A method of managing configuration changes in a data processing system, particularly a network wherein software products (250) must be distributed to client workstations. The method provides the definition of reference models (220e-220d) arranged in a tree (215); each reference model includes configuration...http://www.google.ca/patents/US20080215558?utm_source=gb-gplus-sharePatent US20080215558 - SYSTEM FOR MANAGING CONFIGURATION CHANGES IN A DATA PROCESSING SYSTEM