PLANET: An Open Mobile Object System for Open Network. - Kazuhiko Kato; Katsuya Matsubara; Yuuichi Someya; Kazumasa Itabashi; Yutaka Moriyama (ASA/MA, 1999)

An Approach to Mobile Software Robots for the WWW. - Kazuhiko Kato; Yuuichi Someya; Katsuya Matsubara; Kunihiko Toumura; Hirotake Abe (IEEE Trans. Knowl. Data Eng., 1999)

Implementing an applet system without fixing virtual-machine designs. - Kazumasa Itabashi; Katsuya Matsubara; Yutaka Moriyama; Yuuichi Someya; Kazuhiko Kato; Tatsurou Sekiguchi; Akinori Yonezawa (Syst. Comput. Jpn., 2003)