PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Atmospheric conditions varied greatly, i.e. pre-700 million years ago low atmospheric oxygen and ozone levels allowed penetration of cosmic radiation, 3.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bravenewclimate.com