PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If queries are made principally on a small number of element and attribute values, you may want to promote those quantities into relational columns.
http://www.w3.org/ns/prov#wasQuotedFrom
  • microsoft.com