Welbo: an embodied conversational agent living in mixed reality space. - Mahoro Anabuki; Hiroyuki Kakuta; Hiroyuki Yamamoto; Hideyuki Tamura (CHI Extended Abstracts, 2000)

Jellyfish Party: Blowing Soap Bubbles in Mixed Reality Space. - Yasuhiro Okuno; Hiroyuki Kakuta; Tomohiko Takayama; Kazuhiro Asai (ISMAR, 2003)