A New Sequence Pattern Search Algorithm N-OPS. - Guanghao Li; Tadashi Ohmori; Mamoru Hoshi; Yoshinobu Yamashita (ICDE Workshops, 2005)

Mining Web Structures Using Multi-Dimensional Data Mining Model. - Yoshinobu Yamashita; Tadashi Ohmori; Mamoru Hoshi (ICDE Workshops, 2006)