PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Hopfer image of Christ and Mary is an etching, made by covering a metal plate with a waxy material impervious to acid.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com