<https://blog.tp-link.pt/vantagens-de-uma-tomada-inteligente-para-controlar-o-consumo/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.tp-link.pt/vantagens-de-uma-tomada-inteligente-para-controlar-o-consumo/>