PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Other extenuating circumstances such as limitations of radar, excessive traffic, frequency congestion, or workload issues that might have prevented the controller from issuing pertinent weather information were not present.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aopa.org