PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Most of the rover's science data is being returned to Earth through a network of orbiters at the Red Planet -- primarily NASA's Mars Global Surveyor (MGS) and Mars Odyssey, and also including ESA's Mars Express, which has returned data collected in collaborative experiments with Spirit.
http://www.w3.org/ns/prov#wasQuotedFrom
  • planetary.org