PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The air flow tube 422 may be constructed of various materials such as plastic, rubber, or other materials which may be known in the art.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com