<http://schema.org/headline>
"\u5B9F\u306F\u7537\u6027\u3092\u300C\u30A4\u30E9\u30C3\u300D\u3068\u3055\u305B\u3066\u308B\uFF01\uFF1F\u3000\u5973\u6027\u304C\u9001\u308A\u304C\u3061\u306ANG\u30E1\u30FC\u30EB"^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/6287>