@prefix data: . @prefix : . @prefix xsd: . data:81c648a6-a2fa-35c9-ba32-da55b7637c70 :endDate "2026-12-19"^^xsd:date ; :endTime "16:00:00"^^xsd:time ; :startDate "2026-12-19"^^xsd:date ; :startTime "10:00:00"^^xsd:time ; a :Period . :takesPlaceAt data:81c648a6-a2fa-35c9-ba32-da55b7637c70 .