@prefix data: . @prefix : . @prefix xsd: . data:c0e3fb10-63cd-3bab-bdea-893e83d8f7a0 :endDate "2029-12-12"^^xsd:date ; :startDate "2029-12-12"^^xsd:date ; a :Period . :takesPlaceAt data:c0e3fb10-63cd-3bab-bdea-893e83d8f7a0 .