<http://schema.org/image_url>
"http://media.al.com/sports_impact/photo/logankirklandjpg-5d353db0d02ccf59.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/sports/index.ssf/2014/02/alabama_state_hornets_visit_st.html>