<https://board.otakon.com/index.php?/topic/16183-programming-suggestions-for-2009/#comment-184646>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://board.otakon.com/index.php?/topic/16183-programming-suggestions-for-2009/&tab=comments#comment-184518>