Hi there! I am a Ph.D. Candidate at the AI Engine Lab, Renmin University of China, supervised by Prof. Xu Chen.

My research interests primarily lie in Recommender Systems, LLM Agents, and AI for Social Science.

📧 Email: liyuanzi0313 [at] ruc.edu.cn, liyuanzi0313 [at] outlook.com

Please feel free to contact me if you have any questions or are interested in collaboration.

📖 Education

• Ph.D. in Artificial Intelligence (Expected)
  Renmin University of China, Beijing Sept. 2025 - June 2030

• B.S. in Computer Science Shandong University, Qingdao Sept. 2021 - June 2025

📝 Publications

🎓 Ph.D. Research @ Renmin University of China

1. Evaluating and Calibrating LLM Confidence on Questions with Multiple Correct Answers
   Yuhan Wang, Shiyu Ni, Zhikai Ding, Zihang Zhan, Yuanzi Li, Keping Bi arXiv Preprint, 2026 [PDF]

2. Towards Fast Domain Adaptation and Fine-Grained User Simulation for Conversational Recommender Systems
   Yuanzi Li, Quanyu Dai, Xueyang Feng, Jingyu Zhao, Weipeng Zhang, Xu Chen, Zhenhua Dong, Huifeng Guo
   NeurIPS 2026 (PersonaLM Workshop) [PDF]

3. Cultural Dynamics in Multi-Agent Systems: Joint Effects of Individual Openness and Information Flow on Culture Dissemination
   Lei Wang, Jinchao Wu, Yuanzi Li, Junhao Wang, Xu Chen
   The 1st International Conference on AI Scientists (ICAIS), 2025
   (🏆 The Most Social Impact Paper Award) [PDF]

🎓 Undergraduate Research @ Shandong University

1. R²NS: Recall and Re-ranking of Negative Samples for Sequential Recommendation
   Yuanzi Li, Xuri Ge, Jingyu Zhao, Yidan Wang, Jiyuan Yang, Zhumin Chen, Zhaochun Ren, Xin Xin
   The Web Conference (WWW), 2026 [PDF]

2. Uncovering Selective State Space Model’s Capabilities in Lifelong Sequential Recommendation
   Jiyuan Yang, Yuanzi Li, Jingyu Zhao, Hanbing Wang, Muyang Ma, Jun Ma, Zhaochun Ren, Mengqi Zhang, Xin Xin, Zhumin Chen, Pengjie Ren
   arXiv Preprint, 2024 [PDF]

💻 Internships

• Research Intern @ Huawei Noah’s Ark Lab
  Feb. 2025 - July 2025 Mentors: Quanyu Dai, Zhenhua Dong

• Research Assistant @ Information Retrieval Lab, Shandong University
  Oct. 2022 - June 2025 Supervisors: Prof. Pengjie Ren and Prof. Xin Xin

🎖 Honors and Awards

• Second Prize, AI Agent Competition

  2025

• Outstanding Academic Scholarship, Shandong University

  2022, 2023, 2024

💬 Academic Services

• Reviewer / Program Committee Member:
  • AAAI 2026
  • ACL Rolling Review (ARR)
  • SIGIR-AP

🧩 Repositories