About: http://webisa.webdatacommons.org/425233660

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	Clearly the heading of a vehicle, such as a ship or aircraft, may be quite different from the direction of its velocity vector.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com