<https://latitudes.org/forums/topic/23236-question-about-a-consultation-with-dr-trifiletti/#comment-179297>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://latitudes.org/forums/topic/23236-question-about-a-consultation-with-dr-trifiletti/#comment-177542>