<https://secure.gravatar.com/avatar/be98c0ca0dad59c616501f7d71eb4556?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.educaciontrespuntocero.com/convocatorias/nuevas-tendencias-tic/>