<https://www.aceforums.net/threads/xp1k-doors-on-ace.1331/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/DiscussionForumPosting>
<https://www.aceforums.net/threads/xp1k-doors-on-ace.1331/>