PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Carbon dioxide is the best known greenhouse gas, but methane is able to trap more than 21 times more heat per molecule.
http://www.w3.org/ns/prov#wasQuotedFrom
  • esa.int