@inproceedings{CIKM-2005-WyssR,
	author        = "Catharine M. Wyss and Edward L. Robertson",
	booktitle     = "{Proceedings of the 14th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1099554.1099709",
	isbn          = "1-59593-140-6",
	pages         = "602--608",
	publisher     = "{ACM}",
	title         = "{A formal characterization of PIVOT/UNPIVOT}",
	year          = 2005,
}