<http://schema.org/image_url>
"http://media.al.com/entertainment_impact/photo/chuck-king-october-2011jpegjpg-6e1f1dd2961c8ca8.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/entertainment/index.ssf/2013/05/trumpeter.html>