PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ything outside the control of the air carrier, and includes circumstances such as industrial strike action, terrorism, sabotage and volcanic ash clouds.Airlines have previously used this clause as a 'get-out' to avoid paying compensation where it is rightfully due, says Bott.Many airlines have tried to argue a technical problem is an extraordinary circumstance.
http://www.w3.org/ns/prov#wasQuotedFrom
  • express.co.uk