<http://schema.org/headline>
"\u4E16\u754C\u6700\u5927\u7D1A\u306E\u5BFA\u793E\u30D5\u30A7\u30B9\u304C\u6771\u4EAC\u30FB\u5897\u4E0A\u5BFA\u30674\u670829\u65E5\u306B\u958B\u50AC"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.jp/2014/04/28/kogen_n_5224460.html>