Publications

First Author Publications

1. NeurIPS

   

   Unified Off-Policy Learning to Rank: a Reinforcement Learning Perspective

   Zeyu Zhang, Yi Su, Hui Yuan, and 5 more authors

   In Advances in Neural Information Processing Systems, 2023

   Bib PDF Code

   @inproceedings{zhang2023unified,
     title = {Unified Off-Policy Learning to Rank: a Reinforcement Learning Perspective},
     author = {Zhang, Zeyu and Su, Yi and Yuan, Hui and Wu, Yiran and Balasubramanian, Rishab and Wu, Qingyun and Wang, Huazheng and Wang, Mengdi},
     booktitle = {Advances in Neural Information Processing Systems},
     volume = {36},
     pages = {19887--19907},
     year = {2023},
     publisher = {Curran Associates, Inc.},
     editor = {Oh, A. and Naumann, T. and Globerson, A. and Saenko, K. and Hardt, M. and Levine, S.},
     url = {https://proceedings.neurips.cc/paper_files/paper/2023/file/3f1b6e97a5eb3b10e6b0c99b022988eb-Paper-Conference.pdf},
   }

Co-authored Publications

1. AISTATS

   

   LAMP: Extracting Locally Linear Decision Surfaces from LLM World Models

   Ryan Chen, Youngmin Ko, Zeyu Zhang, and 5 more authors

   2025

   Spotlight arXiv Bib HTML

   Accepted as Spotlight paper at AISTATS 2026

   @misc{chen2025lamp,
     title = {LAMP: Extracting Locally Linear Decision Surfaces from LLM World Models},
     author = {Chen, Ryan and Ko, Youngmin and Zhang, Zeyu and Cho, Catherine and Chung, Sunny and Giuffré, Mauro and Shung, Dennis L. and Stadie, Bradly C.},
     year = {2025},
     archiveprefix = {arXiv},
     primaryclass = {cs.LG},
     url = {https://arxiv.org/abs/2505.11772},
   }