PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The dominant theory, the greenhouse effect, is based on so-called 'greenhouse gases' such as carbon dioxide and methane trapping radiation from the sun below the earth's atmosphere.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freerepublic.com