Abstract
In Body Area Networks (BANs), big data collected by wearable sensors usually contain sensitive information, which is compulsory to be appropriately protected. Previous methods neglected privacy protection issue, leading to privacy exposure. In this paper, a differential privacy protection scheme for big data in body sensor network is developed. Compared with previous methods, this scheme will provide privacy protection with higher availability and reliability. We introduce the concept of dynamic noise thresholds, which makes our scheme more suitable to process big data. Experimental results demonstrate that, even when the attacker has full background knowledge, the proposed scheme can still provide enough interference to big sensitive data so as to preserve the privacy.
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Acknowledgments
This research is sponsored in part by the National Natural Science Foundation of China (No.61402078 and No. 61572231). This research is also sponsored in part supported by the Fundamental Research Funds for the Central Universities (No.DUT14RC(3)090).
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This article is part of the Topical Collection on Systems-Level Quality Improvement
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Lin, C., Song, Z., Song, H. et al. Differential Privacy Preserving in Big Data Analytics for Connected Health. J Med Syst 40, 97 (2016). https://doi.org/10.1007/s10916-016-0446-0
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DOI: https://doi.org/10.1007/s10916-016-0446-0