PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If you took a look at the link, you would understand that water vapor plays the roll of an amplifier in the greenhouse gas warming of the earth and that the most important greenhouse gas is carbon dioxide, CO2, followed by methane, CFCs, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceblogs.com