About: http://webisa.webdatacommons.org/115411806

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	As is known in the art, air traffic control is a service to promote the safe, orderly, and expeditious flow of air traffic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com