@inproceedings{SIGMOD-1986-Imielinski,
	author        = "Tomasz Imielinski",
	booktitle     = "{Proceedings of the 16th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD86/P268.PDF",
	doi           = "10.1145/16894.16881",
	pages         = "268--280",
	title         = "{Query Processing in Deductive Databases with Incomplete Information}",
	year          = 1986,
}