PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Carbon dioxide is a greenhouse gas which acts like a blanket in the atmosphere to trap heat (see my posting entitled Solar Activity, Greenhouse Gas Levels and Climate Change on Our Earth).
http://www.w3.org/ns/prov#wasQuotedFrom
  • motherearthnews.com