Pengpeng Zhou

2026

doi dblp
Push and Pull: Defending against Retrieval Poisoning Attacks via Embedding Space Reshaping.
Longzhu He|Xiyu Zhang|Quan Liu|Chaozhuo Li|Zheng Liu|Pengpeng Zhou|Sen Su
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 4

2025

doi dblp
Mitigating privacy risks in Retrieval-Augmented Generation via locally private entity perturbation.
Longzhu He|Peng Tang|Yuanhe Zhang|Pengpeng Zhou|Sen Su
Information Processing and Management 2025 Volume 62 Issue 5