Share 'Is Anyone Using Technology to Denote Licensure in Content/Learning Experiences?'

Is anyone using technologies such as RDF, microformats, or others to denote whether something they developed/used was creative-commons or copyrighted? I'm wondering how it might be feasible to do this for distance education content such that others can "find" the CC items while allowing an institution to easily share only the portions that are not copyright-protected.