PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A crude-oil/water/gas mixture (which mixture may also contain salt and other solids), also known as live crude oil, flows from the well head 15 through the pipe 20 to a processing plant 21 elevated above the sea surface 22 by a platform 23.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com