Amihai Motro, Qiuhui Yuan. Querying Database Knowledge. In Hector Garcia-Molina, H. V. Jagadish, editors, Proceedings of the 1990 ACM SIGMOD International Conference on Management of Data, Atlantic City, NJ, May 23-25, 1990. pages 173-183, ACM Press, 1990. [doi]
Abstract is missing.