An exchange data analysis support system by intuitive reasonings based on neural network. - Kyuichiro Tani; Katsuari Kamei (SMC, 2003)

A portfolio selection by SOM and an asset allocation of risk/nonrisk assets by fuzzy reasoning using the selected brands. - Iori Nakaoka; Kyuichiro Tani; Yukinobu Hoshino; Katsuari Kamei (SMC, 2005)

A Bankruptcy Prediction Method Based on Cash flow Using SOM. - Iori Nakaoka; Kyuichiro Tani; Yukinobu Hoshino; Katsuari Kamei (SMC, 2006)