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An entity- relationship (E- R) data model shows how the sets of information contained in archi-tectures are related to each other. Like the wooden forms used in the building trade to hold concrete until it sets, the architecture information data model is not part of any architecture. As such, it should not be confused with the data models that are part of C4ISR architectures, such as E- R diagrams that show how various elements of warfighter information are processed to support a particular task or activity.
Figure A- 1 addresses the information contained in the Operational Architecture and shows relationship to systems. This diagram will be expanded in the next version of the Framework report to more fully address systems and technical architecture data sets.
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