_:b668272357	<http://www.w3.org/2007/05/powder-s#describedby>	<https://covidontheweb.inria.fr:4443/about/id/https/www.icomindy.com/a-place-of-silence/> .
_:b668272357	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/12/cal/ical#input> .