<https://fupo.tw/blog/category/%e4%b8%80%e6%97%a5%e9%81%8a%e8%a1%8c%e7%a8%8b%e6%94%bb%e7%95%a5/%e7%8e%a9%e6%b0%b4%e6%99%af%e9%bb%9e>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://fupo.tw/blog/post/lakeshore>