<http://schema.org/image_url>
"http://media.cleveland.com/metro/photo/john-kasichjpg-3bde1a3b2e8b8be6.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cleveland.com/open/index.ssf/2012/11/half_of_state_aid_to_colleges.html>