<http://schema.org/description>
"ZFSv28\u304CFreeBSD 8-STABLE\u3078\u30DE\u30FC\u30B8\u3055\u308C\u307E\u3057\u305F\u3002"^^<http://www.w3.org/2001/XMLSchema#string>
<http://gihyo.jp/admin/clip/01/fdt/201106/1602>