<https://sbnonline.com/article/back-to-basics-use-these-turbulent-times-to-evaluate-what-you-re-doing-2/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://sbnonline.com/article/back-to-basics-use-these-turbulent-times-to-evaluate-what-you-re-doing-2/>