_:nbf959a52fa1f4244a9cd2d0fb1ddc113xb2
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/InteractionCounter>
<https://www.electro-tech-online.com/threads/a-riddle-about-an-electronic-door-lock.164676/page-3>