About: http://webisa.webdatacommons.org/6298799

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	noun [mass noun] 1A system for detecting the presence, direction, distance, and speed of aircraft, ships, and other objects, by sending out pulses of radio waves which are reflected off the object back to the source.
http://www.w3.org/ns/prov#wasQuotedFrom	oxforddictionaries.com