PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • with a coronagraph and interferometer), astronomers can search for atmospheric gases such as carbon dioxide, water vapor, and ozone.
http://www.w3.org/ns/prov#wasQuotedFrom
  • abovetopsecret.com