Building an Interactive Caring Agent for Students in Computer-based Learning Environments. - Tzung-Yi Lee; Chih-Wei Chang; Gwo-Dong Chen (ICALT, 2007)

An Empathic Avatar in a Computer-Aided Learning Program to Encourage and Persuade Learners. - Gwo-Dong Chen; Jih-Hsien Lee; Chin-Yeh Wang; Po-Yao Chao; Liang-Yi Li; Tzung-Yi Lee (J. Educ. Technol. Soc., 2012)