@inproceedings{EDM-2010-Hardof-JaffeHAN,
	author        = "Sharon Hardof-Jaffe and Arnon Hershkovitz and Ronit Azran and Rafi Nachmias",
	booktitle     = "{Educational Data Mining 2010, The Third International Conference on Educational Data Mining, Pittsburgh, PA, USA, June 11-13, 2010. Proceedings}",
	ee            = "http://educationaldatamining.org/EDM2010/uploads/proc/edm2010_submission_11.pdf",
	isbn          = "978-0-615-37529-8",
	pages         = "293--294",
	publisher     = "{www.educationaldatamining.org}",
	title         = "{Hierarchical Structures of Content Items in LMS}",
	year          = 2010,
}