@inproceedings{SIGMOD-1998-Miller,
	author        = "Renée J. Miller",
	booktitle     = "{Proceedings of the 28th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD98/P189.PDF",
	doi           = "10.1145/276304.276322",
	isbn          = "0-89791-995-5",
	pages         = "189--200",
	publisher     = "{ACM Press}",
	title         = "{Using Schematically Heterogeneous Structures}",
	year          = 1998,
}