PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There were plans and there was a solution but it is now outdated: http://hub.qgis.org/issues/2037
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackexchange.com