PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As CNN explains, that mixture, which often takes on additional, naturally occurring contaminates such as lead or radioactive elements, is then pumped back to the surface.
http://www.w3.org/ns/prov#wasQuotedFrom
  • vice.com