@inproceedings{SAC-2011-JatowtKT,
	author        = "Adam Jatowt and Yukiko Kawai and Katsumi Tanaka",
	booktitle     = "{Proceedings of the 26th Symposium on Applied Computing}",
	doi           = "10.1145/1982185.1982437",
	editor        = "William C. Chu and W. Eric Wong and Mathew J. Palakal and Chih-Cheng Hung",
	isbn          = "978-1-4503-0113-8",
	pages         = "1151--1158",
	publisher     = "{ACM}",
	title         = "{Calculating content recency based on timestamped and non-timestamped sources for supporting page quality estimation}",
	year          = 2011,
}