<http://schema.org/image_url>
"http://media.mlive.com/golf_impact/photo/allie-tyler-mugjpg-c8f0b397489764ba.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mlive.com/golf/index.ssf/2010/06/grand_valley_states_allie_tyle_3.html>