Protecting private geosocial networks against practical hybrid attacks with heterogeneous information
Protecting private geosocial networks against practical hybrid attacks with heterogeneous information
复制标题
保护私有地理社交网络免受异构信息的实际混合攻击
DOI:
10.1016/j.neucom.2015.08.132
复制
发表时间:
2016-10
期刊:
影响因子:
6
通讯作者:
Yidong Li
中科院分区:
文献类型:
--
作者:
Yuechuan Li;Yidong Li
Abstract GeoSocial Networks (GSNs) are becoming increasingly popular due to its power in providing high-performance and flexible service capabilities. More and more Internet users have accepted this innovative service model. However, even GSNs have great business value for data analysis by integrated with location information, it may seriously compromise users' privacy in publishing the GSN data. In this paper, we study the identity disclosure problem in publishing GSN data. We first discuss the attack problem by considering both the location-based and structure-based properties, as background knowledge, and then formalize two general models, named (k, m)-anonymity and (k, m, l)-anonymity. Then we propose a complete solution to achieve (k, m)-anonymization and (k, m, l)-anonymization to prevent the released data from the above attacks above. We also take data utility into consideration by defining specific information loss metrics. It is validated by real-world data that the proposed methods can prevent GSN dataset from the attacks while retaining good utility.
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