Classification of multimedia SNS posts about tourist sites based on their focus toward predicting eco-friendly users. - Naoto Kashiwagi; Tokinori Suzuki; Jounghun Lee; Daisuke Ikeda (MMAsia, 2020)

Grasping Users' Awareness for Environments from their SNS Posts. - Tokinori Suzuki; Naoto Kashiwagi; Jounghun Lee; Kun Qian; Daisuke Ikeda (J. Inf. Process., 2022)