About: http://webisa.webdatacommons.org/201560471

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	Usually the focus is on training and other items which are supposedly more cost effective than egress - such as ground collision and air traffic warning systems.
http://www.w3.org/ns/prov#wasQuotedFrom	greenspun.com