SIGMOD Record, Volume 20

Volume 20, Number 1, March 1991

Volume 20, Number 2, June 1991

James Clifford, Roger King (Eds.): Proceedings of the 1991 ACM SIGMOD International Conference on Management of Data, Denver, Colorado, May 29-31, 1991.
Contents

Volume 20, Number 3, September 1991

Volume 20, Number 4, December 1991

Semantic Issues in Multidatabase Systems Regular Section