[No name] [Realization] [No name] [Realization] [No name] [Realization] Improvement of data consistency [Goal] Improvement of data consistency [Goal] Reduction of maintenance costs [Goal] Reduction of maintenance costs [Goal] Common use of applications [Principle] Common use of applications [Principle] Single system of record for each data element [Principle] Single system of record for each data element [Principle]