劉恆竹​ 博士

助理教授 碩導

學校郵箱：hzliu@cityu.edu.mo

辦公電話：(853)85902426

辦公地址：澳門城市大學(氹仔)何鴻燊樓S401室

學歷

2025 現代技術管理博士, 中南財經政法大學, 中國湖北

2021 管理科學與工程碩士, 中南財經政法大學, 中國湖北

2018 信息管理與信息係統學士, 河南師範大學, 中國河南

現任

澳門城市大學數據科學學院助理教授

研究方向

機器遺忘 (Machine Unlearning)

人工智能安全

隱私保護

研究及出版

1. Hengzhu Liu, Ping Xiong, Tianqing Zhu, Philip S. Yu. A Survey on Machine Unlearning: Techniques and New Emerged Privacy Risks. Journal of Information Security and Applications. 90, 104010, 2025. (JCR-Q2, IF=4.2)

2. Hengzhu Liu, Ping Xiong, Dawei Jin, Lingzhi Yi. Change Point Detection and Trend Analysis for Financial Time Series. The 9th International Conference on Big Data Computing and Communications (BigCom). IEEE, Qionghai, China. 2023: 134-141.

3. Meng Chen, Hengzhu Liu, Huanhuan Chi, Ping Xiong. Heterogeneous ensemble federated learning with GAN-based privacy preservation. IEEE Transactions on Sustainable Computing, 9(4), 591-601, 2024. (JCR-Q2, IF=3.3)

4. Chen Chen, Hengzhu Liu, Huanhuan Chi, Ping Xiong. Enhancing Privacy in Machine Unlearning: Posterior Perturbation against Membership Inference Attack. The 24rd International Conference on Algorithms and Architectures for Parallel Processing (ICA3PP). Macau, China, 2024.

5. Huanhuan Chi, Ping Xiong, Hengzhu Liu, Xiao Ma, Tianqing Zhu. Survey on incentive-driven federated learning: Privacy and security. Chinese Journal of Network and Information Security. 11(03), 19-44, 2025.

6. Ping Xiong, Guirong Li, Hengzhu Liu, Yiyi Hu, Dawei Jin. Decentralized privacy-preserving truth discovery for crowd sensing. Information Sciences. 632, 730-741, 2023. (JCR-Q1, IF=6.8)