<https://sofree.cc/tag/%e6%89%8b%e6%a9%9f%e9%9b%99%e8%9e%a2%e5%b9%95/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://sofree.cc/tag/%E6%89%8B%E6%A9%9F%E9%9B%99%E8%9E%A2%E5%B9%95/>