<http://schema.org/image_url>
"http://media.nola.com/hornets_impact/photo/obama-boehner-mugsjpg-d674022ff3ba1370.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.nola.com/politics/index.ssf/2013/02/who_is_responsible_for_sequest.html>