Schiavo negro incatenato https://w3id.org/italia/lombardia/data/concept/79f41880790781835bac541b2d64b398 <https://w3id.org/arco/ontology/core/Concept> rdfs:label Schiavo negro incatenato <https://w3id.org/italia/onto/l0/name> Schiavo negro incatenato rdf:type <https://w3id.org/arco/ontology/core/Concept> data from the linked data cloud