PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Methane is a fossil fuel that itself contributes even more strongly to global warming than carbon dioxide, and also produces large amounts of carbon dioxide when it is burned.
http://www.w3.org/ns/prov#wasQuotedFrom
  • irregulartimes.com