PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Because iron is common on the moon, planets and other objects in space, the technique could be used to detect signs of past life beyond our own planet.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com