Yicheng Cai is a first-year Ph.D. student in College of Information Sciences and Technology @ Penn State University, advised by Prof. Peng Liu and part of the Cyber Security Lab. Previously, he graduated from Sichuan University in 2024 with a Masterโs Degree of Cybersecurity, advised by Prof. Haizhou Wang.
His current research interests include agentic system and AI agent security. Previously, he researched on societal computing and misinformation.
๐ฅ News
- 2024.08: ย ๐๐ I joined Penn State University as a Ph.D. student.
- 2024.08: ย ๐๐ Our paper โDetecting Spam Movie Review under Coordinated Attack with Multi-View Explicit and Implicit Relations Semantics Fusionโ was accepted by TIFS 2024!
๐ Publications
TIFS'24

- Yicheng Cai, Haizhou Wang, Hao Cao, Wenxian Wang, Lei Zhang, and Xingshu Chen.
- IEEE Transactions on Information Forensics and Security (TIFS 2024)
- The paper is about enhancing spam movie review detection by exploiting both explicit and implicit relations between reviews in coordinated spamming attacks.
- Code & Dataset
ESWA'23

- Yicheng Cai, Haizhou Wang, Huali Ye, Yanwen Jin, Wei Gao
- Expert Systems with Applications (ESWA 2023)
- The paper is about using multivariate time series feature to characterize dynamic variations of user depressive symptoms, thereby enhancing the accuracy and interpretability in depression detection.
- Code | Dataset
๐ Educations
- Aug. 2024 - Today, Ph.D. student at College of Information Sciences and Technology, Penn State University, Pennsylvania, United States.
- Sep. 2021 - Jun. 2024, Graduate student at School of Cyber Science and Engineering, Sichuan University, Sichuan, China.
- Sep. 2017 - Jun. 2021, Undergraduate student at School of Cyber Science and Engineering, Sichuan University, Sichuan, China.
๐ก๏ธ Services
- Journal Reviewer: IEEE TCSS 24โ;