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Differentially Private Federated Learning: Servers Trustworthiness, Estimation, and Statistical Inference
April 26, 2024, 4:11 a.m. | Zhe Zhang, Ryumei Nakada, Linjun Zhang
cs.CR updates on arXiv.org arxiv.org
Abstract: Differentially private federated learning is crucial for maintaining privacy in distributed environments. This paper investigates the challenges of high-dimensional estimation and inference under the constraints of differential privacy. First, we study scenarios involving an untrusted central server, demonstrating the inherent difficulties of accurate estimation in high-dimensional problems. Our findings indicate that the tight minimax rates depends on the high-dimensionality of the data even with sparsity assumptions. Second, we consider a scenario with a trusted central …
arxiv challenges constraints cs.cr cs.lg differential privacy distributed environments federated federated learning high math.st privacy private server servers stat.me stat.ml stat.th study trustworthiness under untrusted
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