Web: http://arxiv.org/abs/2201.10838

Jan. 27, 2022, 2:10 a.m. | John Chiang

cs.LG updates on arXiv.org arxiv.org

Logistic regression training on an encrypted dataset has been an attractive
idea to security concerns for years. In this paper, we propose a faster
gradient variant called Quadratic Gradient for logistic regression and
implement it via a special homomorphic encryption scheme. The core of this
gradient variant can be seen as an extension of the simplified fixed Hessian
from Newton's method, which extracts information from the Hessian matrix into
the naive gradient, and thus can be used to enhance Nesterov's …

arxiv gradient logistic regression privacy regression training

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