<https://secure.gravatar.com/avatar/b5b5a18f1cfa129d09d95634261d4934?s=96&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://thechrisvossshow.com/x4-foundations-by-egosoft-game-developer-interview/>