<http://schema.org/headline>
"\u7B2C420\u56DE\u3000\u30D8\u30D3\u30FC\u30E6\u30FC\u30B6\u30FC\u5411\u3051\u306EWeb\u30D6\u30E9\u30A6\u30B6\u30FC\u300CVivaldi\u300D\uFF1AUbuntu Weekly Recipe"^^<http://www.w3.org/2001/XMLSchema#string>
<http://gihyo.jp/admin/serial/01/ubuntu-recipe/0420>