<https://t-gotanda.com/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://t-gotanda.com/%E3%82%B5%E3%83%83%E3%82%AB%E3%83%BC%E3%83%AF%E3%83%BC%E3%83%AB%E3%83%89%E3%82%AB%E3%83%83%E3%83%97%E9%96%8B%E5%B9%95/>