PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • balt, nickel, copper, or silver; most preferably M is titanium, chromium, manganese, iron, cobalt, nickel, copper, or silver.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com