Statistical Data and Metadata Exchange - SDMX
The SDMX Metadata Common Vocabulary contains concepts and related definitions to which terminology used in structural and reference metadata of international organisations and national data producing agencies may be mapped. The content includes a selected range of metadata concepts: (1) General metadata concepts, mostly derived from ISO, UNECE and UN documents, useful for providing a general context to metadata management; (2) Metadata terms describing statistical methodologies (frequency, reference period, data collection, source, adjustment, etc.); (3) Metadata for assessing quality (accuracy, timeliness, etc.), and (4) Terms referring specifically to data and metadata exchange (terminology from the SDMX information model and from existing data structure definitions, etc.).
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