<http://schema.org/headline>
"\u300C\u8003\u3048\u308B\u300D\u3053\u3068\u3067\u3001\u4F59\u8A08\u306A\u9078\u629E\u80A2\u3092\u6E1B\u3089\u3059"^^<http://www.w3.org/2001/XMLSchema#string>
<http://nakaken88.com/2015/12/01/080821>