@inproceedings{CSCW-2011-KamranC,
	author        = "Saman Kamran and Fabio Crestani",
	booktitle     = "{Proceedings of the 14th ACM Conference on Computer Supported Cooperative Work}",
	doi           = "10.1145/1958824.1958938",
	isbn          = "978-1-4503-0556-3",
	pages         = "657--660",
	publisher     = "{ACM}",
	title         = "{Defining ontology by using users collaboration on social media}",
	year          = 2011,
}