<https://jcomet.com/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://jcomet.com/raspberry-pi-pico%E2%91%A2%E3%82%A2%E3%83%8A%E3%83%AD%E3%82%B0%E5%85%A5%E5%87%BA%E5%8A%9B%E3%82%92%E3%82%84%E3%81%A3%E3%81%A6%E3%81%BF%E3%82%8B/540/>