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Fedora Commons
Fedora (or Flexible Extensible Digital Object Repository Architecture) is a digital asset management (DAM) architecture upon which institutional repositories, digital archives, and digital library systems might be built. Fedora is the underlying architecture for a digital repository, and is not a complete management, indexing, discovery, and delivery application. It is a modular architecture built on the principle that interoperability and extensibility are best achieved by the integration of data, interfaces, and mechanisms (i.e., executable programs) as clearly defined modules.
==History==
The (Fedora Repository ) open source software is a project supported by the (DuraSpace ) not-for-profit organization. The software has its origins in the Flexible Extensible Digital Object Repository Architecture (i.e., Fedora) which was originally designed and developed by researchers at Cornell University.〔(Payette, S., and Lagoze, C., “Flexible and Extensible Digital Object and Repository Architecture (FEDORA)”, European Conference on Research and Advanced Technology for Digital Libraries, Lecture Notes in Computer Science, Springer, 1998 )〕 Fedora is an architecture for storing, managing, and accessing digital content in the form of digital objects inspired by the Kahn and Wilensky Framework.〔(Kahn, R., Wilensky R., A framework for distributed digital object services, International Journal on Digital Libraries. Volume 6 Issue 2, April 2006. Springer-Verlag Berlin, Heidelberg. )〕 Fedora began as a DARPA and NSF-funded research project at Cornell University's Digital Library Research Group in 1997, where the first reference implementation was written in Java using a CORBA-based distributed object approach.〔(Payette, S. and Lagoze, C., “Policy-Carrying, Policy-Enforcing Digital Objects,” European Conference on Research and Advanced Technology for Digital Libraries, Lisbon, Portugal, published in Lecture Notes in Computer Science, Springer, 2000 )〕〔(Payette, S., Lagoze, C., Flexible and Extensible Digital Object and Repository Architecture (FEDORA). Second European Conference on Research and Advanced Technology for Digital Libraries, ECDL’98 Heraklion, Crete, Greece September 21--23, 1998. )〕 The University of Virginia began experimenting〔(Staples, T., Wayland, R., Virginia Dons FEDORA: A Prototype for a Digital Object Repository. D-Lib Magazine. July/August 2000. )〕 with the Cornell software and later joined with Cornell to establish the Fedora Repository project that re-implemented Fedora as open source software. Since then, several modifications have been made to the architecture,〔(Payette, S. and Staples, T., “The Mellon Fedora Project: Digital Library Architecture Meets XML and Web Services,” Sixth European Conference on Research and Advanced Technology for Digital Libraries, Lecture Notes in Computer Science, Springer, September 2003 )〕 and in late 2005, version 2.1 was released.〔(Lagoze, C., Payette, S., Shin, E., and Wilper, C., “Fedora: An Architecture for Complex Objects and their Relationships,” International Journal on Digital Libraries, Special Issue on Complex Objects, Springer, 2005 )〕 Fedora defines a set of abstractions for expressing digital objects, asserting relationships among digital objects, and linking "behaviors" (i.e., services) to digital objects.
In 2003 Red Hat, Inc. applied for trademark status for the name "Fedora" to be associated with their Linux operating system project.〔(Becker, D., Red Hat, researchers in name tiff. CNET News.com. November 6, 2003. )〕 Cornell and UVA formally disputed the request and, as a final settlement, all parties settled on a co-existence agreement that stated that the Cornell-UVA project could use the name when clearly associated with open source software for digital object repository systems and that Red Hat could use the name when it was clearly associated with open source computer operating systems.〔(Fedora repository project history. )〕
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