About: http://webisa.webdatacommons.org/117353033

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	The most likely place for control would be the element at the head end of the train, but it was anticipated that under circumstances such as a failure in the leading unit, the train would be controlled from a following element.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com