PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • : Gases such as carbon dioxide and methane that absorb and hold heat from the sun???s infrared radiation in the atmosphere.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ck12.org