<http://schema.org/headline>
"\u604B\u611B\u904B\u3082\u3042\u304C\u308B\u304B\u3082\uFF1F\u2665\u30CF\u30FC\u30C8\u304C\u3044\u3063\u3071\u3044\u306E\u30CD\u30A4\u30EB\u3067\u5973\u5EA6\u3092\u30A2\u30B2\u3061\u3083\u304A\u3046\uFF01"^^<http://www.w3.org/2001/XMLSchema#string>
<http://itnail.jp/articles/zRaCy>