Case-Based Reasoning for Action Planning by Representing Situations at the Abstract Layers. - Toshihiko Yokogawa; Takefumi Sakurai; Akira Nukuzuma; Tomohiro Takagi; Shigenobu Kobayashi (Fuzzy Logic and Fuzzy Control, 1991)

Representations of game situations in fuzzy oriented GO system (FOG). - Toshihiko Yokogawa (KES (1), 1997)

Japanese pun analyzer using articulation similarities. - Toshihiko Yokogawa (FUZZ-IEEE, 2002)