Analysis for Topological Properties of the Network Feeding Usenet News

2007 International Symposium on Applications and the Internet Pub Date : 2007-01-15 DOI:10.1109/SAINT.2007.9

Yutaka Nakano, Motonori Nakamura, Y. Okabe

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引用次数: 3

Abstract

Recently, many studies have reported that various kinds of real networks, such as WWW, the Internet, metabolic system, BtoB transactions and so on, have the scale-free properties in common. We focus on the network feeding Usenet news where a node represents a news server and a link between two nodes represents a connection on which the two news servers exchange their articles. First we generate the whole topology map approximately from path information of a number of Usenet news articles. Then we examine topological properties of the network; degree distribution, degree correlation, average distance, clustering coefficient and community structures. We also compare these properties with those of theoretical network models. The analysis shows that there strongly exist a scale-free and a small-world properties in the Usenet network. We also examine the community structure of this network and show that a small number of Usenet news servers that are highly contributive for article feeds forms the largest community and other servers tend to be categorized by their geographical locations

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新闻组新闻馈送网络的拓扑特性分析

近年来，许多研究报道了各种真实网络，如WWW、Internet、代谢系统、BtoB交易等，都具有共同的无标度特性。我们关注的是提供Usenet新闻的网络，其中一个节点代表一个新闻服务器，两个节点之间的链接代表两个新闻服务器交换文章的连接。首先，我们从大量Usenet新闻文章的路径信息中近似生成整个拓扑映射。然后我们检查网络的拓扑性质;度分布、度相关、平均距离、聚类系数、群落结构。我们还将这些性质与理论网络模型的性质进行了比较。分析表明，Usenet网络强烈地存在着无标度性和小世界性。我们还研究了该网络的社区结构，并表明少数对文章提要贡献很大的Usenet新闻服务器形成了最大的社区，而其他服务器往往按其地理位置进行分类

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2007 International Symposium on Applications and the Internet

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