@inproceedings {4798,
	title = {Accessing Heterogeneous Data Through Homogenization and Integration Mediators},
	booktitle = {International Conference on Cooperative Information Systems (CoopIS)},
	year = {1997},
	doi = {10.1109/COOPIS.1997.613810},
	author = {Ling-Ling Yan and Tamer Ozsu and Ling Liu}
}
