About: http://webisa.webdatacommons.org/389065149

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	Determining the speed is a simple case of extracting the value from the GeolocationEvent's speed property before converting it to a string:
http://www.w3.org/ns/prov#wasQuotedFrom	tutsplus.com