Li An
Li An

PhD Student

UC Santa Barbara

About Me

Hi! My name is Li An (安丽). I am a second-year PhD student in computer science at the University of California, Santa Barbara, advised by Prof. Shiyu Chang.

Interests
  • Natural language processing
  • LLM robustness, security
  • LLM watermarking
Education

  • PhD Computer Science

    University of California, Santa Barbara

  • MSci Applied Data Science

    University of Southern California

  • BSc Management of Information System

    Shanghai University of Finance and Economics

Publications
Li An, Yujian Liu, Yepeng Liu, Yuheng Bu, Yang Zhang, Shiyu Chang (2025). A Reinforcement Learning Framework for Robust and Secure LLM Watermarking. Preprint.
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Li An, Yujian Liu, Yepeng Liu, Yang Zhang, Yuheng Bu, Shiyu Chang (2025). Defending LLM watermarking against spoofing attacks with contrastive representation learning. COLM 2025.
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Linghao Jin, Li An, Xuezhe Ma (2024). Towards Chapter-to-Chapter Context-Aware Literary Translation via Large Language Models. Preprint.
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Li An, Linghao Jin, Xuezhe Ma (2023). MAX-ISI System at WMT23 Discourse-Level Literary Translation Task. Proceedings of the Eighth Conference on Machine Translation.
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