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- W4367365655 abstract "This study aims to alleviate the trade-off between utility and privacy in the task of differentially private clustering. Existing works focus on simple clustering methods, which show poor clustering performance for non-convex clusters. By utilizing Morse theory, we hierarchically connect the Gaussian sub-clusters to fit complex cluster distributions. Because differentially private sub-clusters are obtained through the existing methods, the proposed method causes little or no additional privacy loss. We provide a theoretical background that implies that the proposed method is inductive and can achieve any desired number of clusters. Experiments on various datasets show that our framework achieves better clustering performance at the same privacy level, compared to the existing methods." @default.
- W4367365655 created "2023-04-30" @default.
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- W4367365655 date "2023-04-26" @default.
- W4367365655 modified "2023-09-30" @default.
- W4367365655 title "Improving the Utility of Differentially Private Clustering through Dynamical Processing" @default.
- W4367365655 doi "https://doi.org/10.48550/arxiv.2304.13886" @default.
- W4367365655 hasPublicationYear "2023" @default.
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