16. The system of claim 15 , wherein a composite relationship is updated and/or a new composite relationship is created and propagating a modification operation is performed from the referencing SOA object to all referenced SOA objects.
16. The system of claim 15 , wherein a composite relationship is updated and/or a new composite relationship is created and propagating a modification operation is performed from the referencing SOA object to all referenced SOA objects. 17. The system of claim 16 , wherein the new composite relationship references a new SOA object, and wherein the new SOA object keeps the at least one original modification operation and redundant modification operations are removed.