PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Top kill was an effort to pump fluids into the well to hold back the oil and gas long enough to allow a cement seal to stop the flow.
http://www.w3.org/ns/prov#wasQuotedFrom
  • revolutionradio.org