PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In other words, figures are a language which everybody does not know how to read, and from which few know how to draw all the information contained in it.*116.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econlib.org