<http://schema.org/image_url>
"http://media.gulflive.com/mississippi-press-news/photo/premature-baby-angela-perrymanjpg-bd38792bbb9dd21f.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/news/index.ssf/2014/08/black_infants_are_dying_less_e.html>