@inproceedings{SIGMOD-1992-LieuwenD,
	author        = "Daniel F. Lieuwen and David J. DeWitt",
	booktitle     = "{Proceedings of the 22nd ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD92/P091.PDF",
	doi           = "10.1145/130283.130301",
	pages         = "91--100",
	title         = "{A Transformation-Based Approach to Optimizing Loops in Database Programming Languages}",
	year          = 1992,
}