<http://schema.org/image_url>
"http://media.al.com/business_impact/photo/pubjpg-368abe0205cd0cfb.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/business/index.ssf/2014/05/publix_plan_for_downtown_birmi.html>