@article {13845,
	title = {Query transformation techniques for interoperable query processing in cooperative information systems},
	journal = {Proceedings of the Second International Conference on Cooperative Information Systems (CoopIS94), May},
	year = {1994},
	month = {1994///},
	pages = {17 - 20},
	author = {Raschid, Louiqa and Chang,Y. and Dorr, Bonnie J}
}
