<http://schema.org/headline>
"\u7B2C312\u56DE\u3000\u30D1\u30C3\u30B1\u30FC\u30B8\u3068\u3088\u308A\u826F\u3044\u304A\u4ED8\u304D\u5408\u3044\u3092\u3059\u308B\u305F\u3081\u306E\u60C5\u5831\u53CE\u96C6"^^<http://www.w3.org/2001/XMLSchema#string>
<http://gihyo.jp/admin/serial/01/ubuntu-recipe/0312>