LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL NAOYUKI OKADA is a Professor of Artificial Intelligence at Kyushu Institute of Technology, Iizuka, Japan. His research interest is in the development of agents with integrated intelligence: language association with mind, symbol grounding in perception or motion, fusion of intellect and emotion, and integrated processing of MultiMedia. He has actively published unique papers in these areas. He was leader of the working group of systematizing science of knowledge subordinate to Science Council of Japan. Okada is trustee of Japanese Society for Artificial Intelligence, member of the editorial board of Artificial Intelligence Review Journal and president of PACLING (Pacific Association for Computational Linguistics). LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL