@inproceedings{SIGMOD-2012-OrdonezGC,
	author        = "Carlos Ordonez and Javier García-García and Zhibo Chen",
	booktitle     = "{Proceedings of the 30th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/2213836.2213919",
	isbn          = "978-1-4503-1247-9",
	pages         = "637--640",
	publisher     = "{ACM}",
	title         = "{Dynamic optimization of generalized SQL queries with horizontal aggregations}",
	year          = 2012,
}