<http://american-airlines.info/category/%e3%83%95%e3%82%a3%e3%83%83%e3%82%b7%e3%83%a3%e3%83%bc%e3%82%ba/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://american-airlines.info/category/%E3%83%95%E3%82%A3%E3%83%83%E3%82%B7%E3%83%A3%E3%83%BC%E3%82%BA/>