Design and evaluation of a hierarchical distributed system for programming exercise assistance. - Yoshitaka Fujiwara; Toshiharu Matsunishi; Shinichiro Okada; Hiroshi Ohkama; Hiroyuki Goto; Tetsuo Kuromaru (Syst. Comput. Jpn., 1997)

Learning Assistance Expert System Based on Java Production System with a Self-Adaptive Function. - Yoshitaka Fujiwara; Buntarou Matsuzawa; Shin-ichirou Okada (ICCE, 2002)

Self-Adaptive Java Production System and Its Application to a Learning Assistance System. - Yoshitaka Fujiwara; Shin-ichirou Okada; Tomoki Suzuki; Yoshiaki Ohnishi; Hideki Yoshida (IEICE Trans. Inf. Syst., 2004)

A Method for Tuning the Structure of a Hierarchical Causal Network Used to Evaluate a Learner's Profile. - Yoshitaka Fujiwara; Yoshiaki Ohnishi; Hideki Yoshida (IEICE Trans. Inf. Syst., 2006)

A Study on Forecasting Road Surface Conditions Based on Weather and Road Surface Data. - Atsuhiro Saegusa; Yoshitaka Fujiwara (IEICE Trans. Inf. Syst., 2007)