<http://schema.org/image_url>
"http://media.al.com/sports_impact/photo/binghamjpg-1c41a04c062c652f.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/sports/index.ssf/2013/04/foley_wr_demarcus_bingham_call.html>