@article{VLDB-2011-DoanFKK,
	author        = "AnHai Doan and Michael J. Franklin and Donald Kossmann and Tim Kraska",
	ee            = "http://www.vldb.org/pvldb/vol4/p1508-doan-tutorial4.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 12,
	pages         = "1508--1509",
	title         = "{Crowdsourcing Applications and Platforms: A Data Management Perspective}",
	volume        = 4,
	year          = 2011,
}