PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The latest data available are for 2009, since NASA releases the images from the Cassini probe with a time lag of one year.
http://www.w3.org/ns/prov#wasQuotedFrom
  • alphagalileo.org