<http://schema.org/headline>
"\u6C17\u306B\u306A\u308B\u4ECA\u65E5\u306E\u904B\u52E2\u306F\uFF1F\uFF01\u30CF\u30A6\u30B3\u30EC\u5360\u3044\u3067\u6BCE\u65E5\u3092\u3082\u3063\u3068\u30CF\u30C3\u30D4\u30FC\u306B\u266A  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/17101>