Linear Fuzzy Clustering for Mixed Databases Based on Optimal Scaling. - Ryo Uesugi; Katsuhiro Honda; Hidetomo Ichihashi (FUZZ-IEEE, 2006)

Linear Fuzzy Clustering of Mixed Databases Based on Cluster-wise Optimal Scaling of Categorical Variables. - Katsuhiro Honda; Ryo Uesugi; Hidetomo Ichihashi; Akira Notsu (FUZZ-IEEE, 2007)

FCM-Type Fuzzy Clustering of Mixed Databases Considering Nominal Variable Quantification. - Katsuhiro Honda; Ryo Uesugi; Hidetomo Ichihashi (J. Adv. Comput. Intell. Intell. Informatics, 2007)

An experimental study on learning effects on mode choice behavior in dynamic park and ride. - Makoto Kasai; Ryo Uesugi; Shohei Takasawa; Shintaro Terabe (ITSC, 2011)