Kai Chen

Full Professor, Institute of Information Engineering

Joined

November 2022

Names

Kai Chen (Preferred)

Emails

****@iie.ac.cn (Confirmed)

Personal Links

Career & Education History

Full Professor

Institute of Information Engineering (ucas.ac.cn)

2015 – 2030

Advisors, Relations & Conflicts

Postdoc Advisor

2014 – 2015

Postdoc Advisor

2012 – 2014

Expertise

AI Security

2017 – 2023

Publications

Refusal Degrades with Token-Form Drift: Limits of Token-Level Alignment
Yu Peng, Kai Chen
- Submitted to ICLR 2026
- Readers: Everyone
LoRAGuard: An Effective Black-box Watermarking Approach for LoRAs
Peizhuo Lv, Yiran Xiahou, Congyi Li, mengjie sun, Ruigang Liang, Shengzhi Zhang, Kai Chen, Yingjun Zhang
- ICLR 2026 Conference Withdrawn Submission
- Readers: Everyone
Playing Language Game with LLMs Leads to Jailbreaking
Yu Peng, Zewen Long, Fangming Dong, Congyi Li, Shu Wu, Kai Chen
- ICLR 2025 Conference Withdrawn Submission
- Readers: Everyone
SSL-WM: A Black-Box Watermarking Approach for Encoders Pre-trained by Self-supervised Learning
Peizhuo Lv, Xiang Fan, Li Pan, Zhu Shenchen, Shengzhi Zhang, Kai Chen, Ruigang Liang, Chang Yue, Cai Yuling, Hualong Ma, Zhang Yingjun, Guozhu Meng
- 14 May 2023
- OpenReview Archive Direct Upload
- Readers: Everyone
HufuNet: Embedding the Left Piece as Watermark and Keeping the Right Piece for Ownership Verification in Deep Neural Networks.
Peizhuo Lv, Li Pan, Shengzhi Zhang, Kai Chen, Ruigang Liang, Yue Zhao, Li Yingjiu
- 12 May 2023
- OpenReview Archive Direct Upload
- Readers: Everyone
Skillexplorer: Understanding the behavior of skills in large scale
Guo ZhiXiu, Zijin Lin, Li Pan, Kai Chen
- 12 May 2023
- OpenReview Archive Direct Upload
- Readers: Everyone

Co-Authors