@inproceedings{CSCW-2013-XuHKC,
	author        = "Bo Xu and Yun Huang and Haewoon Kwak and Noshir S. Contractor",
	booktitle     = "{Proceedings of the 16th ACM Conference on Computer Supported Cooperative Work}",
	doi           = "10.1145/2441776.2441875",
	isbn          = "978-1-4503-1331-5",
	pages         = "871--876",
	publisher     = "{ACM}",
	title         = "{Structures of broken ties: exploring unfollow behavior on twitter}",
	year          = 2013,
}