@inproceedings{CIKM-2007-MacdonaldO,
	author        = "Craig Macdonald and Iadh Ounis",
	booktitle     = "{Proceedings of the 16th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1321440.1321490",
	isbn          = "978-1-59593-803-9",
	pages         = "341--350",
	publisher     = "{ACM}",
	title         = "{Expertise drift and query expansion in expert search}",
	year          = 2007,
}