<http://schema.org/image_url>
"http://media.al.com/sports_impact/photo/tiger-woods-374b6d7838b36ce7.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/sports/index.ssf/2014/08/tiger_woods_leaves_wgc_tourney.html>