This paper discusses PlanetDR, whose architecture supports very large federated educational digitalrepositories. It is based on the implementation of current open specifications for interoperability(such as IEEE Learning Object Metadata and IMS Digital Repositories Interoperability, in itsEdusource Communication Language version), and its integration with the workflow of eLearningproduction in the context of the Reload Learning Design editor. This integration should supportbetter re-use of resources; some open problems for enhancing further this re-use are also discussed.
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机译：本文讨论了PlanetDR，其架构支持非常大的联合教育数字存储库。它基于对互操作性的当前开放规范的实现（例如，在其Edusource Communication Language版本中，是IEEE学习对象元数据和IMS数字资源库互操作性），并且在Reload Learning Design编辑器的上下文中与eLearningproduction的工作流集成在一起。这种整合应支持更好地重用资源；还讨论了一些进一步提高这种重复使用的开放性问题。
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