About: http://webisa.webdatacommons.org/423480549

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	This system, particularly useful at night and in foggy conditions, enables ships to be noticed and identified when the usual methods (visual recognition or radar) cannot be used.
http://www.w3.org/ns/prov#wasQuotedFrom	mcmurdomarine.com