@inproceedings{VLDB-1977-ChenY,
	author        = "Peter P. Chen and S. Bing Yao",
	booktitle     = "{Proceedings of the Third International Conference on Very Large Data Bases}",
	cdrom         = "VLDB77/P003.PDF",
	pages         = "3--15",
	publisher     = "{IEEE Computer Society}",
	title         = "{Design and Performance Tools for Data Base Systems}",
	year          = 1977,
}