@conference {16464,
	title = {Semantic query optimization for object databases},
	booktitle = {Data Engineering, 1997. Proceedings. 13th International Conference on},
	year = {1997},
	month = {1997///},
	pages = {444 - 453},
	author = {Grant,J. and Gryz,J. and Minker, Jack and Raschid, Louiqa}
}
