PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The engine exhaust gases flow through a catalytic converter that contains a very small amount, e.g., an ounce, of noble metals, such as palladium, platinum and rhodium.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com