@prefix data: . @prefix : . @prefix xsd: . data:a4cba52a-4326-3bc7-bcd9-0b2c6e08168a :endDate "2029-09-19"^^xsd:date ; :startDate "2029-09-19"^^xsd:date ; a :Period . :takesPlaceAt data:a4cba52a-4326-3bc7-bcd9-0b2c6e08168a .