1. Sani, M.R., Mohammadian, N., Hoseini, M.: Ontological learner modeling. In: WCES 2012, ProcediaSocial and Behavioral Sciences, vol. 46, pp. 5238–5243 (2012)
2. Depoyer, C., De Lièvre, B., Peraya, D., Quintin, J.-J., Jailler, A.: Le tutorat en formation à distance. Perspectives en éducation & formation, DeBoeck (2011)
3. Klösgen, W., Zytkow, J.: Handbook of data mining and knowledge discovery, p. 1064. Oxford University Press, NewYork (2002)
4. Liu, X., Zhang, L., Yadegar, J., Kamat, N.: A Robust Multimodal Emotion Recognition Framework for Intelligent Tutoring Systems. In: 11th IEEEInternationalConference on Advanced Learning Technologies, Los Angeles, CA, USA, pp. 63–65 (2011)
5. Bharadwaj, B.K., Pal, S.: Mining Educational Data to Analyze Students’ Performance. International Journal of Advance Computer Science and Applications (IJACSA) 2(6), 63–69 (2011)