<http://schema.org/image_url>
"http://media.nola.com/politics/photo/lawrence-chehardy-profilejpg-4e86fe64f3cd1333.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.nola.com/politics/index.ssf/2010/10/time_growing_short_for_lawrenc.html>