<http://schema.org/image_url>
"http://media.oregonlive.com/oregonian/photo/2013/11/13810221-large.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://highschoolsports.oregonlive.com/news/article/-3673261722704162587/volleyball-2013-class-4a-all-state-team/>