<http://schema.org/keywords>
"uk-science"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.co.uk/entry/mit-scientists-develop-powerful-new-wifi-signal-thats-faster-and-works-in-stadiums_uk_57bdaa50e4b0f78b2b4c84f5>