<https://secure.gravatar.com/avatar/f93bab9a163faacac0eecc150bec8c23?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.wibmachines.eu/mercados/smart-lockers-para-hoteles/>