PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since the earth does not care whether CO2 is from natural or man-made sources, there is no reason to suppose that this self-correcting mechanism will not work again this time around too.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencebits.com