Some Classes of Multilevel Relational Structures

Dirk Van Gucht, Patrick C. Fischer. Some Classes of Multilevel Relational Structures. In Proceedings of the Fifth ACM SIGACT-SIGMOD Symposium on Principles of Database Systems, March 24-26, 1986, Cambridge, Massachusetts. pages 60-69, ACM, 1986. [doi]

Abstract

Abstract is missing.