<https://stad.gent/id/blank_node/92dbe2ea-19c6-46f4-b708-cd120623e113>
	<http://www.cidoc-crm.org/cidoc-crm/P4_has_time-span>	<https://stad.gent/id/blank_node/79fd24ca-1c01-4db8-a427-de3114dd6a17> .