About: http://webisa.webdatacommons.org/230487255

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	There have been the military men, air traffic controllers, firemen and other aerial workers trained in official capacities reporting things in the air that are unidentifiable.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com