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Towards Privacy-Preserving Data Mining in Online Social Networks: Distance-Grained and Item-Grained Differential Privacy

  • Shen Yan
  • Shiran Pan
  • Yuhang Zhao
  • Wen-Tao ZhuEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9722)

Abstract

Online social networks have become increasingly popular, where users are more and more lured to reveal their private information. This brings about convenient personalized services but also incurs privacy concerns. To balance utility and privacy, many privacy-preserving mechanisms such as differential privacy have been proposed. However, most existent solutions set a single privacy protection level across the network, which does not well meet users’ personalized requirements. In this paper, we propose a fine-grained differential privacy mechanism for data mining in online social networks. Compared with traditional methods, our scheme provides query responses with respect to different privacy protection levels depending on where the query is from (i.e., is distance-grained), and also supports different protection levels for different data items (i.e., is item-grained). In addition, we take into consideration the collusion attack on differential privacy, and give a countermeasure in privacy-preserving data mining. We evaluate our scheme analytically, and conduct experiments on synthetic and real-world data to demonstrate its utility and privacy protection.

Keywords

Differential privacy Online social networks Privacy-preserving data mining Collusion attack 

Notes

Acknowledgment

The authors would like to thank the anonymous reviewers for their valuable comments. This work was supported by the National Natural Science Foundation of China under Grant 61272479, the National 973 Program of China under Grant 2013CB338001, and the Strategic Priority Research Program of Chinese Academy of Sciences under Grant XDA06010702.

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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  • Shen Yan
    • 1
    • 2
    • 3
  • Shiran Pan
    • 1
    • 2
    • 3
  • Yuhang Zhao
    • 1
    • 2
  • Wen-Tao Zhu
    • 1
    • 2
    Email author
  1. 1.State Key Laboratory of Information Security, Institute of Information EngineeringChinese Academy of SciencesBeijingChina
  2. 2.Data Assurance and Communication Security Research CenterChinese Academy of SciencesBeijingChina
  3. 3.University of Chinese Academy of SciencesBeijingChina

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