_:b2556257	<http://www.w3.org/2007/05/powder-s#describedby>	<http://localhost:8890/about/id/http/www.sdi4apps.eu/poi/> .
_:b2556257	<http://www.w3.org/2006/http#elementName>	"Thu, 16 Jan 2020 13:26:03 GMT" .
_:b2556257	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#HeaderElement> .