<http://schema.org/image_url>
"http://media.al.com/business_impact/photo/publix-mobile-ee297b854e4015ba.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/business/index.ssf/2013/04/publix_sets_april_24_grand_ope.html>