PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • At 16:47 the aircraft had apparently encountered an area of bad weather, including hail, and requested (and were cleared for) a 180deg turn.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aviation-safety.net