PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, TCAS and other known systems for predicting airborne collisions allow aircraft to approach one another to within as little as 35 seconds or less of a potential collision before collision avoidance maneuver information is displayed to the host aircraft flight crew.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com