cited

Regret Bounds for Information-Directed Reinforcement Learning

Botao Hao, Tor Lattimore

Information-directed sampling (IDS) has revealed its potential as a data-efficient algorithm for reinforcement learning (RL). However, theoretical understanding of IDS for Markov D…

cs.LG2021★ 2 cited

The Neural Testbed: Evaluating Joint Predictions

Ian Osband, Zheng Wen, Seyed Mohammad Asghari +7

Predictive distributions quantify uncertainties ignored by point estimates. This paper introduces The Neural Testbed: an open-source benchmark for controlled and principled evaluat…

cs.LG2021★ 2 cited

Efficient Local Planning with Linear Function Approximation

Dong Yin, Botao Hao, Yasin Abbasi-Yadkori +2

We study query and computationally efficient planning algorithms with linear function approximation and a simulator. We assume that the agent only has local access to the simulator…

cs.LG2021★ 2 cited

Optimization Issues in KL-Constrained Approximate Policy Iteration

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

Many reinforcement learning algorithms can be seen as versions of approximate policy iteration (API). While standard API often performs poorly, it has been shown that learning can…

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…

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…

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,…

cs.LG2019★ 6 cited

Adaptive Exploration in Linear Contextual Bandit

Botao Hao, Tor Lattimore, Csaba Szepesvari

Contextual bandits serve as a fundamental model for many sequential decision making tasks. The most popular theoretically justified approaches are based on the optimism principle.…