PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Burning produces tons of toxic pollution daily, including coal ash, composed of solid wastes that contain mercury, lead, arsenic and other toxics.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nwf.org