@inproceedings{EDM-2014-HernandoGSAN,
	author        = "Manuel Hernando and Eduardo Guzmán and Sergey A. Sosnovsky and Eric Andres and Susanne Narciss",
	booktitle     = "{Proceedings of the Seventh International Conference on Educational Data Mining}",
	ee            = "http://www.educationaldatamining.org/EDM2014/uploads/procs2014/posters/99_EDM-2014-Poster.pdf",
	isbn          = "978-0-9839-5254-1",
	pages         = "423--424",
	publisher     = "{International Educational Data Mining Society}",
	title         = "{Towards IRT-based student modeling from problem solving steps}",
	year          = 2014,
}