<http://schema.org/headline>
"\u300C\u3042\u308A\u306E\u307E\u307E\u300D\u3063\u3066\u3001\u306A\u3093\u3060\u308D\u3046\uFF1F\u3042\u308A\u306E\u307E\u307E\u3053\u3058\u3089\u305B\u5973\u5B50\u306B\u306A\u3089\u306A\u3044\u305F\u3081\u306B"^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/14928>