PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • als such as tungsten (W), chromium (Cr), tantalum (Ta), tantalum nitride (TaN), or molybdenum (Mo), or alloys or compounds containing such metals as a main component.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com