<http://www.reddit.com/r/webdev/comments/2gypch/is_schemaorg_still_a_thing/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/DiscussionForumPosting>
<https://forum.edugorilla.com/forums/topic/%E0%A4%A8%E0%A4%BF%E0%A4%B0%E0%A5%8D%E0%A4%A6%E0%A5%87%E0%A4%B6-%E0%A4%A8%E0%A4%BF%E0%A4%AE%E0%A5%8D%E0%A4%A8%E0%A4%B2%E0%A4%BF%E0%A4%96%E0%A4%BF%E0%A4%A4-%E0%A4%97%E0%A4%A6%E0%A5%8D%E0%A4%AF-65/>