@inproceedings{SIGIR-2005-JensenBGFC,
	author        = "Eric C. Jensen and Steven M. Beitzel and David A. Grossman and Ophir Frieder and Abdur Chowdhury",
	booktitle     = "{Proceedings of the 28th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1076034.1076155",
	isbn          = "1-59593-034-5",
	pages         = "615--616",
	publisher     = "{ACM}",
	title         = "{Predicting query difficulty on the web by learning visual clues}",
	year          = 2005,
}