Qizhi Zhang

According to our database, Qizhi Zhang authored at least 5 papers between 2024 and 2026.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2026

Towards Privacy-Preserving LLM Inference via Covariant Obfuscation (Technical Report).

Yu Lin, Qizhi Zhang, Wenqiang Ruan, Daode Zhang, Jue Hong, Ye Wu, Hanning Xia, Yunlong Mao, Sheng Zhong

CoRR, March, 2026

2025

Toward Efficient and Secure Collaborative SQL Analyses of Billion-Scale Datasets.

Kang Liu, Qizhi Zhang, Yuan Zhang, Yu Lin, Quanwei Cai, Jue Hong, Ye Wu, Sheng Zhong

IEEE Trans. Inf. Forensics Secur., 2025

Suda: An Efficient and Secure Unbalanced Data Alignment Framework for Vertical Privacy-Preserving Machine Learning.

Lushan Song, Qizhi Zhang, Yu Lin, Haoyu Niu, Daode Zhang, Zheng Qu, Weili Han, Jue Hong, Quanwei Cai, Ye Wu

Proceedings of the 34th USENIX Security Symposium, 2025

ObfusLM: Privacy-preserving Language Model Service against Embedding Inversion Attacks.

Yu Lin, Ruining Yang, Yunlong Mao, Qizhi Zhang, Jue Hong, Quanwei Cai, Ye Wu, Huiqi Liu, Zhiyu Chen, Bing Duan, Sheng Zhong

Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2025

2024

An Inversion Attack Against Obfuscated Embedding Matrix in Language Model Inference.

Yu Lin, Qizhi Zhang, Quanwei Cai, Jue Hong, Wu Ye, Huiqi Liu, Bing Duan

Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing, 2024