| Primary | Pon-Barry et al, 2006 | Heather Pon-Barry, Karl Schultz, Elizabeth Owen Bratt, Brady Clark, Stanley Peters. (2006) Responding to Student Uncertainty in Spoken Tutorial
Dialogue Systems. International Journal of Artificial Intelligence in Education 16:171-194. |
| Secondary | Xu and Seneff, 2009 | Y. Xu and S. Seneff. (2009). "Speech-Based Interactive Games for Language Learning: Reading, Translation, and Question-Answering," International Journal of Computational Linguistics and Chinese Language Processing, vol. 14, no. 2 |
| Secondary | Forbes-Riley et al, 2007 | K. Forbes-Riley, M. Rotaru, D. Litman, and J. Tetrault. (2007) Exploring Affect-Context Dependencies for Adaptive System Development, in Proceedings of HLT-NAACL 2007. |
| Supplementary | Chi et al, 2010 | Chi, vanLehn, Litman, Jordan. (2010). Inducing Effective Pedagogical Strategies Using Learning Context Features, in Proceedings of the 13th International Conference on User Modelling, Adaptation and Personalization. |
| Supplementary | Litman and Silliman, 2004 | D. Litman and S. Silliman. (2004) ITSPOKE: An intelligent tutoring spoken dialogue system. in Proceedings of NAACL 2004. |
| Supplementary | DiEugenio et al., 2005 | B. Di Eugenio, D. Fossati, D. Yu, S. Haller, M. Glass. (2005) Natural Language Generation for Intelligent Tutoring Systems: a case study. AIED 2005, the 12th International Conference on Artificial Intelligence in Education. |