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The da|ra metadata schema is a list of core metadata properties chosen for the identification of digital objects and retrieval purposes. The main new features in this version are expanded controlled vocabularies for contributor type, relation type and collection mode as well as a better indication for recommended elements. For all metadata properties the respective names, definitions, attributes, conditions, cardinality (maximum occurrence) as well as value domains are defined. Some properties comply with ISO norms. Controlled vocabularies such as thesauri and classifications are applicable. These vocabularies are complemented by da|ra controlled terms. Although da|ra complies with the official DataCite Metadata Schema, it has broadened the DataCite metadata by adding some specific properties related to the social sciences and economics. |
