@inproceedings{SIGMOD-1990-BlumS,
	author        = "Bruce I. Blum and Ralph D. Semmel",
	booktitle     = "{Proceedings of the 20th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD90/P390.PDF",
	doi           = "10.1145/93597.98750",
	pages         = "390",
	title         = "{The INA: A Simple Query Language with Only Attribute Names}",
	year          = 1990,
}