<http://schema.org/headline>
"\u6C17\u306B\u306A\u308B\u5F7C\u3092\u30AA\u30C8\u3059\uFF01\u30D0\u30A4\u30AA\u30EA\u30BA\u30E0\u7D71\u8A08\u5360\u3044\uFF0811\u670827\u65E5\uFF5E12\u67083\u65E5\uFF09"^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/9335>