@inproceedings{HT-2009-Baeza-Yates,
	author        = "Ricardo A. Baeza-Yates",
	booktitle     = "{Proceedings of the 20th Conference on Hypertext and Hypermedia}",
	doi           = "10.1145/1557914.1557918",
	isbn          = "978-1-60558-486-7",
	pages         = "3--4",
	publisher     = "{ACM}",
	title         = "{Relating content through web usage}",
	year          = 2009,
}