PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Fracturing is a process by which highly pressurized fluid is pumped thousands of feet into the ground to fracture rock formations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • shalegasreporter.com