A Decomposition of Parking Functions by Undesired Spaces. - Melody Bruce; Michael Dougherty; Max Hlavacek; Ryo Kudo; Ian Nicolas (Electron. J. Comb., 2016)

Enhancing the Use of Population Statistics Derived from Mobile Phone Users by Considering Building-Use Dependent Purpose of Stay. - Toshihiro Osaragi; Ryo Kudo (AGILE Conference, 2019)