4Song X, Chi Y, Hino K, et al. Identifying c^inion leaders in the bl-ogosphere [C] //Proceedings of the sixteenth ACM conference on Con-ference on infoimation and knowledge management. ACM, 2007: 971-974.
5Agarwal N, Liu H, Tang L, et al. Identifying the influential blowersin a community [C] //Proceedings of the 2008 International Confer-ence on Web Search and Data Mining. ACM, 2008 : 207 - 218.
6Rhee J W, Kim E,Kim H. Exploring online opinion leadership: Avalidity test of the concept in the digital age [C] //Annual meeting ofthe International Communication Association, TBA, San Francisco,CA. 2007.
7Kwak H, Lee C, Park H’ Moon S. Wlrat is Twitter, a social net-woric or a news media. [ C] // ftoceedings of the 19th InternationalConference on World Wide Web, 2010 : 591-600.
8Cha M,Haddadi H,Benevenuto F, et al. Measuring User Influencein Twitter: The Million Follower Fallacy [J]. ICWSM, 2010,(10): 10-17.
