PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As the noble metals other than gold, for example, salts of metals such as platinum, palladium, iridium and rhodium, and complex salts thereof can also be used.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com