<http://schema.org/headline>
"\u30DC\u30B9\u30C8\u30F3\u7206\u5F3E\u30C6\u30ED\u5BB9\u7591\u8005\u3092\u8D77\u8A34\u2015\u7C73\u9023\u90A6\u5927\u966A\u5BE9"^^<http://www.w3.org/2001/XMLSchema#string>
<http://jp.wsj.com/articles/SB10001424127887324873304578572402759779258>