Volume 16, Number 1, March 1993
Special Issue on Scientific Databases
Arie Shoshani:
A Layered Approach to Scientific Data Management at Lawrence Berkeley Laboratory.
4-8
Volume 16, Number 2, June 1993
Special Issue on Workflow and Extended Transaction Systems
Volume 16, Number 3, September 1993
Special Issue on Geographical Information Systems
Max J. Egenhofer:
Definitions of Line-Line Relations for Geographic Databases.
40-45
Volume 16, Number 4, December 1993
Special Issue on Query Processing in Commercial Database Systems