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A good discussion of the Fedora digital object model (for Fedora 2 and prior versions) exists in a recent paper (draft) published in the International Journal of Digital Libraries. While some details of this paper have been made obsolete by the CMA (e.g. Disseminators), the core principles of the model are still part of the CMA. The Fedora digital object model is defined in XML schema language (see The Fedora Object XML - FOXML). For more information, also see the Introduction to FOXML in the Fedora System Documentation.
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