PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The former is a neutral statement based on fact that can be proven with observable evidence while the latter is a subjective statement presented as an emotional appeal.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com