<http://schema.org/headline>
"\u3053\u306E\u77AC\u9593\u3092\u72D9\u3063\u3066\uFF01\u5F7C\u3092\u300C\u30AD\u30B9\u306E\u304A\u306D\u3060\u308A\u300D\u3067\u3068\u308D\u3051\u3055\u305B\u308B\u30B3\u30C4"^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/20204>