PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, alkali metal, alkali earth metal such as Ca and the like, and alloys containing these metals can be used.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com