PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These techniques can be overinclusive if the document uses such layout features to denote other document elements, and can be underinclusive if the document uses a mechanism such as brackets to set off the reference marks.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com