An enhanced self-organizing incremental neural network for online unsupervised learning. - Shen Furao; Tomotaka Ogura; Osamu Hasegawa (Neural Networks, 2007)

Developmental Word Acquisition and Grammar Learning by Humanoid Robots Through a Self-Organizing Incremental Neural Network. - Xiaoyuan He; Tomotaka Ogura; Akihiro Satou; Osamu Hasegawa (IEEE Trans. Syst. Man Cybern. Part B, 2007)