PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, the instrument could still be of value to track chemical changes in the lunar surface in response to external factors such as illumination, temperature and solar wind.
http://www.w3.org/ns/prov#wasQuotedFrom
  • spaceflight101.com