Dong Zheng

Security and Privacy in Smart Health: Efficient Policy-Hiding Attribute-Based Access Control

2018 · IEEE Internet of Things Journal

With the rapid development of the Internet of Things and cloud computing technologies, smart health (s-health) is expected to significantly improve the quality of health care. However, data security and user privacy concerns in s-health …

Traceable Dynamic Public Auditing with Identity Privacy Preserving for Cloud Storage

2019 · KSII Transactions on Internet and Information Systems

In cloud computing era, an increasing number of resource-constrained users outsource their data to cloud servers. Due to the untrustworthiness of cloud servers, it is important to ensure the integrity of outsourced data. However, most …

O³-R-CP-ABE: An Efficient and Revocable Attribute-Based Encryption Scheme in the Cloud-Assisted IoMT System

2021 · IEEE Internet of Things Journal

With the processes of collecting, analyzing, and transmitting the data in the Internet of Things (IoT), the Internet of Medical Things (IoMT) comprises the medical equipment and applications connected to the healthcare system and offers …

A Differential Privacy Budget Allocation Algorithm Based on Out-of-Bag Estimation in Random Forest

2022 · Mathematics

The issue of how to improve the usability of data publishing under differential privacy has become one of the top questions in the field of machine learning privacy protection, and the key to solving this …

Two-Stage Constrained Actor-Critic for Short Video Recommendation

2023

The wide popularity of short videos on social media poses new opportunities and challenges to optimize recommender systems on the video-sharing platforms. Users sequentially interact with the system and provide complex and multi-faceted responses, including …