<https://www.cambridgecap.com/blog/cambridge-and-nic-a-fruitful-courtship-since-1992/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.cambridgecap.com/blog/cambridge-and-nic-a-fruitful-courtship-since-1992/>