Extensions of Query Processing Facilities in Mediator Systems. - Kazumasa Yokota; Yutaka Banjou; Takashi Kuroda; Takeo Kunishima (KRDB, 1997)

Visual User Interface for Spatial Databases Combined with Landscape Images and Sensors. - Hiroki Takakura; Yutaka Banjou; Yahiko Kambayashi (DANTE, 1999)