@inproceedings{SIGIR-2012-GhoshSBGG,
	author        = "Saptarshi Ghosh and Naveen Kumar Sharma and Fabrício Benevenuto and Niloy Ganguly and P. Krishna Gummadi",
	booktitle     = "{Proceedings of the 35th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2348283.2348361",
	isbn          = "978-1-4503-1472-5",
	pages         = "575--590",
	publisher     = "{ACM}",
	title         = "{Cognos: crowdsourcing search for topic experts in microblogs}",
	year          = 2012,
}