<https://cobaco-hp.com/etc/5%e6%9c%88%e3%81%aeworkshop%e7%b5%82%e4%ba%86%e3%81%97%e3%81%be%e3%81%97%e3%81%9f/#item>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://cobaco-hp.com/etc/5%E6%9C%88%E3%81%AEworkshop%E7%B5%82%E4%BA%86%E3%81%97%E3%81%BE%E3%81%97%E3%81%9F/>