Donald E. Swartwout, James P. Fry. Towards the Support of Integrated Views of Multiple Databases: An Aggregate Schema Facility. In Eugene I. Lowenthal, Nell B. Dale, editors, Proceedings of the 1978 ACM SIGMOD International Conference on Management of Data, Austin, Texas, May 31 - June 2, 1978. pages 132-143, ACM, 1978. [doi]
Abstract is missing.