<http://schema.org/dateModified>
"2015-05-22T09:12:02Z"^^<http://schema.org/Date>
<http://www.huffingtonpost.co.uk/2011/03/08/more-royal-wedding-news-kate-will-wear-flat-shoes-and-speculations-about-the-ring-designer-begin_n_7411228.html>