Social Robotics : 9th International Conference, ICSR 2017, Tsukuba, Japan, November 22-24, 2017, Proceedings - Kheddar, Abderrahmane.; Yoshida, Eiichi.; Ge, Shuzhi Sam.; Suzuki, Kenji.; Cabibihan, John-John.; Eyssel, Friederike.; He, Hongsheng. (Lecture Notes in Artificial Intelligence ;, 2017)