Feature-based distributed object search using signatures in Peer-to-Peer environments. - Ryo Matsushita; Hiroyuki Kitagawa; Yoshiharu Ishikawa (SAC, 2004)

Fractal Map: Fractal-Based 2D Expansion Method for Multi-scale High-Dimensional Data Visualization. - Takanori Fujiwara; Ryo Matsushita; Masaki Iwamaru; Manabu Tange; Satoshi Someya; Koji Okamoto (ISVC (1), 2010)

Heat Map Scope Technique for Stacked Time-series Data Visualization. - Yasuhiro Hashimoto; Ryo Matsushita (IV, 2012)