@inproceedings{CIKM-2019-Apfelbaum,
	author        = "Roel Apfelbaum",
	booktitle     = "{Proceedings of the 28th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/3357384.3358084",
	isbn          = "978-1-4503-6976-3",
	pages         = "2473--2476",
	publisher     = "{ACM}",
	title         = "{Estimating the Number of Distinct Items in a Database by Sampling}",
	year          = 2019,
}