@article{VLDB-2013-ChenOOB13a,
	author        = "Luying Chen and Stefano Ortona and Giorgio Orsi and Michael Benedikt",
	ee            = "http://www.vldb.org/pvldb/vol6/p1486-benedikt.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 13,
	pages         = "1486--1497",
	title         = "{ggregating Semantic Annotators}",
	volume        = 6,
	year          = 2013,
}