The paper deals with the security of interoperable heterogeneous database environments. It contains a general discussion of the issues involved as well as a description of our experiences gained during the development and implementation of the security module of IRO-DB - an European ESPRIT III funded project with the goal to develop interoperable access between relational and object-oriented databases.
Eßmayr, W., "Security in heterogeneous interoperable database environments" (1997). AMCIS 1997 Proceedings. 235.