<http://schema.org/headline>
"\u3046\u307E\u304F\u6D3B\u7528\u305B\u3088\uFF01\u7537\u30A6\u30B1\u3059\u308B\u300C\u732B\u304B\u3076\u308A\u300D\u3068\u30A6\u30B1\u306A\u3044\u300C\u732B\u304B\u3076\u308A\u300D"^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/20836>