<http://schema.org/headline>
"\u30B3\u30F3\u30D7\u30EC\u30C3\u30AF\u30B9\u3092\u9B45\u529B\u306B\u5909\u3048\u308B\uFF01\uFF1F\u30AA\u30D5\u30B7\u30E7\u30EB\u30C0\u30FC\u306E\u9078\u3073\u65B9"^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/21723>