About: http://webisa.webdatacommons.org/29785475

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	In order to measure vehicle heading, route guidance systems typically utilize a magnetic compass, as well as a gyroscope or other relative heading sensor.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com