PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In fact, the system could also be used for anything needed to be positioned in the wellbore and particularly any tool that needs to be extended out horizontally into a well.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com