PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I doubt there???s a universal solution, given that RDF tends to be complex, and graphs may not project easilly along a mainly linear structure of an org-mode document, but anyway, there seems to be possible middle grounds that are practically good enough.
http://www.w3.org/ns/prov#wasQuotedFrom
  • debian.org