PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • On the surface of the first insulating film, functional group such as hydroxy group, amino group or carboxyl group may be introduced.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au