@inproceedings{SIGMOD-1977-Sharman,
	author        = "G. C. H. Sharman",
	booktitle     = "{Proceedings of the Seventh ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD77/P021.PDF",
	doi           = "10.1145/509404.509410",
	pages         = "21--29",
	publisher     = "{ACM}",
	title         = "{Update-by-Dialogue: An Interactive Approach to Database Modification}",
	year          = 1977,
}