@inproceedings{SIGMOD-2007-ChuBN,
	author        = "Eric Chu and Jennifer L. Beckmann and Jeffrey F. Naughton",
	booktitle     = "{Proceedings of the 25th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1247480.1247571",
	isbn          = "978-1-59593-686-8",
	pages         = "821--832",
	publisher     = "{ACM}",
	title         = "{The case for a wide-table approach to manage sparse relational data sets}",
	year          = 2007,
}