<https://www.coffeeforums.com/threads/help-please-keurig-2-0-technical-question.19947/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.coffeeforums.com/threads/help-please-keurig-2-0-technical-question.19947/#post-113927>