Tomasz Imielinski, Nicolas Spyratos. On Lossless Transformation of Database Schemes not Necessarily Satisfying Universal Instance Assumption. In Proceedings of the Third ACM SIGACT-SIGMOD Symposium on Principles of Database Systems, April 2-4, 1984, Waterloo, Ontario, Canada. pages 258-265, ACM, 1984. [doi]
Abstract is missing.