PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Graphite also is a good conductor and this presents a challenge for a geologist who has to differentiate between graphite and sulphide anomalies.
http://www.w3.org/ns/prov#wasQuotedFrom
  • explorationgeophysics.info