PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • We could find extraterrestrial life with similar properties to our own though, emerging on planets with similar chemistries to the early Earth, which would be a good indicator that such systems arose naturally here as well.
http://www.w3.org/ns/prov#wasQuotedFrom
  • abc.net.au