摘要： 选取Twitter中文社区作为研究对象，提出一种社会网络分析方法。从微博客中用户之间的关注关系以及信息传播途径出发，采用社会网络分析方法，对微博客中的社会网络结构进行量化分析，研究其社会网络的密度、中心性、位置和角色。分析结果表明，该方法能避开信息碎片化、负面消息爆炸性传播等难题，可应用于有关国家安全问题的监控。

关键词: 社会网络分析, 微博客, 网络社区, 信息传播路径

Abstract: Twitter as a research subject, this paper proposes a Social Network Analysis(SNA) method. Respectively, considering concerns relations between users and information transmission perspective from the micro-blog, it uses SNA to quantitatively analyze social network structure, studies of its social network density, centrality, position and role. Analysis results show the method can avoid difficult problems of information fragmentation, negative news explosive spreading, and be applied to monitor public opinion on national security.

Key words: Social Network Analysis(SNA), micro-blog, network community, information propagation path

中图分类号: 

• TP393