Exploring power transformer database using Self-Organising Maps (SOM) and Minimal Spanning Tree (MST). - Obu-Cann, Kikuo; Fujimura, K.; Tokutaka, Heizo; Ohkita, Masaaki; Inui, M.; Yamada, S. (2001)

Time series prediction model building with BP-like parameter optimization. - Yoshihara, Ikuo; Numata, M.; Sugawara, Ken; Yamada, S.; Abe, Kenichi (1999)