@inproceedings{SIGMOD-1993-WangJS,
	author        = "Xiaoyang Sean Wang and Sushil Jajodia and V. S. Subrahmanian",
	booktitle     = "{Proceedings of the 23rd ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD93/P227.PDF",
	doi           = "10.1145/170035.170074",
	pages         = "227--236",
	publisher     = "{ACM Press}",
	title         = "{Temporal Modules: An Approach Toward Federated Temporal Databases}",
	year          = 1993,
}