About: http://webisa.webdatacommons.org/415460647

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	For this reason, various vehicle tracking systems have evolved which combine certain aspects of satellite-based and mobile communications, including cellular telephony.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es