<https://www.domino-printing.com/nl/blog/2016/coding-and-product-identification-is-changing-for-the-better>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.domino-printing.com/nl/blog/2016/coding-and-product-identification-is-changing-for-the-better>