<http://schema.org/headline>
"J. K. Rowling Shares Her Rule for Writing About Sex and Unicorns, Tops Fifty Shades of Grey"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.vanityfair.com/hollywood/2012/09/j-k-rowling-harry-potter-the-casual-vacancy-sex>