PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • With successful application of horizontal drilling coupled with multiple stage hydraulic fracturing, the industry has unlocked large-scale repeatable, oil and gas plays and shale formations across the country, such as the Marcellus, Eagle Ford and Bakken.
http://www.w3.org/ns/prov#wasQuotedFrom
  • morningstar.com