<http://schema.org/headline>
"\u30CF\u30EF\u30A4\u304C\u67B6\u3051\u6A4B\u3000\u30AA\u30D0\u30DE\u5927\u7D71\u9818\u306E\u5E83\u5CF6\u8A2A\u554F"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.jp/yasuhiro-inoue/hawaii_obama_b_10112078.html>