DEA based hierarchical structure evaluation and visualization method. - Kazushige Inoue; Takeo Ichinotsubo; Shingo Aoki (FUZZ-IEEE, 2011)

Dependency Extraction from Growth Trajectory using Sequential Pattern. - Shunsuke Aoki; Ryosuke Saga; Takeo Ichinotsubo; Woyuan Niu; Hiroshi Tsuji (I-KNOW, 2013)