A hybrid recommender system based non-common items in social media. - Chi-Chih Yu; Toru Yamaguchi; Yasufumi Takama (iCAST/UMEDIA, 2013)

Integrating monitor functions of physiological data into the robotics service grid. - Chi-Chih Yu; Toru Yamaguchi; Yasufumi Takama (SII, 2013)

Toward social approach of classifying road lighting situation for community-centric system. - Yasufumi Takama; Xiaotong Xu; Chi-Chih Yu; Yu-Shen Chen; Lieu-Hen Chen (TAAI, 2015)

Walking Route Recommendation System for Taking a Walk as Health Promotion. - Yasufumi Takama; Wataru Sasaki; Takafumi Okumura; Chi-Chih Yu; Lieu-Hen Chen; Hiroshi Ishikawa 004 (WI-IAT (1), 2015)

Classification of Street Lighting Conditions for a Community-Centric System. - Yasufumi Takama; Xiaotong Xu; Chi-Chih Yu; Yu-Sheng Chen; Lieu-Hen Chen (J. Adv. Comput. Intell. Intell. Informatics, 2016)

Walking Route Recommender for Supporting a Walk as Health Promotion. - Yasufumi Takama; Wataru Sasaki; Takafumi Okumura; Chi-Chih Yu; Lieu-Hen Chen; Hiroshi Ishikawa 004 (IEICE Trans. Inf. Syst., 2017)