<http://schema.org/image_url>
"http://media.masslive.com/sports_impact/photo/savejpg-89fab865bb54ef88.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.masslive.com/sports/index.ssf/2012/08/new_england_revolution_settle_3.html>