@inproceedings{HV2006, author = {W. Hämäläinen and M. Vinni}, title = {Comparison of machine learning methods for intelligent tutoring systems}, booktitle = {Proceedings of the 8th international conference in intelligent tutoring systems({ITS})}, series = {Lecture Notes on Computer Science}, volume = {4053}, publisher = {Springer}, pages = {525--534}, year = {2006} }