Data analysis on train transportation data with nonnegative matrix factorization. - Kyoichi Ito; Masaki Ito; Kosuke Miyazaki; Keishi Tanimoto; Kaoru Sezaki (IEEE BigData, 2017)

Travel Pattern Extraction from Smart Card Data using Data Polishing. - Mio Hosoe; Masashi Kuwano; Taku Moriyama; Kosuke Miyazaki; Masaki Ito (IEEE BigData, 2019)