Privacy Protection in Online Social Network in the Context of Big Data

With the rapid development of Web 2.0 technology, online social network data has shown the classical big data characteristics. The analysis of social network big data is getting deeper and deeper. At the same time, the risk of privacy disclosure in social network is also very obvious. A series of privacy preserving models and algorithms for social network data are proposed. In this paper, we summarized the privacy leakage type of social network, deeply analyzed the existing privacy preserving technology, pointed out its advantages and disadvantages, and prospected the future research directions.