Tag Association Based Graphical Password Using Image Feature Matching. - Kyoji Kawagoe; Shinichi Sakaguchi; Yuki Sakon; Hung-Hsuan Huang (DASFAA (2), 2012)

Walk Route Recommendation for Fitness Walkers Using Calorie Consumption Prediction. - Yuki Sakon; Hung-Hsuan Huang; Kyoji Kawagoe (ICSH, 2013)