Privacy level evaluation of differential privacy for time series based on filtering theory

Wen-jun XIONG; Zheng-quan XU; Hao WANG

doi:10.11959/j.issn.1000-436x.2017110

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Privacy level evaluation of differential privacy for time series based on filtering theory

Academic communication | 更新时间：2024-06-05

- Privacy level evaluation of differential privacy for time series based on filtering theory
- Journal on Communications Vol. 38, Issue 5, Pages: 172-181(2017)
- 作者机构：
  
  1. 武汉大学测绘遥感信息工程国家重点实验室，湖北武汉 430079
  2. 武汉大学地球空间信息技术协同创新中心，湖北武汉 430079
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(41671443);The National Natural Science Foundation of China(41371402);The Applied Basic Research Program of Wuhan(2016010101010024)
- DOI：10.11959/j.issn.1000-436x.2017110
  CLC： TP309.2
- Online First：2017-05，
  
  Published：25 May 2017
- 稿件说明：
移动端阅览
Wen-jun XIONG, Zheng-quan XU, Hao WANG. Privacy level evaluation of differential privacy for time series based on filtering theory[J]. Journal on Communications, 2017, 38(5): 172-181.
DOI：

Wen-jun XIONG, Zheng-quan XU, Hao WANG. Privacy level evaluation of differential privacy for time series based on filtering theory[J]. Journal on Communications, 2017, 38(5): 172-181. DOI： 10.11959/j.issn.1000-436x.2017110.

摘要

针对目前相关性时间序列差分隐私保护方法没有统一的攻击模型，且不同方法的隐私保护强度无法进行横向比较和度量的问题，设计一种攻击模型。由于这些方法加入的噪声是独立同分布的，且相关性时间序列可以看作短时平稳过程，根据信号处理中滤波的原理，设计一个线性滤波器作为攻击模型以滤除部分噪声。实验结果表明，该攻击模型有效，并为各方法的隐私保护强度提供了统一的度量。

Abstract

The current differential privacy preserving methods on correlated time series were not designed by protecting against a specific attack model

and the privacy level of them couldn’t be measured.Therefore

an attack model was put forward to solve the above problems.Since the noise series added by these methods was independent and identically distributed

and the time series could be seen as a short-time stationary process

a linear filter was designed based on filtering theory

in order to filter out the noise series.Experimental results show that the proposed attack model is valid

and can work as a unified measurement for these methods.

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references

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