@inproceedings{SIGMOD-1989-IoannidisS,
	author        = "Yannis E. Ioannidis and Timos K. Sellis",
	booktitle     = "{Proceedings of the 19th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD89/P205.PDF",
	doi           = "10.1145/67544.66945",
	pages         = "205--214",
	title         = "{Conflict Resolution of Rules Assigning Values to Virtual Attributes}",
	year          = 1989,
}