<http://schema.org/category>
"Software &amp;gt; Software de computador &amp;gt; Sistemas operacionais"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.microsafe.com.br/r18-03678_software-oem-microsoft-windows-server-2012-cal-device-5-clientes-winse.npn.html?orcl=77>