PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The world's airlines use some 205 million tons of aviation fuel (kerosene) each year, producing greenhouse gases such as carbon dioxide, nitrogen oxides, ozone, sulfur dioxide, and methane.
http://www.w3.org/ns/prov#wasQuotedFrom
  • democraticunderground.com