8TANG Feiyi, MAO Chengjie, YU Jianghui. The implementation of information service based on social network systems [ C ]//Proceedings of the 5th International Conference on New trends in Information and Service Science. Macao, China, 201.1 : 46 -49.
9CATANESE S A, MEO P D, FERRARA E, et al. Crawling facebook for social network analysis purposes [ J ]. Computing Research Repository, 2011, Doi: 10. 1145/ 1988688. 1988749.
