PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Greenhouse effect is mostly due ( >90%) due to water vapor and clouds, with CO2 and other trace gases being minor contributors.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceblogs.com