PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Greenhouse gases such as H2O, CO2, methane (CH4), nitrous oxide (N2O), CFC's, and ozone (O3) that absorb some longwave wavelengths.
http://www.w3.org/ns/prov#wasQuotedFrom
  • abc.net.au