News

• [Mar 2026] Graduated from Zhejiang University with a Master's degree; honored as both a Zhejiang Provincial and a Zhejiang University Outstanding Graduate.
• [Dec 2025] Awarded the National Scholarship.
• [Nov 2025] Two papers accepted by AAAI 2026 Oral. See you in Sinapore.
• [Aug 2025] Two papers accepted by EMNLP 2025.
• [May 2025] One paper accepted by ACL 2025.
• [Sep 2024] One paper accepted by EMNLP 2024.

Selected Papers

[† denotes equal contribution]
• CP-Router: An Uncertainty-Aware Router Between LLM and LRM [link]
  Jiayuan Su, Fulin Lin, Zhaopeng Feng, Han Zheng, Teng Wang, Zhenyu Xiao, Xinlong Zhao, Zuozhu Liu, Lu Cheng, Hongwei Wang. In AAAI 2026
  
• SheetBrain: A Neuro-Symbolic Agent for Accurate Reasoning over Complex and Large Spreadsheets [link]
  Ziwei Wang†, Jiayuan Su†, Mengyu Zhou, Huaxing Zeng, Mengni Jia, Xiao Lv, Haoyu Dong, Xiaojun Ma, Shi Han, Dongmei Zhang. In AAAI 2026
  
• MT-RewardTree: A Comprehensive Framework for Advancing LLM-Based Machine Translation via Reward Modeling [link]
  Zhaopeng Feng†, Jiahan Ren†, Jiayuan Su†, Jiamei Zheng, Zhihang Tang, Hongwei Wang, Zuozhu Liu. In EMNLP 2025
  
• M-MAD: Multidimensional Multi-Agent Debate for Advanced Machine Translation Evaluation [link]
  Jiayuan Su†, Zhaopeng Feng†, Jiamei Zheng, Jiahan Ren, Yan Zhang, Jian Wu, Hongwei Wang, Zuozhu Liu. In ACL 2025
  
• API Is Enough: Conformal Prediction for Large Language Models Without Logit-Access [link]
  Jiayuan Su, Jing Luo, Hongwei Wang, Lu Cheng. In EMNLP 2024
  

Experience

• [May 2025 - Sep 2025] Research Intern, Microsoft, supervised by Dr. Mengyu Zhou.
• [Feb 2025 – May 2025] Research Intern, ModelBest and THUNLP, supervised by Jie Cai and Dr. Xin Cong.
• [Oct 2023 - Apr 2024] Research Intern, UIC, supervised by Prof. Lu Cheng.

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