FBPB-SE: A Forward and Backward Private Blockchain-based Searchable Encryption with Fuzzy Multi-keyword. - Chengjin Yang; Dongdong Xie 004; Linxi Cai; Pinghui Wang (DASC/PiCom/CBDCom/CyberSciTech, 2022)

An Effective and Differentially Private Protocol for Secure Distributed Cardinality Estimation. - Pinghui Wang; Chengjin Yang; Dongdong Xie 004; Junzhou Zhao; Hui Li 005; Jing Tao; Xiaohong Guan (Proc. ACM Manag. Data, 2023)

Half-Xor: A Fully-Dynamic Sketch for Estimating the Number of Distinct Values in Big Tables. - Pinghui Wang; Dongdong Xie 004; Junzhou Zhao; Jinsong Li 004; Zhicheng Li; Rundong Li 002; Yang Ren; Jia Di (IEEE Trans. Knowl. Data Eng., 2024)

Efficient and Accurate Differentially Private Cardinality Continual Releases. - Dongdong Xie 004; Pinghui Wang; Quanqing Xu; Chuanhui Yang; Rundong Li 002 (Proc. ACM Manag. Data, 2025)