@inproceedings{SIGMOD-1987-ShenoyO,
	author        = "Sreekumar T. Shenoy and Z. Meral Özsoyoglu",
	booktitle     = "{Proceedings of the 17th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD87/P181.PDF",
	doi           = "10.1145/38713.38736",
	pages         = "181--195",
	title         = "{A System for Semantic Query Optimization}",
	year          = 1987,
}