PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Biofuels are a "solid, liquid, or gas fuel consisting of, or derived from dead biological material, most commonly plants".
http://www.w3.org/ns/prov#wasQuotedFrom
  • coyoteblog.com