@inproceedings{CIKM-2012-ShiMWG,
	author        = "Yingjie Shi and Xiaofeng Meng and Fusheng Wang and Yantao Gan",
	booktitle     = "{Proceedings of the 21st ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2396761.2398423",
	isbn          = "978-1-4503-1156-4",
	pages         = "1223--1232",
	publisher     = "{ACM}",
	title         = "{You can stop early with COLA: online processing of aggregate queries in the cloud}",
	year          = 2012,
}