PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Noble metals such as platinum and palladium could be applied but best results have been obtained with a combination of two base metals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sumobrain.com