Wenlin Zhang

Wenlin Zhang

Phd student at City university of Hongkong

Wenlin Zhang

Introduction

I am now a third-year PhD candidate at AML Lab CityU, supervised by Prof.Xiangyu Zhao. Before that, I got M.S. and BS degree from Northwestern Polytechnical university in 2023 and 2020.

My research interests include Large Language Models, Recommender System, Information Retrieval.

For more information, please feel free to contact me. Email: wl.z@my.cityu.edu.hk.

Selected Publications

Conference & Journal Papers

  • Exploring Recommender System Evaluation: A Multi-Modal LLM Agent Framework for A/B Testing
    • Wenlin Zhang, Xiangyang Li, Qiyuan Ge, Kuicai Dong, Pengyue Jia, Xiaopeng Li, Zijian Zhang, Maolin Wang, Yichao Wang, Huifeng Guo, Ruiming Tang, Xiangyu Zhao
    • KDD’26 (Benchmark track), Proceedings of the 32nd ACM SIGKDD Conference on Knowledge Discovery and Data Mining, CCF-A
  • Process vs. Outcome Reward: Which is Better for Agentic RAG Reinforcement Learning
    • Wenlin Zhang, Xiangyang Li, Kuicai Dong, Yichao Wang, Pengyue Jia, Xiaopeng Li, Yingyi Zhang, Derong Xu, Zhaocheng Du, Huifeng Guo, Ruiming Tang, Xiangyu Zhao
    • NeurIPS’25, Proceedings of the 39th Annual Conference on Neural Information Processing Systems, CCF A
  • LLMTreeRec: A Tree-based Large Language Model Framework for Cold-start Recommendation
    • Wenlin Zhang, Chuhan Wu, Xiangyang Li, Yuhao Wang, Kuicai Dong, Yichao Wang, Xinyi Dai, Xiangyu Zhao, Huifeng Guo, Ruiming Tang
    • COLING’25, Proceedings of the 31st International Conference on Computational Linguistics, CCF B

Work Experience

Research Intern - Huawei, Noah’s Ark Lab

Teaching Experience

2025~2026 Semester A - SDSC5002 Exploratory Data Analysis and Visualization, TA
2024~2025 Semester B - GE2343_SDSC2004 Data Visualization, TA
2024~2025 Semester A - SDSC5002 Exploratory Data Analysis and Visualization, TA\

Conference Volunteer:
COLING’2025

News

[2025.11] Our paper AB Agent is accepted to KDD’26 Benchmark Track!

[2025.11] Our paper PBR is accepted to AAAI’26!

[2025.9] Our paper ReasonRAG is accepted to NeurIPS’25!

[2025.8] I’m honored to receive the Outstanding Academic Performance Award (OAPA) granted by CityU HK.

[2025.8] I’m honored to receive the Research Tuition Scholarship (RTS) granted by CityU HK.

[2024.12] Serve as the Volunteer in COLING’2025.

[2024.12] Our paper LLMTreeRec is accepted to COLING’2025.

[2024.8] I’m honored to receive the Research Tuition Scholarship (RTS) granted by CityU HK.

[2023.9] Start my Ph.D. at CityU HK.