@inproceedings{SIGIR-2014-RybakBN,
	author        = "Jan Rybak and Krisztian Balog and Kjetil Nørvåg",
	booktitle     = "{Proceedings of the 37th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2600428.2611190",
	isbn          = "978-1-4503-2257-7",
	pages         = "1273--1274",
	publisher     = "{ACM}",
	title         = "{ExperTime: tracking expertise over time}",
	year          = 2014,
}