PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Take a look at Colgan Air 3407 or Turkish Airlines TK1951, two crashes that were mainly caused by pilots failing to monitor airspeed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • economist.com