<http://schema.org/image_url>
"http://media.al.com/entertainment_impact/photo/maki-fresh-sushijpg-5116f9220d93754c.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/entertainment/index.ssf/2014/03/maki_fresh_opening_its_second.html>