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physics.soc-ph2007★ 40 cited
A Gap in the Community-Size Distribution of a Large-Scale Social Networking Site
Kikuo Yuta, Naoaki Ono, Yoshi Fujiwara
Social networking sites (SNS) have recently used by millions of people all over the world. An SNS is a society on the Internet, where people communicate and foster friendship with…
physics.soc-ph2005
Change of ownership networks in Japan
Wataru Souma, Yoshi Fujiwara, Hideaki Aoyama
As complex networks in economics, we consider Japanese shareholding networks as they existed in 1985, 1990, 1995, 2000, 2002, and 2003. In this study, we use as data lists of share…