ocr: CENTRALIZING ORGANIZATIONAL DATA NEDUCES REPLICATIUN DISTRIBUTION DATA WAREHUUSE APPROACH internar Externat Data Sources Data Sources. Experts. say that cantratizing arganizational data in one large reposi- tory, while decentralizing the data mart applications angina and analysis fools, is tne ideal architectural approach fo data warenousing. This. avoids some of the replication headaches laced by organizations that try to tink mutpie data maris. Source: SMR