Article Abstract

	Title:	Analysing covert social network foundation behind terrorism disaster
	Author:	Yoshiharu Maeno, Yukio Ohsawa
	Address:	Social Design Group, Sengoku 1-6-38F, Bunkyo-ku, Tokyo 112-0011, Japan. ' School of Engineering, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8563, Japan
	Journal:	International Journal of Services Sciences 2009 - Vol. 2, No.2  pp. 125 - 141
	Abstract:	This paper addresses a method to analyse the covert social network foundation hidden behind the terrorism disaster. It is to solve a node discovery problem, which means to discover a node, which functions relevantly in a social network, but escaped from monitoring on the presence and mutual relationship of nodes. The method aims at integrating the expert investigator's prior understanding, insight on the terrorists' social network nature derived from the complex graph theory and computational data processing. The social network responsible for the 9/11 attack in 2001 is used to execute simulation experiment to evaluate the performance of the method.
	Keywords:	communication; complex networks; graph theory; node discovery; social networking; terrorism; terrorist social networks; simulation; performance evaluation; covert social networks.
	DOI:	10.1504/IJSSCI.2009.024936
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