<http://schema.org/keywords>
"have-you-seen?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.co.uk/2014/08/14/mary-kate-olsen-is-engaged-to-olivier-sarkozy-there-must-be-something-in-the-air-this-week_n_7335094.html>