Analyzing Companies and Industries’ Indicator by Using Text-Mining –The Case of 2010 and 2012’s Environmental Reports–
Yoshiki NAKAMURA∗1, Naoki TAKABAYASHI∗2, Masaaki OHBA∗3, Hisashi YAMAMOTO∗4, and Yukio MARUYAMA∗5
∗1 Aoyama Gakuin University, 4-4-25 Sibuya, Shibuya-ku, Tokyo
∗2 Shobara City Office, 1-10-1 Nakahonmachi, Shobara, Hiroshima
∗3 Nihon University, 1-3-2 Misaki-cho, Chiyoda-ku, Tokyo
∗4 Tokyo Metropolitan University, 6-6 Asahigaoka, Hino, Tokyo
∗5 Nippon Institute of Technology, 4-1 Gakuendai, Miyashiro-machi, Minami-Saitama-Gun, Saitama
Growing public attention has been focused on the Environmental Reports that different companies have been disclosed. Their reports usually provide the stakeholders with the information about the firms’ efforts for environmental concerns. Likewise, they also usually elaborate on various outputs of their activities for the sustainability of environment. The goal of this study is to find and investigate the subjective and objective perspective from the words of environmental reports used in the companies and industries. Results of this research are we found 1) the characteristic and trends of the output nouns through a few aspects, 2) aging tendencies from the factor scores depended on the industries, 3) the classification of the direction in the companies’ environmental aspect, and so on.
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