Xiaowei Qian

Ph.D. Candidate, City University of Hong Kong

xiaowqian2-c@my.cityu.edu.hk

Biography

I am a Ph.D. candidate at the City University of Hong Kong, supervised by Prof. Xiangyu Zhao. Previously, I received my B.Eng. from the University of Electronic Science and Technology of China (UESTC) and was a visiting student at Westlake University, supervised by Prof. Tailin Wu.

My research interests include long-context and long-horizon LLM agents, information retrieval and deep research, and trustworthy AI, including safety, fairness, and robustness.

Selected Publications

* Equal contribution

Towards Pareto-Optimal Tool-Integrated Agents with Pareto Ranking Policy Optimization

Junyi Li, Xiaowei Qian, Yingyi Zhang, Wenlin Zhang, Guojing Li, Sheng Zhang, Xiao Han, Yichao Wang, Xiangyu Zhao
ICML 2026 (Spotlight, top 2%)Paper Code
BuildArena: A Physics-Aligned Interactive Benchmark of LLMs for Engineering Construction

Tian Xia, Tianrun Gao, Wenhao Deng, Long Wei, Xiaowei Qian, Chenglei Yu, Tailin Wu
ICML 2026Paper Code Project
From Uncertain to Safe: Conformal Adaptation of Diffusion Models for Safe PDE Control

Peiyan Hu*, Xiaowei Qian*, Wenhao Deng, Rui Wang, Haodong Feng, Ruiqi Feng, Tao Zhang, Long Wei, Yue Wang, Zhi-Ming Ma, Tailin Wu
ICML 2025Paper Code
Addressing Shortcomings in Fair Graph Learning Datasets: Towards a New Benchmark

Xiaowei Qian*, Zhimeng Guo*, Jialiang Li, Haitao Mao, Bingheng Li, Suhang Wang, Yao Ma
KDD 2024Paper Code
Upper Bounding Barlow Twins: A Novel Filter for Multi-Relational Clustering

Xiaowei Qian*, Bingheng Li*, Zhao Kang
AAAI 2024Paper Code

View all publications →

Education

2025.09 – present
City University of Hong Kong, Ph.D. in Data Science
2024.07 – 2025.07
Westlake University, Visiting Student
2020.09 – 2024.06
University of Electronic Science and Technology of China, B.Eng. in Computer Science

Service

Reviewer: KDD 2026, CVPR 2026, WWW 2026, AAAI 2027.