Rényi Pufferfish Privacy with Gaussian-based Priors: From Single Gaussian to Mixture Model

Wenjin Yang, Ni Ding, Zijian Zhang +5

Rényi Pufferfish Privacy (RPP) provides a Rényi divergence-based privacy framework for correlated data, but existing $\infty$-Wasserstein mechanisms are often conservative and sacr…