@inproceedings{CIKM-2007-TrotmanS,
	author        = "Andrew Trotman and Vikram Subramanya",
	booktitle     = "{Proceedings of the 16th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1321440.1321591",
	isbn          = "978-1-59593-803-9",
	pages         = "983--986",
	publisher     = "{ACM}",
	title         = "{Sigma encoded inverted files}",
	year          = 2007,
}