PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When the parser needs to determine whether there is a tag at the current position of the document, it enumerates through its collection of tag types.
http://www.w3.org/ns/prov#wasQuotedFrom
  • codeproject.com