PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The take-off valve was opened after 4 hours and ether was stripped from the reactor at such a rate as to be completely removed in 3 hours.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com