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对知识系统(eg.博客)而言,良好的组织结构是极为重要的,尤其是当内容增多,关联复杂后显得尤为重要。传统的“分类(Categories)+标签(Tags)”的二级模式虽足以应付大部分用户的需求,但本质上其还是需要用户对已有分类和标签有良好的组织,这对很多用户来说是根本做不到,因为我们往往缺的就是这种“纵览全局”的能力。

统计度分布的数据集

Name Type Nodes Edges Description
ego-Facebook Undirected 4,039 88,234 Social circles from Facebook (anonymized)
ego-Gplus Directed 107,614 13,673,453 Social circles from Google+
ego-Twitter Directed 81,306 1,768,149 Social circles from Twitter
soc-Epinions1 Directed 75,879 508,837 Who-trusts-whom network of Epinions.com
soc-LiveJournal1 Directed 4,847,571 68,993,773 LiveJournal online social network
soc-Pokec Directed 1,632,803 30,622,564 Pokec online social network
soc-Slashdot0811 Directed 77,360 905,468 Slashdot social network from November 2008
soc-Slashdot0922 Directed 82,168 948,464 Slashdot social network from February 2009
wiki-Vote Directed 7,115 103,689 Wikipedia who-votes-on-whom network



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