PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Hughes engineers, as well as most everyone in the aviation world, were aware of the biggest hazard associated with the penny farthing layout: People were either getting chopped to bits by inadvertently walking into the tail rotor, or pilots were generating all kinds of damage and injuries if they accidentally struck something with the tail of their aircraft.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aviationtoday.com