Backstrom L,Huttenlocher D,Kleinberg J,et al.Group formationin large social networks:membership,growth,and evolution[C]//Proceedings of the 12th ACM SIGKDD.New York:ACM,2006:44-54.
[2]
Yoojung Kim,Dongyoung Sohn.Cultural difference in motiva-tions for using social network sites:A comparative study ofAmerican and Korean college students[J].Computers in HumanBehavior,2011,27(1):365-372.
Golder S A,Wilkinson D M,Huberman B A.Rhythms of socialinteraction:messaging within a massive online network[C]//Proceedings of the Third Communities and Technologies Con-ference.USA:Springer,2007:41-66.
[10]
Kaveri Subrahmanyam,Stephanie M Reich.Online and offlinesocial networks:use of social networking sites by emergingadults[J].Journal of Applied Developmental Psychology,2008,29(6):420-433.
[11]
Pei-Luen Patrick Rau,Qin Gao,Yinan Ding.Relationship be-tween the level of intimacy and lurking in online social net-work services[J].Computers in Human Behavior,2008,24(6):2757-2770.
[12]
Josep Domingo-Ferrer,Alexandre Viejo,Francesc Sebé,et al.Pri-vacy homomorphisms for social networks with private relation-ships[J].Computer Networks,2008,52(15):3007-3016.
[13]
Sebastian Schnettler.A structured overview of 50 years ofsmall-world research[J].Social Networks,2009,3(13):165-178.
[14]
Tiffany A Pempek,Yevdokiya A Yermolayeva.College students'social networking experiences on Facebook[J].Journal of Ap-plied Developmental Psychology,2009,30(3):227-238.
[15]
Richard D Waters,Emily Burnett.Engaging stakeholders throughsocial networking:how nonprofit organizations are using Face-book[J].Public Relations Review,2009,35(2):102-106.
