PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The concept of an inherently legal heading is one of the more difficult ones for newer law catalogers, and for non-law catalogers and general users, to grasp: some Library of Congress subject headings, such as copyright, are considered to be inherently legal.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aallnet.org