<http://schema.org/headline>
"\u3053\u306E17\u679A\u306E\u52D5\u7269\u5199\u771F\u3092\u4E8C\u5EA6\u898B\u3057\u306A\u3044\u4EBA\u306F\u3044\u308B\u3060\u308D\u3046\u304B\u3002\u3044\u3084\u3001\u3044\u306A\u3044"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.jp/2015/02/25/animal-photos-double-take_n_6757356.html>