Enhancement of e-commerce via mobile accesses to the Internet. - Ushio Sumita; Jun Yoshii (Electron. Commer. Res. Appl., 2010)

Development of Sequential Association Rules for Preventing Minor-stoppages in Semi-conductor Manufacturing. - Sumika Arima; Ushio Sumita; Jun Yoshii (ICORES, 2012)

How to Equip Students with Methodologies and Tools for Capturing Rapidly Changing Environments through Computer Supported Education. - Ushio Sumita; Jun Yoshii (CSEDU, 2013)