@inproceedings{SIGMOD-1991-AbiteboulB,
	author        = "Serge Abiteboul and Anthony J. Bonner",
	booktitle     = "{Proceedings of the 21st ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD91/P238.PDF",
	doi           = "10.1145/115790.115830",
	pages         = "238--247",
	title         = "{Objects and Views}",
	year          = 1991,
}