About: http://webisa.webdatacommons.org/429704924

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	communications, distress and calling, control of ship movement, and other functions.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com