The advancement of data communication technologies promotes widespread data collection
and transmission in various application domains, thereby expanding big data significantly …

Aiming to solve the problem of low data utilization and privacy protection, a personalized
differential privacy protection method based on cross-correlation constraints is proposed. By …

基于位置的服务(LBS) 方式为用户生活带来了便捷, 同时也存在着位置轨迹隐私泄露的风险.
如何对这些隐私数据加以保护, 成为目前的研究热点. 对现有隐私保护方法系统架构进行总结 …

摘要针对传统深度神经网络所采用的随机梯度下降算法忽略了对数据集隐私性保护的缺点,
提出一种基于数据差分隐私保护的随机梯度下降算法. 引入范数剪切与附加高斯噪声操作 …

Trajectory data contains abundant of spatiotemporal information, publishing unprotected
trajectories may disclose individual privacy. Recently, researchers have proposed …

To solve the problems of high global sensitivity, complex calculation of query on electricity
consumption data and that independent noise can be easily filtered, Period Sensitivity …

Location-based services provide service and convenience, while causing the leakage of
track privacy. The existing trajectory privacy protection methods lack the consideration of the …

Location-based service are widely used in the continuous query, making the protection of
users' location and trajectory privacy a hot topic. Differential privacy, the mainstream privacy …