Hung-Hsuan Huang Takuya Furukawa Hiroki Ohashi Aleksandra Cerekovic Yuji Yamaoka Igor S. Pandzic Yukiko I. Nakano Toyoaki Nishida The Lessons Learned in Developing Multi-user Attentive Quiz Agents. 166-173 2009 IVA http://dx.doi.org/10.1007/978-3-642-04380-2_20 conf/iva/2009 db/conf/iva/iva2009.html#HuangFOCYPNN09