PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • And like anything else where we pay for lessons, there should be levels, with criteria to measure whether one is making progress or not.
http://www.w3.org/ns/prov#wasQuotedFrom
  • huffingtonpost.com