PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Martian atmosphere is mainly carbon dioxide, which is more dense than N2/02 of earth.
http://www.w3.org/ns/prov#wasQuotedFrom
  • spacefellowship.com