<http://schema.org/headline>
"\u7B2C8\u56DE\u3000Perl\u306B\u3088\u308B\u5927\u898F\u6A21\u30B7\u30B9\u30C6\u30E0\u958B\u767A\u30FB\u8A2D\u8A08\u306E\u30C4\u30DC\uFF083\uFF09\uFF1APerl Hackers Hub"^^<http://www.w3.org/2001/XMLSchema#string>
<http://gihyo.jp/dev/serial/01/perl-hackers-hub/000803>