<https://secure.gravatar.com/avatar/d5099a216187f137a6de4cc2711d0164?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://maytinhquangninh.com/san-pham/laptop-tai-ha-long-dell/>