PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In some cases, it may desirable to know whether an object, such as text document has one or more user interface elements applied to some or all of the data therein.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com