<https://blog.myfxlogger.com/2021/11/%e9%9a%8f%e6%99%82%e6%9b%b4%e6%96%b0-myfxlogger%e3%81%aeea%e4%b8%80%e8%a6%a7/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.myfxlogger.com/2021/11/%E9%9A%8F%E6%99%82%E6%9B%B4%E6%96%B0-myfxlogger%E3%81%AEea%E4%B8%80%E8%A6%A7/>