<http://schema.org/image_url>
"http://media.al.com/entertainment_impact/photo/jenniferjankauskasjpg-e9ae1e9690962d7a.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/entertainment/index.ssf/2012/02/sketchbook_news_n_notes_on_gul_2.html>