_:nd4dda390cad84aae98754c6dc641a386xb19
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.ulifestyle.com.hk/article/vklwksxwr01/4179293/%E3%82%B3%E3%83%BC%E3%83%81%E3%83%95%E3%83%AD%E3%83%BC%E3%83%A9%E3%83%AB%E8%B2%A1%E5%B8%83>