@inproceedings{ECIR-2007-XuAZ,
	author        = "Zuobing Xu and Ram Akella and Yi Zhang",
	booktitle     = "{Proceedings of the 29th European Conference on Information Retrieval Research: Advances in Information Retrieval}",
	doi           = "10.1007/978-3-540-71496-5_24",
	isbn          = "978-3-540-71494-1",
	pages         = "246--257",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Incorporating Diversity and Density in Active Learning for Relevance Feedback}",
	volume        = 4425,
	year          = 2007,
}