<http://schema.org/url>
<http://www.bloombergview.com/articles/2011-06-07/housing-market-has-persistent-case-of-the-blahs-edward-glaeser>
<http://www.bloombergview.com/articles/2011-06-07/housing-market-has-persistent-case-of-the-blahs-edward-glaeser>