Community Extraction of Complex Networks in the Textile-related Trade for Industries Pertaining to Dyeing and Finishing

摘要

This study focuses on business relationships in Japan for industries pertaining to dyeing and finishing. The authors analyzed the complex network of 3354 companies contained in the Annual Report on the textile-related trade, 1998 edition published by Sen-I Sha Company. Based on community extraction proposed by Newman in 2004, there are 46 communities in complex network and 2 large competitive communities containing a lot of dyeing and finishing companies are existed. As results of community extraction of the complex network that deletes one big company on the betweenness centrality, the structure of the community is changed.