Hello! My name is Yilong Liu (刘一龙). I am a PhD student at Institute of Information Engineering, Chinese Academy of Sciences (IIE, CAS), supervised by Prof. Yanan Cao and Xixun Lin.

My research interests focus on the Interpretability and Safety of Large Language Models / Agents.

📝 Publications

ACL 2026 (main conference)
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Do LLMs Know Tool Irrelevance? Demystifying Structural Alignment Bias in Tool Invocations

Yilong Liu, Xixun Lin, Pengfei Cao, Ge Zhang, Fang Fang, Yanan Cao

arXiv
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Llm-based agents suffer from hallucinations: A survey of taxonomy, methods, and directions

Xixun Lin, Yucheng Ning, Jingwen Zhang, Yan Dong, Yilong Liu, Yongxuan Wu, Xiaohua Qi, Nan Sun, Yanmin Shang, Kun Wang, Pengfei Cao, Qingyue Wang, Lixin Zou, Xu Chen, Chuan Zhou, Jia Wu, Peng Zhang, Qingsong Wen, Shirui Pan, Bin Wang, Yanan Cao, Kai Chen, Songlin Hu, Li Guo

arXiv
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SafeHarness: Lifecycle-Integrated Security Architecture for LLM-based Agent Deployment

Xixun Lin, Yang Liu, Yancheng Chen, Yongxuan Wu, Yucheng Ning, Yilong Liu, Nan Sun, Shun Zhang, Bin Chong, Chuan Zhou, Yanan Cao, Li Guo

🎖 Honors and Awards

  • Merit Student of the UCAS (中国科学院大学三好学生)
  • The 46th International Collegiate Programming Contest (ACM-ICPC), Jinan Regional, Silver Medal
  • The 45th International Collegiate Programming Contest (ACM-ICPC), Shenyang Regional, Silver Medal

📖 Educations

  • 2023.09 - now, Ph.D Student at IIE, CAS, University of Chinese Academy of Sciences, Beijing, China.
  • 2019.09 - 2023.06, B.Eng. in Computer Science and Technology, Zhejiang Sci-Tech University, Hangzhou, China.

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