<http://schema.org/url>
<http://www.businessweek.com/articles/2014-05-30/sometimes-those-59-airfares-really-are-too-good-to-be-true>
<http://www.bloomberg.com/bw/articles/2014-05-30/sometimes-those-59-airfares-really-are-too-good-to-be-true>