Rights Expression Languages Report to Library of Congress

The Library of Congress just released this report, which discusses rights expression languages (the stuff that drives usable DRM).

Here's a link to the PDF. Haven't had a chance to read it yet, but it might come in handy.

See Also

• IMS LOM, Thumbnails, and Relations
• IMS LOM Proposal: Multiple Technical Elements to Support Thumbnails etc...
• CanCore Metadata Guidelines Updated
• IMS Vocabulary Definition Exchange
• Note to self: Metadata > XML