sec. XX first half https://w3id.org/zericatalog/date/sec-xx/first-half an entity of type: E52_Time-Span rdfs:label sec. XX first half sec. XX prima metà crm:P86_falls_within <https://w3id.org/zericatalog/date/sec-xx> rdf:type crm:E52_Time-Span data from the linked data cloud