<http://schema.org/headline>
"\u77E5\u3063\u3066\u308B\u3088\u3046\u3067\u77E5\u3089\u306A\u3044\uFF01\uFF1F\u65E5\u5E38\u751F\u6D3B\u306B\u6D3B\u304B\u3059\u5E72\u652F\u5360\u3044 ( \u4E11\u5E74  \u76F8\u6027\u7DE8 )"^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/17340>