A knowledge-based system compiled on a computer environment or stored on a memory carrier is disclosed. The knowledge-based system comprises a representation of at least one business service and said representation including a representation of the business processes within said service and a representation of resources needed for executing said business processes, said representation further including a representation of the communication between said processes; and means for analyzing an impact of a model change in at least one of said processes and/or in at least one of resources and/or in at least one of said communication or interdependency on at least one other of said processes and/or said resources and/or said communication or interdependency.
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