@article {4005,
	title = {Reasoning About Uniqueness Constraints in Object Relational Databases},
	journal = {IEEE Transactions on Knowledge and Data Engineering (TKDE)},
	volume = {15},
	year = {2003},
	pages = {1295--1306},
	doi = {10.1109/TKDE.2003.1232279},
	author = {Vitaliy L. Khizder and Grant Weddell}
}
