About: http://webisa.webdatacommons.org/289919410

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	It is used for aircraft and ship detection, control of weapons firing, navigation, and other forms of surveillance.
http://www.w3.org/ns/prov#wasQuotedFrom	jrank.org