PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The seed layers (where used) are of materials such as copper (Cu), gold (Au), silver (Ag), compounds thereof to and combinations thereof with one or more of the above elements.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com