<http://schema.org/description>
"\u4F01\u696D\u6D3B\u52D5\u306E\u4E2D\u3067\uFF0C\u3082\u306F\u3084IT\u306F\u5FC5\u8981\u4E0D\u53EF\u6B20\u3068\u8A00\u3063\u3066\u3082\u3088\u3044\u3067\u3057\u3087\u3046\u3002"^^<http://www.w3.org/2001/XMLSchema#string>
<http://gihyo.jp/book/pickup/2010/0021>