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.hydrogen with small amount of helium is in the sun.the sun is a star (closest star to Earth). anon68956
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.org