<http://schema.org/headline>
"'B\u1ECD' L\u1EADp n\u00F3i kh\u00F4ng v\u1EDBi ki\u1EC3m duy\u1EC7t"^^<http://www.w3.org/2001/XMLSchema#string>
<http://bbcvietnamese.com/vietnamese/vietnam/2013/05/130530_blog_que_choa_doi_dia_chi.shtml>