About: http://webisa.webdatacommons.org/144605458

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	Set ships' courses that avoid reefs, outlying shoals, or other hazards, using navigational aids, such as lighthouses or buoys.
http://www.w3.org/ns/prov#wasQuotedFrom	onetonline.org