@inproceedings{HT-2008-ChiM,
	author        = "Ed H. Chi and Todd Mytkowicz",
	booktitle     = "{Proceedings of the 19th Conference on Hypertext and Hypermedia}",
	doi           = "10.1145/1379092.1379110",
	isbn          = "978-1-59593-985-2",
	pages         = "81--88",
	publisher     = "{ACM}",
	title         = "{Understanding the efficiency of social tagging systems using information theory}",
	year          = 2008,
}