Zhihan Xiong

According to our database, Zhihan Xiong authored at least 18 papers between 2020 and 2026.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2026

The Strongest Teacher Is Not Always the Best Teacher: Student-Centric Answer Selection.

Zhengyu Hu, Zheyuan Xiao, Linxin Song, Fengqing Jiang, Yutai Li, Zhengyu Chen, Zhihan Xiong, Yue Liu, Junhao Lin, Yao Su, Lijie Hu, Kaize Ding, Xiao Teng, Radha Poovendran

CoRR, May, 2026

On The Complexity of Best-Arm Identification in Non-Stationary Linear Bandits.

Leo Maynard-Zhang, Zhihan Xiong, Kevin Jamieson, Maryam Fazel

CoRR, March, 2026

Towards Acyclic Preference Evaluation of Language Models via Multiple Evaluators.

Zhengyu Hu, Jieyu Zhang, Zhihan Xiong, Alexander Ratner, Kaize Ding, Ranjay Krishna

Proceedings of the Fortieth AAAI Conference on Artificial Intelligence, 2026

2025

LoRe: Personalizing LLMs via Low-Rank Reward Modeling.

Avinandan Bose, Zhihan Xiong, Yuejie Chi, Simon Shaolei Du, Lin Xiao, Maryam Fazel

CoRR, April, 2025

Fault Tolerant and Intelligent Reliability Assurance in Cloud-Edge Systems.

Zhihan Xiong, Sa Meng, Shen Yao, Liang Luo

Proceedings of the 12th International Conference on Dependable Systems and Their Applications, 2025

2024

Hybrid Preference Optimization for Alignment: Provably Faster Convergence Rates by Combining Offline Preferences with Online Exploration.

Avinandan Bose, Zhihan Xiong, Aadirupa Saha, Simon Shaolei Du, Maryam Fazel

CoRR, 2024

Language Model Preference Evaluation with Multiple Weak Evaluators.

Zhengyu Hu, Jieyu Zhang, Zhihan Xiong, Alexander Ratner, Hui Xiong, Ranjay Krishna

CoRR, 2024

Dual Approximation Policy Optimization.

Zhihan Xiong, Maryam Fazel, Lin Xiao

CoRR, 2024

A Black-box Approach for Non-stationary Multi-agent Reinforcement Learning.

Haozhe Jiang, Qiwen Cui, Zhihan Xiong, Maryam Fazel, Simon Shaolei Du

Proceedings of the Twelfth International Conference on Learning Representations, 2024

A/B Testing and Best-arm Identification for Linear Bandits with Robustness to Non-stationarity.

Zhihan Xiong, Romain Camilleri, Maryam Fazel, Lalit Jain, Kevin Jamieson

Proceedings of the International Conference on Artificial Intelligence and Statistics, 2024

2023

Offline Congestion Games: How Feedback Type Affects Data Coverage Requirement.

Haozhe Jiang, Qiwen Cui, Zhihan Xiong, Maryam Fazel, Simon Shaolei Du

Proceedings of the Eleventh International Conference on Learning Representations, 2023

How Hypergraph-to-Graph Conversion Affects Cooperative Working Visualization: A Multi-metric Evaluation.

Zhihan Xiong, Ruixin Mu, Chongshen Yang, Wenjun Xie, Qiang Lu

Proceedings of the Computer Supported Cooperative Work and Social Computing, 2023

2022

Near-Optimal Randomized Exploration for Tabular Markov Decision Processes.

Zhihan Xiong, Ruoqi Shen, Qiwen Cui, Maryam Fazel, Simon S. Du

Proceedings of the Advances in Neural Information Processing Systems 35: Annual Conference on Neural Information Processing Systems 2022, 2022

Learning in Congestion Games with Bandit Feedback.

Qiwen Cui, Zhihan Xiong, Maryam Fazel, Simon S. Du

Proceedings of the Advances in Neural Information Processing Systems 35: Annual Conference on Neural Information Processing Systems 2022, 2022

Fourier Learning with Cyclical Data.

Yingxiang Yang, Zhihan Xiong, Tianyi Liu, Taiqing Wang, Chong Wang

Proceedings of the International Conference on Machine Learning, 2022

2021

Randomized Exploration is Near-Optimal for Tabular MDP.

Zhihan Xiong, Ruoqi Shen, Simon S. Du

CoRR, 2021

Selective Sampling for Online Best-arm Identification.

Romain Camilleri, Zhihan Xiong, Maryam Fazel, Lalit Jain, Kevin Jamieson

Proceedings of the Advances in Neural Information Processing Systems 34: Annual Conference on Neural Information Processing Systems 2021, 2021

2020

Parameterized Indexed Value Function for Efficient Exploration in Reinforcement Learning.

Tian Tan, Zhihan Xiong, Vikranth R. Dwaracherla

Proceedings of the Thirty-Fourth AAAI Conference on Artificial Intelligence, 2020