EA Metamodel 2005-08-16 Data A metamodel containing the core elements of enterprise architecture (EA) that are applicable to all agencies at all levels of government. Specifying the core elements (data architecture) that are common to the enterprise architectures of all government agencies will facilitate the sharing of EA data in order to rationalize and harmonize information technology systems and business processes across agencies. Such rationalization and harmonization are required to make government citizen-centered, as directed by the President's Management Agenda. Collaboration Component Framework Data Interchange Data Exchange XMI Component Framework Data Management Reporting and Analysis XML for Analysis Interior Enterprise Architecture http://www.doi.gov/ocio/architecture/index.html Owen Ambur Owen_Ambur@ios.doi.gov