About: http://webisa.webdatacommons.org/6167552

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	On each of the vehicles is an on-line control system for decoding vehicle command messages and assembling performance report messages and a speed control unit for controlling acceleration and braking of the vehicles.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com