Friendly social robot that understands human's friendly relationships. - Takayuki Kanda 001; Rumi Sato; Naoki Saiwaki; Hiroshi Ishiguro (IROS, 2004)

A Two-Month Field Trial in an Elementary School for Long-Term Human-Robot Interaction. - Takayuki Kanda 001; Rumi Sato; Naoki Saiwaki; Hiroshi Ishiguro (IEEE Trans. Robotics, 2007)