XEBRA: The Design and Implementation of Integrated Programming Environment for XML Processing and Browsing. - Norio Toyama; Yasuyuki Hirakawa; Takashi Hattori; Tatsuya Hagino (WWW Posters, 2001)

Exploiting Multiple Radii to Learn Significant Locations. - Norio Toyama; Takashi Ota; Fumihiro Kato; Youichi Toyota; Takashi Hattori; Tatsuya Hagino (LoCA, 2005)