The method of the present invention defines a method in a computer system having a user interface, a memory, a repository and a database, and a repository program operating in the computer system for generically manipulating properties of objects stored in the repository. The program executes...http://www.google.de/patents/US5758348?utm_source=gb-gplus-sharePatent US5758348 - Method for generically manipulating properties of objects in an object oriented repository 
