Finding environmentally important industry clusters: Multiway cut approach using nonnegative matrix factorization. - Shigemi Kagawa; Shunsuke Okamoto; Sangwon Suh; Yasushi Kondo; Keisuke Nansai (Soc. Networks, 2013)

Evaluation of sales areas in supermarket by Markov chain model. - Natsuki Sano; Katsutoshi Yada; Shunsuke Okamoto; Tomomichi Suzuki (MISNC, 2024)