<https://flowchart.chartexamples.com/#/schema/person/5e9dd5b4ea7535f4b1e960e31cfafbf5>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://flowchart.chartexamples.com/how-to-make-a-chart-paper-flower/>