@inproceedings{SIGMOD-2009-Neumann,
	author        = "Thomas Neumann 0001",
	booktitle     = "{Proceedings of the 27th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1559845.1559889",
	isbn          = "978-1-60558-551-2",
	pages         = "403--414",
	publisher     = "{ACM}",
	title         = "{Query simplification: graceful degradation for join-order optimization}",
	year          = 2009,
}