@inproceedings{SIGMOD-2005-CaoB,
	author        = "Bin Cao and Antonio Badia",
	booktitle     = "{Proceedings of the 23rd ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1066157.1066180",
	isbn          = "1-59593-060-4",
	pages         = "191--202",
	publisher     = "{ACM}",
	title         = "{A Nested Relational Approach to Processing SQL Subqueries}",
	year          = 2005,
}