About: http://webisa.webdatacommons.org/456416648

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	One can in most cases assume that if there is a flight TO a location, that there is also a return flight back.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com