PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • During drilling of a well for production of oil, gas, or other fluids, it may be desirable to perform directional drilling, which may result in drilling of a deviated well bore.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com