@inproceedings{SIGMOD-2000-Ross,
	author        = "Ronald G. Ross",
	booktitle     = "{Proceedings of the 30th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/342009.335457",
	isbn          = "1-58113-217-4",
	pages         = "515--516",
	publisher     = "{ACM}",
	title         = "{Expressing Business Rules}",
	year          = 2000,
}