@prefix data: . @prefix : . @prefix xsd: . data:c86e4f07-4852-3d8e-8075-7f7cef7ab20e :endDate "2023-04-23"^^xsd:date ; :endTime "13:00:00"^^xsd:time ; :startDate "2023-04-23"^^xsd:date ; :startTime "08:30:00"^^xsd:time ; a :Period . :takesPlaceAt data:c86e4f07-4852-3d8e-8075-7f7cef7ab20e .