新浪微博社会网络的自组织行为研究

Studies on Self-organization Behavior of Sina Micro-blog Social Network

互联网社会网络主要用于信息传播与共享,这种行为的自组织性主要体现在信息传播。根据自组织理论,新浪微博社会网络是一个自组织系统,从整体网络、个体网络、小团体、小世界效应构建模型,并以"可持续发展"话题为例,采用"滚雪球抽样方法",考虑网络用户间的"发布、转发、评论、@、回复"关系,进行实证研究。结果表明:社会网络存在自组织行为;整体自组织现象弱,局部明显;由于网络用户角色不同,围绕网络用户形成的自组织网络凝聚强度不同。

Internet social network is mainly used for information dissemination and sharing,the self organization characteristic is showed in the information dissemination.Firstly,based on self organization theory,the Sina micro-blog social network is a self organization system.Secondly,the paper constructs the model from overall network,individual network,small group,small world effect four aspects,and carries out empirical study.Thirdly,taking ＂sustainable development＂ topic as an example,the case studies all relationships of ＂releasing,forwarding,commenting,@,replying＂ micro-blog among network users by the snowball sampling method.Finally,the study finds that self organization behavior exists in social network;the whole self organization phenomena are weak,while local self organization phenomenon is obvious;and because of network users＇ different roles,the self organization cohesion level appearing around the network users is different.