<http://schema.org/headline>
"\u5F7C\u3092\u30C8\u30EA\u30B3\u306B\u3059\u308B\u300E\u30BB\u30C3\u30AF\u30B9\u30B3\u30DF\u30E5\u30CB\u30B1\u30FC\u30B7\u30E7\u30F3\u300F\u306E\u53D6\u308A\u65B9"^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/14532>