@inproceedings{SIGMOD-1989-NaughtonRSU,
	author        = "Jeffrey F. Naughton and Raghu Ramakrishnan and Yehoshua Sagiv and Jeffrey D. Ullman",
	booktitle     = "{Proceedings of the 19th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD89/P235.PDF",
	doi           = "10.1145/67544.66948",
	pages         = "235--242",
	title         = "{Efficient Evaluation of Right-, Left-, and Mult-Lineare Rules}",
	year          = 1989,
}