Youwen Zhu

DDRM: A Continual Frequency Estimation Mechanism with Local Differential Privacy

2022 · IEEE Transactions on Knowledge and Data Engineering

Many applications rely on continual data collection to provide real-time information services, e.g., real-time road traffic forecasts. However, the collection of original data brings risks to user privacy. Recently, local differential privacy (LDP) has emerged …

Differential Privacy Data Release Scheme Using Microaggregation With Conditional Feature Selection

2023 · IEEE Internet of Things Journal

Differential privacy (DP) has achieved great progress in addressing the user privacy preservation issues related to data analysis in the Internet of Things (IoT) services and applications. However, the existing DP models tend to overlook …