PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Carbon dioxide is a gas that occurs both naturally in Earth's atmosphere and as a result of human activities, like burning oil and coal for energy.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nasa.gov