Library Cataloging
Digital Repository Management System
The Fedora project was established under the auspices of the Andrew W. Mellon Foundation to build a digital object repository management system based on the Flexible Extensible Digital Object and Repository Architecture (Fedora). The new system, designed to be a foundation upon which interoperable web-based digital libraries, institutional repositories and other information management systems can be built, demonstrates how distributed digital library architecture can be deployed using web-based technologies, including XML and Web services.
Jointly developed by the University of Virginia and Cornell University, the system completely implements the Fedora architecture, adding utilities such as batch creation tools and interactive programs for creating behavior objects that facilitate repository management. The version 1.0 of the software is aimed at providing a repository that can handle one million objects efficiently using only open source software. Later versions of the software will add important functionality, such as policy enforcement, versioning of objects and performance enhancement to support very large repositories.
The software has the following key features:
It is written in Java 1.4.A repository is exposed as a Web service and is described using Web Services Description Language (WSDL).Digital object behaviors are implemented as linkages to distributed web services that are expressed using WSDL and implemented via HTTP GET/POST or SOAP bindings.Digital objects are encoded and stored as XML using the Metadata Encoding and Transmission Standard (METS).All of the software resulting from the project is freely available under an open-source Mozilla Public License.
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Library Cataloging