<https://stad.gent/id/blank_node/29c5891f-ca7b-4d24-98d4-ccc8cff877db>
	<http://www.cidoc-crm.org/cidoc-crm/P4_has_time-span>	<https://stad.gent/id/blank_node/6c48bfaa-9b2f-4a39-bcff-7e92fc0ba976> .