@INPROCEEDINGS {
	AUTHOR = "Gonzalo Navarro and Yakov Nekrich",
	TITLE = "Top-k Document Retrieval in Optimal Time and Linear Space",
	BOOKTITLE = "23rd ACM-SIAM Symposium on Discrete Algorithms (SODA)",
	PAGES = "1066-1078",
	MONTH = "Jan",
	YEAR = "2012",
	ADDRESS = "Kyoto, Japan",
	PUBLISHER = "SIAM Press",
	}