<http://webisa.webdatacommons.org/prov/494151502> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/152004642> . <http://webisa.webdatacommons.org/152004642> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/152004642> <http://www.w3.org/ns/prov#wasQuotedFrom> <airliners.net> . <http://webisa.webdatacommons.org/152004642> <http://www.w3.org/ns/prov#value> "I can remember when AA flew MD80s, 757s, and F100s on these routes, and the mix of aircraft types was really hurting their costs, particularly in a market with a big WN presence." .