PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As plant matter heats, it releases compounds of carbon, hydrogen, and other flammable elements, which react with oxygen to release more energy, starting a chain reaction.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nationalgeographic.com