A technique of two-stage clustering applied to environmental and civil engineering and related methods of citation analysis. - S. Miyamoto; K. Nakayama (J. Am. Soc. Inf. Sci., 1983)

Effects of training data distribution on backpropagation generalization. - Carlos A. Hernández; José Espí; K. Nakayama (ISCAS, 1993)

Proposal of probabilistically and dynamically separating GA. - K. Nakayama; Katsunori Shimohara; Osamu Katai (IEEE Congress on Evolutionary Computation, 2003)