Autonomous Decentralized Multi-layered Data Consistency Technology and its application. - Hidehiko Nagase; Motoharu Yamana; Kinji Mori; Akio Shiibashi (ISADS, 2009)

Technologies Toward High Performance and High Reliability in Suica System. - Yuichi Hatsuse; Akiko Mano; Hidehiko Nagase; Motoharu Yamana; Akio Shiibashi (ISADS, 2011)