<https://docs.cedcommerce.com/magento-2/shopify-to-magento-2-product-importer-user-guide/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://docs.cedcommerce.com/magento-2/shopify-to-magento-2-product-importer-user-guide/>