@inproceedings{SIGMOD-2009-ChapmanJ,
	author        = "Adriane Chapman and H. V. Jagadish",
	booktitle     = "{Proceedings of the 27th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1559845.1559901",
	isbn          = "978-1-60558-551-2",
	pages         = "523--534",
	publisher     = "{ACM}",
	title         = "{Why not?}",
	year          = 2009,
}