<https://sp.nicovideo.jp/watch/sm20783619>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://sp.nicovideo.jp/tag/%E6%9D%A5%E3%82%8B%E3%81%AA%E3%82%A2%E3%82%B0%E3%83%8D%E3%82%B9%EF%BC%81?cp_in=tag_watchTag>