@inproceedings{SIGMOD-1993-OrdilleM,
	author        = "Joann J. Ordille and Barton P. Miller",
	booktitle     = "{Proceedings of the 23rd ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD93/P403.PDF",
	doi           = "10.1145/170035.170099",
	pages         = "403--407",
	publisher     = "{ACM Press}",
	title         = "{Database Challenges in Global Information Systems}",
	year          = 1993,
}