<http://schema.org/headline>
"Huy\u1EC1n tho\u1EA1i truy\u1EC1n h\u00ECnh Anh qua \u0111\u1EDDi"^^<http://www.w3.org/2001/XMLSchema#string>
<http://bbcvietnamese.com/vietnamese/world/2013/09/130901_david_frost_qua_doi.shtml>