<https://dev.to/truemark/beginner-s-guide-to-rubocop-in-rails-3mj6>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://practicaldev-herokuapp-com.global.ssl.fastly.net/truemark/beginner-s-guide-to-rubocop-in-rails-3mj6>