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Author

Zechun Niu

Observed name: Niu, Zechun
Observed institution: Renmin University of China
ORCID: 0009-0009-7954-3713
Observed ORCID: 0009-0009-7954-3713
OpenAlex ID: A5102645619
UnityMAS-O: A General RL Optimization Framework for LLM-Based Multi-Agent Systems
2026 · Chen, Yiqun, Yang, Wei, et al. · arXiv (Cornell University) · 8
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OASES: Outcome-Aligned Search-Evaluation Co-Training for Agentic Search
2026 · Zhang, Erhan, Chen, Yiqun, et al. · arXiv (Cornell University) · 8
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Investigating the Robustness of Counterfactual Learning to Rank Models: A Reproducibility Study
2025 · Zechun Niu, Zhilin Zhang, et al. · International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR) · 3
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DuMateBench: Evaluating Autonomous Agents in Complex Real-World Workflows
2026 · Niu, Zechun, Zhao, Yukun, et al. · arXiv (Cornell University) · 2
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Addressing Personalized Bias for Unbiased Learning to Rank
2025 · Zechun Niu, Lang Mei, et al. · ACM International Conference on Information and Knowledge Management (CIKM) · 2
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Distributionally Robust Optimization for Unbiased Learning to Rank
2025 · Zechun Niu, Lang Mei, et al. · International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR) · 2
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Overview of the NTCIR-17 Unbiased Learning to Rank Evaluation 2 (ULTRE-2) Task
2023 · Zechun Niu, Jiaxin Mao, et al. · Institutional Repositories DataBase (IRDB) · 1
Smart Predict then Optimize for Constrained Learning to Rank
2026 · Zechun Niu, Jiayu Chen, et al. · ACM International Conference on Information and Knowledge Management (CIKM)
RUCIR21 at the NTCIR-16 ULTRE Task
2022 · Zechun Niu, Yurou Zhao, et al. · Institutional Repositories DataBase (IRDB)
Overview of the NTCIR-16 Unbiased Learning to Rank Evaluation (ULTRE) Task
2022 · Yurou Zhao, Zechun Niu, et al. · Institutional Repositories DataBase (IRDB)
Works count: 10
Citation count: 26
H-index: 3
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