<http://www.addsistemas.com/web/2016/07/18/ask-good-questions-and-get-better-answers/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://www.addsistemas.com/web/2016/07/18/ask-good-questions-and-get-better-answers/>