<http://schema.org/primaryImageOfPage>
"http://media.mnn.com/assets/images/2014/10/lady-gaga.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/arts-culture/photos/group-halloween-costumes-7-quirky-ideas/a-group-of-lady-gagas>