<http://schema.org/headline>
"\u305F\u306E\u3057\u307F\u306A\u304C\u3089\u7BC0\u7D04\u266A\u3000\u540C\u3058\u3082\u306E\u3092\u3088\u308A\u5B89\u3044\u5024\u6BB5\u3067\u624B\u306B\u5165\u308C\u308B\u65B9\u6CD5"^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/1679>