The Advanced Distributed Learning Registry was developed by the ADL Initiative and is the central search point for the discovery of digital objects related to DoD training, education, performance, and decision-aiding that can be redeployed, rearranged, repurposed, and rewritten. In much the same way that a card from the card catalog contains descriptive information about books in a library, the ADL Registry contains all of the registered entries that contain metadata about the digital object in a repository. "It is the first instance of a registry-based approach to repository federation resulting from the Content Object Repository Discovery and Registration/Resolution Architecture (CORDRA) project."
The ADL Registry provides centrally searchable information, in the form of metadata records (not actual objects). The metadata describes many different kinds of objects to enable their discovery and reuse regardless of their location or origin. Like SCORM, DoD Instruction (DoDI) 1322.26 Development, Management, and Delivery of Distributed Learning. DoDI 1322.26 requires that all acquired or developed SCORM content packages shall include metadata, be registered in the ADL Registry, and be maintained in DoD Components’ repositories that are searchable and accessible.
This centralized registration is now required through a DoD Instruction (1322.26) “Development, Management and Delivery of Distributed Learning.” Precisely what is registered are the metadata that describe the learning object in a structured way. This is accomplished through a component of SCORM, the Learning Object Metadata standard, now designated as IEEE 1484.12.1. In this way, the author, creation date, version number, keywords and other vital information for this individual object is available to the developer, instructor or student with a single search.
The mandatory metadata that is required by the ADL Registry to contribute an item is a subset of the IEEE Learning Object Metadata (LOM) standard and has been adapted for use in the ADL community of practice. Additional LOM elements can be used to more fully describe registered objects since the ADL Registry indexes all metadata so that others can find, redeploy, rearrange, repurpose, or rewrite digital objects.
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... The ADL Registry was developed by the ADL Initiative and is the central search point for the discovery of DoD training, education, performance, and decision-aidi ... information about books in a library, the ADL Registry contains all of the registered entries that contain metadata about the content in a repository ... The ADL Registry provides centrally searchable information, in the form of metadata records (not actual content) ...