Design and Implementation of Action History View Mechanisms for Hypermedia Systems. - Hajime Iwamoto; Chihiro Ito; Yahiko Kambayashi (COMPSAC, 1998)

Flexible search functions for multimedia data with text and other auxiliary data. - Yahiko Kambayashi; Kaoru Katayama; Toshihiro Kakimoto; Hajime Iwamoto (SAC, 1998)

A digital library system with mechanisms of collaboration support. - Hajime Iwamoto; Takayuki Kamioka; Shigenobu Furuta; Tomoki Nakajima (SMC, 2000)