?
ded:CategoryDescription: The physical or
digital manifestation of the resource.
ded:CategorySource: DCMI: format, v. 004
ded:CategoryComment: Typically, format may
include the media-type or dimensions of the resource. format may be used to
determine the software, hardware or other equipment needed to display or operate
the resource. Examples of dimensions include size and duration. There can only
be at most one format element.
ded:Definition: A top-level element that addresses the physical or digital
manifestation of the resource. The physical or digital manifestation of the
resource. Used to define the medium, extent or duration, and MIME type of the
resource. See IRM Spec Category: Format.
ded:Obligation: (Optional)
ded:Comment: There can be at most one format element. If the format element
exists there must be a mimeType element.