@inproceedings{EDM-2015-BoubekkiKGSB,
	author        = "Ahcène Boubekki and Ulf Kröhne and Frank Goldhammer and Waltraud Schreiber and Ulf Brefeld",
	booktitle     = "{Proceedings of the Eighth International Conference on Educational Data Mining}",
	ee            = "http://www.educationaldatamining.org/EDM2015/proceedings/poster592-593.pdf",
	isbn          = "978-8-4606-9425-0",
	pages         = "592--593",
	publisher     = "{International Educational Data Mining Society}",
	title         = "{Toward Data-Driven Analyses of Electronic Text Books}",
	year          = 2015,
}