About: http://webisa.webdatacommons.org/219160667

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	Thus, the typical geolocation receiver by itself does not provide all of the information that the mariner (or other traveler) needs for navigation and some other means of determining heading is required.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es