RUCIR21 at the NTCIR-16 ULTRE Task. - Zechun Niu; Yurou Zhao; Feng Wang; Jiaxin Mao (NTCIR, 2022)

Overview of the NTCIR-16 Unbiased Learning to Rank Evaluation (ULTRE) Task. - Yurou Zhao; Zechun Niu; Feng Wang; Jiaxin Mao; Qingyao Ai; Tao Yang 030; Junqi Zhang; Yiqun Liu 001 (NTCIR, 2022)

Overview of the NTCIR-17 Unbiased Learning to Rank Evaluation 2 (ULTRE-2) Task. - Zechun Niu; Jiaxin Mao; Qingyao Ai; Lixin Zou; Shuaiqiang Wang; Dawei Yin (NTCIR, 2023)

Investigating the Robustness of Counterfactual Learning to Rank Models: A Reproducibility Study. - Zechun Niu; Jiaxin Mao; Qingyao Ai; Ji-Rong Wen (CoRR, 2024)

Distributionally Robust Optimization for Unbiased Learning to Rank. - Zechun Niu; Lang Mei; Chong Chen 001; Jiaxin Mao (SIGIR, 2025)

Investigating the Robustness of Counterfactual Learning to Rank Models: A Reproducibility Study. - Zechun Niu; Zhilin Zhang; Jiaxin Mao; Qingyao Ai; Ji-Rong Wen (SIGIR, 2025)