<https://secure.gravatar.com/avatar/3c81d6fc7b1f220892b8b8380733bcb2?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://genta.vn/nep-goc-op-gach/nep-op-goc-det/nep-inox-bo-canh/s-g512>