@inproceedings{CIKM-2013-ChengAH,
	author        = "Shiwen Cheng and Anastasios Arvanitis and Vagelis Hristidis",
	booktitle     = "{Proceedings of the 22nd ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2505515.2505696",
	isbn          = "978-1-4503-2263-8",
	pages         = "1271--1280",
	publisher     = "{ACM}",
	title         = "{How fresh do you want your search results?}",
	year          = 2013,
}