@inproceedings{CIKM-2008-AzzopardiV,
	author        = "Leif Azzopardi and Vishwa Vinay",
	booktitle     = "{Proceedings of the 17th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1458082.1458157",
	isbn          = "978-1-59593-991-3",
	pages         = "561--570",
	publisher     = "{ACM}",
	title         = "{Retrievability: an evaluation measure for higher order information access tasks}",
	year          = 2008,
}