<https://secure.gravatar.com/avatar/8cfb8c43c7a52208a754bc75017c7b0c?s=96&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://synologyvietnam.vn/chi-tiet-ban-cap-nhat-dsm-6-2-2-cho-nas-synology/>