PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It would not be desirable to redefine $a, $b, and $c for only one type of statement (probably publication is the most common usage), since existing records would still mix the functions of publication, distribution and production in those subfields.
http://www.w3.org/ns/prov#wasQuotedFrom
  • loc.gov