PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Airport managers are also urging local support. ???Tall obstacles such as cell phone towers, wind turbines, or other structures built too close to airports create a serious safety hazard for pilots and those on the ground,??? said Mark Kimberling, AOPA director of state government affairs. ???Compatible land-use regulations for airports can help minimize this risk.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aopa.org