<http://schema.org/headline>
"\u5965\u5C71\u4F73\u6075\u3001\u30C0\u30A6\u30F3\u75C7\u306E\u6B21\u7537\u306B\u6559\u3048\u3089\u308C\u305F\u201C\u3007\u3007\u3057\u306A\u3044\u5B50\u80B2\u3066\u201D"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.jprime.jp/articles/-/3537>