<http://schema.org/url>
<http://www.businessweek.com/articles/2012-05-16/saffron-costlier-and-tastier-than-gold-in-most-expensive-hot-dog>
<http://www.bloomberg.com/bw/articles/2012-05-16/saffron-costlier-and-tastier-than-gold-in-most-expensive-hot-dog/>