Abstract
As a special kind of application of wireless sensor networks, Body Sensor Networks (BSNs) have broad perspectives especially in clinical caring and medical monitoring. Big data acquired from BSNs usually contain sensitive information, which are compulsory to be appropriately protected. However, previous methods overlooked the privacy protection issue, leading to privacy violation. In this paper, a differential privacy protection scheme for big data in body sensor network is proposed. We introduce the concept of dynamic noise thresholds which makes our scheme more suitable for processing big data. It can ensure privacy during the whole life cycle of the data, which makes privacy protection for big data in BSNs promising. Extensive experiments are conducted to outline the merits of our scheme. Experimental results reveal that our scheme has higher level of privacy protection. Even in the case where the attacker has full background knowledge, it still provides sufficient ambiguity, which ensures being unable to match people based on the ECG data characteristic so as to preserve the privacy.
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Acknowledgements
This research is sponsored in part by the National Natural Science Foundation of China (No. 61173179, No. 61402078) and Program for New Century Excellent Talents in University (NCET-13-0083). 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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© 2016 Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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Lin, C., Song, Z., Liu, Q., Sun, W., Wu, G. (2016). Protecting Privacy for Big Data in Body Sensor Networks: A Differential Privacy Approach. In: Guo, S., Liao, X., Liu, F., Zhu, Y. (eds) Collaborative Computing: Networking, Applications, and Worksharing. CollaborateCom 2015. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 163. Springer, Cham. https://doi.org/10.1007/978-3-319-28910-6_15
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DOI: https://doi.org/10.1007/978-3-319-28910-6_15
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