PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Officials tracking the issue say several more steps remain necessary to make oil and gas development a reality, including seismic work, rehabilitation of existing wells, and other steps.
http://www.w3.org/ns/prov#wasQuotedFrom
  • rigzone.com