@article{VLDB-2009-WuJOT,
	author        = "Sai Wu and Shouxu Jiang and Beng Chin Ooi and Kian-Lee Tan",
	ee            = "http://www.vldb.org/pvldb/2/vldb09-127.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 1,
	pages         = "443--454",
	title         = "{Distributed Online Aggregation}",
	volume        = 2,
	year          = 2009,
}