PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Fracking, which has been done for more than 60 years, is a process in which drillers pump large amounts of water, fluids, and chemicals deep into the ground under high pressure and cause the shale rock to crack.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fool.com