<http://schema.org/headline>
"H\u1ED3i k\u00FD Clinton: TQ 'qu\u00E1 \u0111\u00E0'"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bbc.com/vietnamese/vietnam/2014/06/140617_clinton_book_vietnam_china.shtml>