PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The general atmospheric composition remains approximately 78.09% nitrogen, 20.95% oxygen, .93% argon, .039% carbon dioxide, .0018% neon and other trace gasses.
http://www.w3.org/ns/prov#wasQuotedFrom
  • drroyspencer.com