<http://schema.org/headline>
"\u590F\u672C\u756A\uFF01\u6C57\u306B\u3082\u65E5\u5DEE\u3057\u306B\u3082\u8CA0\u3051\u306A\u3044\u3001\u5D29\u308C\u77E5\u3089\u305A\u306E\u30D9\u30FC\u30B9\u30E1\u30A4\u30AF"^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/3183>