@inproceedings{SIGMOD-1989-GraefeW,
	author        = "Goetz Graefe and Karen Ward",
	booktitle     = "{Proceedings of the 19th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD89/P358.PDF",
	doi           = "10.1145/67544.66960",
	pages         = "358--366",
	title         = "{Dynamic Query Evaluation Plans}",
	year          = 1989,
}