PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If an element is declared as having only children and no content, but the element has content other than whitespace, a ???children content model with content??? error is posted and a suggestion is made to delete the element's content.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com