Y. Nakano, J. Hikino and K. Yasuda, “Conversational Agents for Dementia: A Field Study for A Prototype System,” The 25th Annual Conference of the Japanese Society for Artificial Intelligence, Morioka, 1-3 June 2011, pp. 1-4.
 H. Kozima, C. Nakagawa and Y. Yasuda, “Interactive Robots for Communication-Care: A Case-Study in Autism Therapy,” IEEE International Workshop on Robots and Human Interactive Communication, Nashiville, 13-15 August 2005, pp. 341-346. doi:10.1109/ROMAN.2005.1513802
 N. Mitsunaga, T. Miyashita, H. Ishiguro, K. Kogure and N. Hagita, “Robovie-IV: A Communication Robot Interacting with People Daily in an Office,” Intelligent Robots and Systems 2006 IEEERSJ International Conference, Beijing, 9-15 October 2006, pp. 5066-5072.
 K. Wada, T. Shibata, T. Asada and T. Musha, “Robot Therapy for Prevention of Dementia at Home—Results of Preliminary Experiment,” Journal of Robotics and Mechatronics, Vol. 19, No. 6, 2007, pp. 691-697.
 M. P. Bacigalupo, C. Mennecozzi and T. Shibata, “Socially Assistive Robotics in the Treatment of Behavioral and Psychological Symptoms of Dementia,” 2006 First IEEE/RAS-EMBS International Conference on Biomedical Robotics and Biomechatronics, Pisa, 20-22 February 2006, pp. 483-488.
 M. Kanoh, Y. Oida, T. Shimizu, T. Kishi, K. Ihara and M. Shimizu, “Some Facts Revealed from an Elderly and Babyloid Symbiosis,” The 25th Annual Conference of the Japanese Society for Artificial Intelligence, Morioka, 1-3 June 2011, pp. 1-3.
 N. Futoshi, S. Kazuhiro, Y. Junji and K. Kiyoshi, “Real-Time Classification of Human Touching Behaviors Using Pressure Sensors and Its Personal Adaptation,” The Institute of Electronics, Information and Communication Engineers, 2002, pp. 613-621.
 T. Ogawa, K. Morita, H. Kitagawa, M. Fuketa and J. Aoe, “A Study of Dialogue Robot with Haptic Interactions,” 7th International Conference on Natural Language Processing and Knowledge Engineering, Tokushima, 27-29 November 2011, pp. 285-288.
 T. Ogawa, K. Morita, M. Fuketa and J. Aoe, “Empathic Robot Communication by Touch-Based Dialog Interfaces,” Proceedings of Sixth International Knowledge Management in Organizations Conference, Tokyo, 27-28 September 2011.
 B. S. Lin, H. M. Wang and L. S. Lee, “A Distributed Agent Architecture for Intelligent Multi-Domain Spoken Dialogue Systems,” IEICE Transactions on Information and Systems, Vol. E84-D, No. 9, 2001, pp. 1217-1230.
 A. J. Astell, M. P. Ellis, L. Bernardi, N. Alm, R. Dye, G. Gownas and J. Campebell, “Using a Touch Screen Computer to Support Relationships between People with Dementia and Caregivers,” Interaction with Computers, Vol. 22, No. 4, 2010, pp. 267-275. doi:10.1016/j.intcom.2010.03.003
 T. Meguro, R. Higashinaka, K. Dohsaka, Y. Minami and H. Isozaki, “Analysis of Listening-Oriented Dialogue for Building Listening Agents,” Proceeding SIGDIAL 09 Proceedings of the SIGDIAL 2009 Conference: The 10th Annual Meeting of the Special Interest Group on Discourse and Dialogue, Stroudsburg, 2009, pp. 124-127.
 K. Wada, T. Shibata, T. Saito and K. Tanie, “Effects of Robot-Assisted Activity for Elderly People and Nurses at a Day Service Center,” Proceedings of the IEEE, Vol. 92, No. 11, 2004, pp. 1780-1788. doi:10.1109/JPROC.2004.835378
 A. Corradini and P. R. Cohen, “On the Relationships among Speech, Gestures, and Object Manipulation in Virtual Environments: Initial Evidence,” In 2002 CLASS Workshop on Natural, Intelligent, and Effective Interaction in Multimodal Dialog Systems, Denmark, 28-29 June 2002.
 T. Kanda, H. Ishiguro and T. Ishida, “Psychological Analysis on Human-Robot Interaction,” Proceedings of the 2001 IEEE International Conference on Robotics and Automation, Vol. 4, 2001, pp. 4166-4173.
 The Press Release of Research Institute National Rehabilitation Center for Persons with Disablilities, “Developed a Robot which Provide Information to Support Independence Action of Persons with Dementia,” 2010. http://www.rehab.go.jp/hodo/japanese/news_22/news22-03.html