PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In addition, the method and system can be adapted to different types of wells, including wells that employ formation pressures rather than pumps, to move the gas and the liquid.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com