<http://schema.org/headline>
"\u7B2C4\u56DE\u3000\u5E73\u9762\u8D70\u67FB\u6CD5\u306B\u3088\u308B\u7DDA\u5206\u306E\u4EA4\u5DEE\u691C\u51FA\uFF08\u4E2D\u7DE8\uFF09"^^<http://www.w3.org/2001/XMLSchema#string>
<http://gihyo.jp/dev/serial/01/geometry/0004>