TY - JOUR
T1 - Tangent Differential Privacy
AU - Ying , Lexing
JO - Journal of Machine Learning
VL - 3
SP - 157
EP - 165
PY - 2025
DA - 2025/09
SN - 4
DO - http://doi.org/10.4208/jml.240928
UR - https://global-sci.org/intro/article_detail/jml/24378.html
KW - Differential privacy, Entropic regularization.
AB - <p style="text-align: justify;">Differential privacy is a framework for protecting the identity of individual data points in the
decision-making process. In this note, we propose a new form of differential privacy, known as tangent differential privacy. Compared to the usual differential privacy, which is defined uniformly across data distributions, tangent differential privacy is tailored to a specific data distribution of interest. It also allows for general
distribution distances such as total variation distance and Wasserstein distance. In the context of risk minimization, we demonstrate that entropic regularization ensures tangent differential privacy under relatively
general conditions on the risk function.</p>