no code implementations • 27 May 2024 • Puning Zhao, Li Shen, Rongfei Fan, Qingming Li, Huiwen Wu, Jiafei Wu, Zhe Liu
Under the central model, user-level DP is strictly stronger than the item-level one.
no code implementations • 24 May 2024 • Puning Zhao, Rongfei Fan, Huiwen Wu, Qingming Li, Jiafei Wu, Zhe Liu
Label differential privacy (DP) is a framework that protects the privacy of labels in training datasets, while the feature vectors are public.
no code implementations • 22 May 2024 • Puning Zhao, Lifeng Lai, Li Shen, Qingming Li, Jiafei Wu, Zhe Liu
We provide a theoretical analysis of our approach, which gives the noise strength needed for privacy protection, as well as the bound of mean squared error.
no code implementations • 22 May 2024 • Qingming Li, Juzheng Miao, Puning Zhao, Li Zhou, Shouling Ji, BoWen Zhou, Furui Liu
In this study, we propose a novel client selection strategy designed to emulate the performance achieved with full client participation.
no code implementations • 9 May 2024 • Zhe Ma, Xuhong Zhang, Qingming Li, Tianyu Du, Wenzhi Chen, Zonghui Wang, Shouling Ji
Based on the correlation, we propose to utilize inversion techniques to verify the safety of target images against memorization and measure the extent to which they are memorized.
no code implementations • 10 Mar 2023 • Qingming Li, H. Vicky Zhao
Choice problems refer to selecting the best choices from several items, and learning users' preferences in choice problems is of great significance in understanding the decision making mechanisms and providing personalized services.
no code implementations • 9 Mar 2023 • Qingming Li, H. Vicky Zhao
In this work, we specifically focus on two commonly observed biases: projection bias and the reference-point effect.
no code implementations • 16 Feb 2021 • Kangpei Meng, Qingming Li
This paper develops an averaging technique based on the combination of the eigenfunction expansion method and the collaboration method to investigate the multiple scattering effect of the SH wave propagation in a porous medium.
Numerical Analysis Materials Science Statistical Mechanics Numerical Analysis 14J60 (Primary) 14F05, 14J26 (Secondary) F.2.2; I.2.7