<http://schema.org/image_url>
"http://media.al.com/business_impact/photo/benz-songer-9jpg-971bdb820a9c03e6.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/business/index.ssf/2013/03/mercedes-benz_plans_70_million.html>