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博客是Web2.0时代互联网上最具影响力的交流媒介之一。具有相同兴趣的博客主常常相互评论和发帖引用,从而形成了各种虚拟的网络社区。本文对中国最大的IT技术博客社区内的博客评论行为进行统计分析,结果发现博客社区内存在明显的小世界现象,其内部还存在大量主题群落,每一个群落都包含着一个受到很多评论的核心博客与一定数量的普通博客。在评论网络内,大多数的互动交流都发生在核心博客与普通博客之间,而且这种不对称交流的拓扑结构是星状的。普通博客之间缺乏交流,群落之间的交流也主要建立在核心博客之间的弱联系上,而不依赖于群落内的普通博客之间的联系。
Blog is one of the most influential communication media on the Internet in the Web2.0 era. Bloggers with the same interests often comment on each other and post citations, resulting in a variety of virtual online communities. In this paper, a statistical analysis of blog reviews in China’s largest IT blogging community shows that there are obvious small-world phenomena in the blog community. There are also a large number of thematic communities in the blog community, each of which contains a core subject to many comments Blog with a number of regular blogs. In the comments network, most of the interaction occurs between the core blog and ordinary blog, and the topology of this asymmetric communication is star-shaped. Lack of communication between ordinary blogs, communication between communities is also mainly based on the weak link between the core blog, and does not depend on the community within the links between ordinary blogs.