About: http://webisa.webdatacommons.org/185501388

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	At least in the US, train tickets are checked mainly on the train, so there would be no need for an agent to supervise getting on the train anyway.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net