@inproceedings{EDM-2016-ShimadaOO,
	author        = "Atsushi Shimada and Fumiya Okubo and Hiroaki Ogata",
	booktitle     = "{Proceedings of the Ninth International Conference on Educational Data Mining}",
	ee            = "http://www.educationaldatamining.org/EDM2016/proceedings/paper_183.pdf",
	pages         = "636--637",
	publisher     = "{International Educational Data Mining Society}",
	title         = "{Browsing-Pattern Mining from e-Book Logs with Non-negative Matrix Factorization}",
	year          = 2016,
}