It's an interesting effort to change the way data/information is shared and advertised across the DoD enterprise. The idea is that information assets are to be 'tagged' with metadata created by "Communities of Interest" --groups formed by people from DoD components (including services such as Army, Navy, etc.), NGO's, contactors, literally whomever has information they want to share across organizational boundaries. These "COIs" (communities of interest) create a metadata schema (based on DoD standard) and, most importantly, the schemes (vocabulary) for the metadata tags/fields/slots/whatever you want to call them.

Efforts as this make me think of how policies are pulled by technological innovations. Although the technology is readily available and proven, policies about horizontal integration/information sharing across multiple organizations often comes down to legal and contactural agreements --and the policies of those organizations.