About: http://webisa.webdatacommons.org/216923331

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	That assumes that all the alternates are always available, which is not the case -- due usually to weather, sometimes construction or other reasons.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net