@inproceedings{CIKM-2007-EavisL,
	author        = "Todd Eavis and Alex Lopez",
	booktitle     = "{Proceedings of the 16th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1321440.1321508",
	isbn          = "978-1-59593-803-9",
	pages         = "475--484",
	publisher     = "{ACM}",
	title         = "{Rk-hist: an r-tree based histogram for multi-dimensional selectivity estimation}",
	year          = 2007,
}