<http://schema.org/image_url>
"http://media.al.com/breaking/photo/business-newsjpg-2e5c939af51dad1a.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/business/index.ssf/2013/07/athens-based_edgewater_fullsco.html>