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差异私有直方图发布

  • 资源大小:2.69 MB
  • 上传时间:2021-06-30
  • 下载次数:0次
  • 浏览次数:1次
  • 资源积分:1积分
  • 标      签: Academic

资 源 简 介

Differential privacy has emerged as one of the most promising privacy models for private data release. It can be used to release different types of data, and, in particular, histograms, which provide useful summaries of a dataset. Several differentially private histogram releasing schemes have been proposed recently. However, most of them directly add noise to the histogram counts, resulting in undesirable accuracy. In this paper, we propose two sanitization techniques that exploit the inherent redundancy of real-life datasets in order to boost the accuracy of histograms. They lossily compress the data and sanitize the compressed data. Our first scheme is an optimization of the Fourier Perturbation Algorithm (FPA) presented in cite{RN10}. It improves the accuracy of the initial FPA by a factor of 10. The other scheme relies on clustering and exploit the redundancy between bins. Our extensive experimental evaluation over various real-life and synthetic datasets demonstrates

文 件 列 表

release
Main_attr.py
Main_unattr.py
README
Simulation.py
datasets
lib
output
priv_histogram
setup.py
setup.sh
statistics.py

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