@inproceedings{SIGMOD-2008-VuOPT,
	author        = "Quang Hieu Vu and Beng Chin Ooi and Dimitris Papadias and Anthony K. H. Tung",
	booktitle     = "{Proceedings of the 26th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1376616.1376707",
	isbn          = "978-1-60558-102-6",
	pages         = "915--926",
	publisher     = "{ACM}",
	title         = "{A graph method for keyword-based selection of the top-K databases}",
	year          = 2008,
}