(left) and mention (right) networks, laid out using a force-directed algorithm. Nod cluster assignments (see § 3.1). Community structure is evident in the retweet network, but less so in the mentio show in § 3.3 that in the retweet network, the red cluster A is made of 93% right-leaning users, while the blue cl Conover, Michael D., Jacob Ratkiewicz, Matthew R. Francisco, Bruno Gonçalves, Filippo Menczer, and Alessandro Flammini. 2011. “Political Polarization on Twitter.” In Proceedings of the Fifth International AAAI Conference on Weblogs and Social Media, 133:89–96. Twitterで政治情報を 共有した人のつながり ⾚⾊:共和党寄り ⻘⾊:⺠主党寄り 同じ意見を持つグループ の情報しか入ってこない 自分は正しいと思う