@inproceedings{SIGIR-2013-VillaH,
	author        = "Robert Villa and Martin Halvey",
	booktitle     = "{Proceedings of the 36th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2484028.2484150",
	isbn          = "978-1-4503-2034-4",
	pages         = "765--768",
	publisher     = "{ACM}",
	title         = "{Is relevance hard work?: evaluating the effort of making relevant assessments}",
	year          = 2013,
}