About: http://webisa.webdatacommons.org/70869050

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	Sketch in a function to recompute track things" such as speed and heading.
http://www.w3.org/ns/prov#wasQuotedFrom	gpsbabel.org