<http://schema.org/headline>
"\u4EBA\u751F\u306A\u3081\u3066\u308B\u5973\u306F\u304B\u308F\u3044\u3044\uFF01\uFF1F\u7B11\u3063\u3066\u8A31\u3055\u308C\u308B\u5973\u306B\u306A\u308B\u65B9\u6CD5"^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/3622>