<https://alachua.ja.org/blog/ja-wants-to-know-what-s-downloading-from-your-app-store>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://alachua.ja.org/news/blog/ja-wants-to-know-what-s-downloading-from-your-app-store>