About: http://webisa.webdatacommons.org/183322751

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	Some other websites do them as well, including Expedia and Kayak, however they normally do not have a separate interface for these, and only show them on occasion after you have searched for a normal flight.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com