@inproceedings{HT-2008-LakkarajuGS,
	author        = "Praveen Lakkaraju and Susan Gauch and Mirco Speretta",
	booktitle     = "{Proceedings of the 19th Conference on Hypertext and Hypermedia}",
	doi           = "10.1145/1379092.1379118",
	isbn          = "978-1-59593-985-2",
	pages         = "127--132",
	publisher     = "{ACM}",
	title         = "{Document similarity based on concept tree distance}",
	year          = 2008,
}