PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ???Metal??? or ???metals??? includes one or more metals whether in the form of substantially pure metals alloys or compounds such as oxides, nitrides, borides, sulphides, halides or hydrides.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca