PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Personally, I think there is some coding problem on the part of WordPress and perhaps it really is a case of find a previous version that is stable.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wordpress.org