<https://charming-lab.com/archives/tag/%e9%ab%94%e6%af%9b%e8%99%95%e7%90%86#listItem>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://charming-lab.com/archives/tag/%E9%AB%94%E6%AF%9B%E8%99%95%E7%90%86>