PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Preferably, a given body presenting a metal surface to be protected is first treated by argon ion etching to remove all naturally occurring oxides and other contaminants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au