<https://www.computerweekly.com/microscope/news/252513436/Crayon-and-RM-share-solid-numbers>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.computerweekly.com/microscope/news/252513436/Crayon-and-RM-share-solid-numbers>