Optimization of fuzzy reasoning by genetic algorithm using variable bit-selection probability. - Makoto Ohki; Toshiaki Moriyama; Masaaki Ohkita (Syst. Comput. Jpn., 1999)

A fast computational algorithm of a fuzzy reasoning using the product-sum-gravity method. - Makoto Ohki; Syuhei Hayashi; Masaaki Ohkita (Syst. Comput. Jpn., 2000)

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

Optimization of Pulse Pattern for a Multi-robot Sonar System Using Genetic Algorithm. - George Nyauma Nyakoe; Makoto Ohki; Suichiro Tabuchi; Masaaki Ohkita (IEA/AIE, 2002)

Effective genetic operators of cooperative genetic algorithm for nurse scheduling. - Makoto Ohki; Shin-ya Uneme; Shigeto Hayashi; Masaaki Ohkita (ICINCO-ICSO, 2007)

Spherical and Torus SOM Approaches to Metabolic Syndrome Evaluation. - Peter K. Kihato; Heizo Tokutaka; Masaaki Ohkita; Kikuo Fujimura; Kazuhiko Kotani; Yoichi Kurozawa; Yoshio Maniwa (ICONIP (2), 2007)

Construction of the General Physical Condition Judgments System Using Acceleration Plethysmogram Analysis Results. - Heizo Tokutaka; Eikou Gonda; Yoshio Maniwa; Masashi Yamamoto; Toshiyuki Kakihara; Masahumi Kurata; Kikuo Fujimura; Shigang Li 001; Masaaki Ohkita (ICONIP (2), 2009)

Construction of a General Physical Condition Judgment System Using Acceleration Plethysmogram Pulse-Wave Analysis. - Heizo Tokutaka; Yoshio Maniwa; Eikou Gonda; Masashi Yamamoto; Toshiyuki Kakihara; Masahumi Kurata; Kikuo Fujimura; Shigang Li 001; Masaaki Ohkita (WSOM, 2009)

Classification Using Topologically Preserving Spherical Self-Organizing Maps. - Heizo Tokutaka; Masaaki Ohkita; Ying Hai; Kikuo Fujimura; Matashige Oyabu (WSOM, 2011)

The classification of the chain-link and other data by spherical SOM. - Heizo Tokutaka; Masaaki Ohkita; Matashige Oyabu; Kikuo Fujimura (SCIS&ISIS, 2012)

Classification of Chain-Link and Other Data with Spherical SOM. - Masaaki Ohkita; Heizo Tokutaka; Makoto Ohki; Matashige Oyabu; Kikuo Fujimura (WSOM, 2012)

Verification of Metabolic Syndrome Checkup Data with a Self-Organizing Map (SOM): Towards a Simple Judging Tool. - Heizo Tokutaka; Masaaki Ohkita; Nobuhiko Kasezawa; Makoto Ohki (WSOM, 2012)

The new proposal of the calculation for the significance degree by once SOM learning - Using iris, gene, and Tof-SIMS data. - Matashige Oyabu; Heizo Tokutaka; Masaaki Ohkita; M. Seno; Makoto Ohki (SCIS&ISIS, 2014)

Comparison of Spectrum Cluster Analysis with PCA and Spherical SOM and Related Issues Not Amenable to PCA. - Masaaki Ohkita; Heizo Tokutaka; Kazuhiro Yoshihara; Matashige Oyabu (WSOM, 2014)

Visualization and Practical Use of Clinical Survey Medical Examination Results. - Masaaki Ohkita; Heizo Tokutaka; Nobuhiko Kasezawa; Eikou Gonda (WSOM, 2016)

Simultaneous Display of Front and Back Sides of Spherical SOM for Health Data Analysis. - Gen Niina; Heizo Tokutaka; Masaaki Ohkita; Nobuhiko Kasezawa (WSOM+, 2019)