<http://schema.org/headline>
"\u4E00\u9014\u306A\u601D\u3044\u3092\u8A9E\u308B\u5973\u5B50\u300C\u8AB0\u3088\u308A\u3082\u3042\u306A\u305F\u3092\u597D\u304D\u306A\u81EA\u4FE1\u304C\u3042\u308B\u300D"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mdpr.jp/column/detail/1565366>