新冠肺炎患者隐私保护时空轨迹公布

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2021-04-11 DOI:10.1080/17489725.2021.1906965
N. L. Rajesh, Sajimon Abraham, Shyni S. Das
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引用次数: 0

摘要

摘要为了控制新冠肺炎在卫生部门的社区传播,公民使用接触者追踪移动应用程序至关重要。通过LBS收集的新冠肺炎阳性病例的时空痕迹用于前瞻性探针的公布有助于侵犯个人隐私。因此,在开始发布轨迹数据之前,数据收集器必须匿名化轨迹中的基本属性。我们提出了一种方法,通过匿名化非常敏感的住宿地点,如家、工作地点等,为个人提供足够的个人保护,同时发布他们的轨迹数据。在未来的研究中,匿名化轨迹中更多的地点会扰乱新冠肺炎轨迹的数据实用性。这项工作在具有类似兴趣地点的最敏感停留地点上创建了Haversine距离测量的最小边界矩形(MBR)停留区,以提供匿名性,并防止对手获得有关敏感停留地点的确切信息。由于新冠肺炎患者GPS轨迹的已发布版本不可用,我们通过更改可用的时空数据集创建了样本伪数据集。结果表明,该方法的数据利用率略高,信息损失较低,但与其他类似方法相当。
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Privacy preserved spatio-temporal trajectory publication of Covid-19 patients
ABSTRACT To control the community spread of Covid-19 by health authorities, citizens’ use of contact tracing mobile applications is vital. Publication of these traces for prospective probes, the collected spatio-temporal traces of Covid-19 positive cases through LBS contributes to personal privacy violation. So, the data collector must anonymise the essential attributes in the trajectories before initiating the release of trajectory data. We propose an approach that provides sufficient personal protection to the individuals while publishing their trajectory data by anonymising very sensitive stay locations like home, work-locations, etc. Anonymisation of more locations in trajectories upsets the data utility of Covid-19 traces in future studies. This work creates Haversine distance measured Minimum Bounding Rectangular (MBR) stay zones, over the most sensitive stay locations with similar Places of Interest to provide anonymity and prevents the adversary from getting known the exact information about the sensitive stay locations. Since the published versions of GPS traces of Covid-19 patients were unavailable, we created sample dummy datasets by altering the available spatio-temporal datasets. The result proves that the data utility is a little high, and the information loss is low, but comparable to the other similar methods.
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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