arXiv:2503.01766cs.DScs.CR2025-03被引 1
首次实现高维无界高斯采样的最优差分隐私算法
Optimal Differentially Private Sampling of Unbounded Gaussians
- 设计了基于差分隐私的高效采样方法
- 采样复杂度降至线性级别,较之前提升显著
- 适合需要高维隐私保护数据生成的研究者
本文首次提出了在(ε, δ)-差分隐私约束下,对无界高斯分布进行采样的˜O(d)样本算法。该结果相较于以往工作实现了二次级改进,解决了Ghazi、Hu、Kumar和Manurangsi提出的开放问题。
原文摘要 · Abstract (English)
We provide the first $\widetilde{\mathcal{O}}\left(d\right)$-sample algorithm for sampling from unbounded Gaussian distributions under the constraint of $\left(\varepsilon, δ\right)$-differential privacy. This is a quadratic improvement over previous results for the same problem, settling an open question of Ghazi, Hu, Kumar, and Manurangsi.
差分隐私高斯采样算法优化
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