@inproceedings{SIGITE-2008-LeePH,
	author        = "HwaMin Lee and Doo-Soon Park and Min Hong",
	booktitle     = "{Proceedings of the Ninth Conference on Information Technology Education, SIGITE 2008, Cincinnati, OH, USA, October 16-18, 2008}",
	doi           = "10.1145/1414558.1414572",
	isbn          = "978-1-60558-329-7",
	pages         = "51--52",
	publisher     = "{ACM}",
	title         = "{An instant messenger system for learner analysis in e-learning environment}",
	year          = 2008,
}