About: http://webisa.webdatacommons.org/33339855

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	A MAD is a device normally found on anti-submarine warfare aircraft that detects changes in the earth's magnetic field caused by a large metal object (i.e., a submarine).
http://www.w3.org/ns/prov#wasQuotedFrom	navaldrones.com