PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Typically, a field with a unique identifier, such as an integer, may be used to identify a related collection of fields conveniently.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com