Hirotada Ueda Michihiko Minoh Masaki Chikama Junji Satake Akihiro Kobayashi Kenzabro Miyawaki Masatsugu Kidode Human-Robot Interaction in the Home Ubiquitous Network Environment. 990-997 2007 conf/hci/2007-2 HCI (2) http://dx.doi.org/10.1007/978-3-540-73107-8_109 db/conf/hci/hci2007-2.html#UedaMCSKMK07