@inproceedings{CIKM-2000-Koudas,
	author        = "Nick Koudas",
	booktitle     = "{Proceedings of the Ninth ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/354756.354819",
	pages         = "194--201",
	publisher     = "{ACM}",
	title         = "{Space Efficient Bitmap Indexing}",
	year          = 2000,
}