<https://avandeconnect.com/blogs/news/retrofit-the-fuss-free-cost-neutral-future-of-the-smart-home-1>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://avandeconnect.com/blogs/news/retrofit-the-fuss-free-cost-neutral-future-of-the-smart-home-1>