<http://1.gravatar.com/avatar/48c27e1b1d87cb1529ee0559121c7127?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://3onedatavietnam.com.vn/san-pham/ies3020g-4gs-switch-cong-nghiep/>