https://dbpedia.org/sparql?query=define%20sql%3Adescribe-mode%20%22CBD%22%20%20DESCRIBE%20%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FCategory%3AForts_in_England_by_period%3E&output=application%2Fatom%2Bxml2024-03-28T13:39:03.988306ZOData Service and Descriptor Documenthttp://dbpedia.org/resource/Category:Forts_in_England_by_period2024-03-28T13:39:03.988306Z774418645Forts in England by period36015426Forts in England by period