PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, layers of an insulating material such as silicon dioxide or of an electrically conductive material such as copper or titanium can be deposited on the wafer 12 when a vacuum has been produced in the individual chambers 38, 40 and 42.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com