<https://secure.gravatar.com/avatar/c6451e330befd81047bc6950f4591063?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.hostdime.com.co/costo-funcionamiento-centro-datos-tradicional/>