<http://schema.org/headline>
"\u300E\u3042\u3076\u306A\u3044\u5211\u4E8B\u300F\u65B0\u4F5C \u8218\u3072\u308D\u3057\u306E\u604B\u4EBA\u5F79\u304C\u83DC\u3005\u7DD2\u306E\u3042\u308B\u7406\u7531"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.jprime.jp/articles/-/5488>