PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Wellbore completion operations frequently require the make-up of a high quality, gas-tight seals, between a workstring or production string and a wellbore tubular string, such as a casing string, which are intended for long service lives.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com