PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • he is because natural gas is mostly methane, about 25 times more potent than CO2 in trapping atmospheric heat.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tvnewslies.org