Ms. Caiguo Li Profile

Caiguo Li

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Proceedings Article | 12 May 2023 Paper

Secure computing: logistic regression analysis with differential privacy

Yao Qiu, Shulan Wang, Caiguo Li, Guangdong Yang, Haiyan Wang, Fucai Luo, Yong Ding

Proceedings Volume 12641, 1264103 (2023) https://doi.org/10.1117/12.2678974

KEYWORDS: Data privacy, Sampling rates, Data modeling, Data analysis

Read Abstract +

Logistic regression has the threat of privacy disclosure during data analysis. Differential privacy can prevent this security threat. However, differential privacy mechanism needs to add noise to the protected algorithm, which will affect the quality of data analysis. To improve the quality of data analysis, we propose dpLogic algorithm based on differential privacy and functional mechanism. This algorithm constructs an auxiliary function, which can help us get the noisy model as close as possible to the original model. Besides, dpLogic optimizes privacy budget allocation, reducing the disturbance of noise on the model. Experimental results illustrate that this algorithm can effectively improve the accuracy of data analysis at a high level of privacy protection.

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