<http://schema.org/image_url>
"http://media.nola.com/food_impact/photo/kolbs-restaurant-1jpg-813795c877fb485d.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.nola.com/food/index.ssf/2013/11/todays_thanksgiving_recipe_fro_3.html>