@inproceedings{ECIR-2017-ChifuDMM,
	author        = "Adrian-Gabriel Chifu and Sébastien Déjean and Stefano Mizzaro and Josiane Mothe",
	booktitle     = "{Proceedings of the 39th European Conference on Information Retrieval Research: Advances in Information Retrieval}",
	doi           = "10.1007/978-3-319-56608-5_27",
	isbn          = "['978-3-319-56607-8', '978-3-319-56608-5']",
	pages         = "343--356",
	title         = "{Human-Based Query Difficulty Prediction}",
	year          = 2017,
}