<http://schema.org/image_url>
"http://media.masslive.com/sports_impact/photo/teo-nd-11813jpg-97c926443bd3c296.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.masslive.com/sports/index.ssf/2013/01/minor_league_baseball_promoter.html>