PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The catalyst typically consists of gold (Au), however, other metals such as Ga, Al, Ti and Ni can also be used.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com