Hi! I am Junjie Chen (陈俊杰).

I am now a first year master student at Tsinghua University. I am fortunate to be supervised by Qingyao Ai and Yiqun Liu.

Education

• 2024-present, Master student, Computer Science and Technology, Tsinghua University.
• 2020-2024, B.E., Computer Science and Technology, Beijing University of Aeronautics and Astronautics.
  • Graduate as the Top 1 student in my grade.
  • Beijing Outstanding Graduate.
  • Three times First-Class Scholarship(2021, 2022, 2023).

Honors and Awards

• 2024 Excellent Graduate of Beijing.
• 2023 Special Award of Xiaomi Scholarship.
• 2023 Highest Undergraduate Honor Shen Yuan medal.
• 2023 Mathematical Contest in Modeling: Meritorious Winner.
• 2022 China Undergraduate Mathematical Contest in Modeling: First Prize of Beijing.
• 2022 China National Scholarship.
• 2021 China National Scholarship.

Publications

• Enhancing LLM-Based Agents via Global Planning and Hierarchical Execution (NCIIP 2025, Best Paper)
  Junjie Chen, Haitao Li, Jingli Yang, Yiqun Liu, Qingyao Ai

• Overview of the NTCIR-18 Automatic Evaluation of LLMs (AEOLLM) Task (NTCIR-18)
  Junjie Chen, Haitao Li, Zhumin Chu, Yiqun Liu, Qingyao Ai

• LegalAgentBench: Evaluating LLM Agents in Legal Domain (ACL 2025, CCF-A)
  Haitao Li*, Junjie Chen*, Jingli Yang, Qingyao Ai, Wei Jia, Youfeng Liu, Kai Lin, Yueyue Wu, Guozhi Yuan, Yiran Hu, Wuyue Wang, Yiqun Liu, Minlie Huang (* Equal contribution)

• Calibraeval: Calibrating prediction distribution to mitigate selection bias in llms-as-judges (ACL 2025, CCF-A)
  Haitao Li, Junjie Chen, Qingyao Ai, Zhumin Chu, Yujia Zhou, Qian Dong, Yiqun Liu

• Llms-as-judges: a comprehensive survey on llm-based evaluation methods
  Haitao Li, Qian Dong, Junjie Chen, Huixue Su, Yujia Zhou, Qingyao Ai, Ziyi Ye, Yiqun Liu

• LexRAG: Benchmarking Retrieval-Augmented Generation in Multi-Turn Legal Consultation Conversation (SIGIR 2025, CCF-A)
  Haitao Li, Yifan Chen, Yiran Hu, Qingyao Ai, Junjie Chen, Xiaoyu Yang, Jianhui Yang, Yueyue Wu, Zeyang Liu, Yiqun Liu