<http://schema.org/url>
<http://www.businessweek.com/articles/2014-05-20/data-sufficiency-lean-toward-a-b-d-and-jump-to-c-vs-e-part-2>
<http://www.bloomberg.com/bw/articles/2014-05-20/data-sufficiency-lean-toward-a-b-d-and-jump-to-c-vs-e-part-2>