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Enhancing Scalability of Metric Differential Privacy via Secret Dataset Partitioning and Benders Decomposition
May 8, 2024, 4:11 a.m. | Chenxi Qiu
cs.CR updates on arXiv.org arxiv.org
Abstract: Metric Differential Privacy (mDP) extends the concept of Differential Privacy (DP) to serve as a new paradigm of data perturbation. It is designed to protect secret data represented in general metric space, such as text data encoded as word embeddings or geo-location data on the road network or grid maps. To derive an optimal data perturbation mechanism under mDP, a widely used method is linear programming (LP), which, however, might suffer from a polynomial explosion …
arxiv concept cs.ai cs.cr data dataset differential privacy general geo-location location metric paradigm privacy protect scalability secret space text word
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