@prefix data: . @prefix : . @prefix xsd: . data:50d25a62-7ad2-3ac8-a143-2600a2f214b6 :endDate "2026-12-24"^^xsd:date ; :endTime "19:00:00"^^xsd:time ; :startDate "2026-12-19"^^xsd:date ; :startTime "15:00:00"^^xsd:time ; a :Period . :takesPlaceAt data:50d25a62-7ad2-3ac8-a143-2600a2f214b6 .