A Method to Plan Group Tours with Joining and Forking. - Munenobu Nagata; Yoshihiro Murata; Naoki Shibata; Keiichi Yasumoto; Minoru Ito (SEAL, 2006)

A Personal Navigation System with Functions to Compose Tour Schedules Based on Multiple Conflicting Criteria. - Takayuki Shiraishi; Munenobu Nagata; Naoki Shibata; Yoshihiro Murata; Keiichi Yasumoto; Minoru Ito (Inf. Media Technol., 2006)