In an effort to organize and coordinate information vital to the decision-making process, many government IT managers are implementing data warehouses. Often, they are struggling with islands of information around their organization and want to move to a centralized data warehouse that speeds access to critical information. Data warehousing solutions offer a way to unify disparate systems with one consistent version of data, transforming raw data into useful business information for strategic decision-making. When the Department of Defense, Health Affairs decided to transition from a fee-for-service to a managed care form of health care delivery for its 8.5 million beneficiaries, its IS team determined that it needed a corporate executive information system (CEIS) and an enterprise data warehouse. A crucial part of their challenge would be finding the best way to move data from multiple existing systems, perform the complex transformations required to integrate the data and get it all done under a tight operational window.

DoD Health Affairs is a global network of 225 Army, Navy and Air Force hospitals, 400 clinics and numerous outpatient facilities. Five major source data collection systems (SDCS) located in twelve geographic regions have been identified as data sources.

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