<http://schema.org/headline>
"\u300C\u5E74\u9F62\uFF1D\u5F7C\u6C0F\u3044\u306A\u3044\u6B74\u300D\u306B\u60A9\u3080\u5973\u5B50\u304C\u3068\u308B\u3079\u304D\u884C\u52D5\u3068\u306F\uFF1F"^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/11825>