@inproceedings{SIGMOD-2007-YuLST,
	author        = "Bei Yu and Guoliang Li and Karen R. Sollins and Anthony K. H. Tung",
	booktitle     = "{Proceedings of the 25th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1247480.1247498",
	isbn          = "978-1-59593-686-8",
	pages         = "139--150",
	publisher     = "{ACM}",
	title         = "{Effective keyword-based selection of relational databases}",
	year          = 2007,
}