PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This approach is probably best, because all kinds of optimizations can happen in the End() method which do not concern the user.
http://www.w3.org/ns/prov#wasQuotedFrom
  • opentk.com