PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Like water, these chemical elements have been implanted by billions of years of exposure to the solar wind and are especially likely to be found at the poles.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org