<https://mokosh.com.au/blogs/blog/vegan-ethics-and-bee-products-an-issue-more-complex-than-it-first-appears>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://mokosh.com.au/blogs/blog/vegan-ethics-and-bee-products-an-issue-more-complex-than-it-first-appears>