PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In so-called wireline well logging, wherein measurements are taken in a well bore (with the drill string removed) by lowering a logging device in the well bore on a wireline cable and taking measurements with the device as the cable is withdrawn, there are several techniques of resistivity logging which use elements such as electrodes or coils.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com