Changes for page SDMX 3.1 Standards. Section 1. Framework

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  [[SDMX>>doc:sdmx:Glossary 2\.1.Statistical data and metadata exchange.WebHome]] allows for the publication of statistical data (and the related [[structural metadata>>doc:sdmx:Glossary 2\.1.Structural metadata.WebHome]]) but also provided for the standard, systematic [[representation>>doc:sdmx:Glossary 2\.1.Representation.WebHome]] of [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]]. In (% style="color:#e74c3c" %)version(%%) 2.1, [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]] were reported independent of the statistical data.
--However, in 3.0 [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]] associated directly with data such as footnotes are reported as [[attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] of the [[data set>>doc:sdmx:Glossary 2\.1.Data set.WebHome]]. For other [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]], principally that linked to structures like “(% style="color:#e74c3c" %)concepts(%%)”, [[SDMX>>doc:sdmx:Glossary 2\.1.Statistical data and metadata exchange.WebHome]] provides reference "[[metadata sets>>doc:sdmx:Glossary 2\.1.Metadata set.WebHome]]", "[[metadata structure definitions>>doc:sdmx:Glossary 2\.1.Metadata structure definition.WebHome]]", and "[[metadata flows>>doc:sdmx:Glossary 2\.1.Metadataflow.WebHome]]". These objects are very similar to [[data sets>>doc:sdmx:Glossary 2\.1.Data set.WebHome]], [[data structure definitions>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]], and [[data flows>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]], but concern [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]] rather than statistical observations. In the same way that [[data providers>>doc:sdmx:Glossary 2\.1.Data provider.WebHome]] may publish statistical data, they may also publish [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]]. Metadata structural definitions are maintained by agencies in a fashion similar to the way that agencies maintain [[data structure definitions>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]], the structural definitions of [[data sets>>doc:sdmx:Glossary 2\.1.Data set.WebHome]].
++However, in 3.0 [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]] associated directly with data such as footnotes are reported as [[attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] of the [[data set>>doc:sdmx:Glossary 2\.1.Data set.WebHome]]. For other [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]], principally that linked to structures like “[[concepts>>doc:sdmx:Glossary 2\.1.Concept.WebHome]]”, [[SDMX>>doc:sdmx:Glossary 2\.1.Statistical data and metadata exchange.WebHome]] provides reference "[[metadata sets>>doc:sdmx:Glossary 2\.1.Metadata set.WebHome]]", "[[metadata structure definitions>>doc:sdmx:Glossary 2\.1.Metadata structure definition.WebHome]]", and "[[metadata flows>>doc:sdmx:Glossary 2\.1.Metadataflow.WebHome]]". These objects are very similar to [[data sets>>doc:sdmx:Glossary 2\.1.Data set.WebHome]], [[data structure definitions>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]], and [[data flows>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]], but concern [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]] rather than statistical observations. In the same way that [[data providers>>doc:sdmx:Glossary 2\.1.Data provider.WebHome]] may publish statistical data, they may also publish [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]]. Metadata structural definitions are maintained by agencies in a fashion similar to the way that agencies maintain [[data structure definitions>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]], the structural definitions of [[data sets>>doc:sdmx:Glossary 2\.1.Data set.WebHome]].
--The structural definitions of both data and [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]] associate specific statistical (% style="color:#e74c3c" %)concepts(%%) with their [[representations>>doc:sdmx:Glossary 2\.1.Representation.WebHome]], whether textual, coded, etc. These (% style="color:#e74c3c" %)concepts(%%) are taken from a "[[concept scheme>>doc:sdmx:Glossary 2\.1.Concept scheme.WebHome]]" which is maintained by a specific agency. [[Concept schemes>>doc:sdmx:Glossary 2\.1.Concept scheme.WebHome]] group a set of (% style="color:#e74c3c" %)concepts(%%), provide their definitions and names, and allow for semantic relationships to be expressed, when some (% style="color:#e74c3c" %)concepts(%%) are specializations of others. It is possible for a single [[concept scheme>>doc:sdmx:Glossary 2\.1.Concept scheme.WebHome]] to be used both for data structures - key families - and for [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]] structures.
++The structural definitions of both data and [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]] associate specific statistical [[concepts>>doc:sdmx:Glossary 2\.1.Concept.WebHome]] with their [[representations>>doc:sdmx:Glossary 2\.1.Representation.WebHome]], whether textual, coded, etc. These [[concepts>>doc:sdmx:Glossary 2\.1.Concept.WebHome]] are taken from a "[[concept scheme>>doc:sdmx:Glossary 2\.1.Concept scheme.WebHome]]" which is maintained by a specific agency. [[Concept schemes>>doc:sdmx:Glossary 2\.1.Concept scheme.WebHome]] group a set of [[concepts>>doc:sdmx:Glossary 2\.1.Concept.WebHome]], provide their definitions and names, and allow for semantic relationships to be expressed, when some [[concepts>>doc:sdmx:Glossary 2\.1.Concept.WebHome]] are specializations of others. It is possible for a single [[concept scheme>>doc:sdmx:Glossary 2\.1.Concept scheme.WebHome]] to be used both for data structures - key families - and for [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]] structures.
  Inherent in any statistical exchange – and in many dissemination activities – is a (% style="color:#e74c3c" %)concept(%%) of "service (% style="color:#e74c3c" %)level(%%) agreement", even if this is not formalized or made explicit. [[SDMX>>doc:sdmx:Glossary 2\.1.Statistical data and metadata exchange.WebHome]] incorporates this idea in objects termed "[[provision agreements>>doc:sdmx:Glossary 2\.1.Provision agreement.WebHome]]". [[Data providers>>doc:sdmx:Glossary 2\.1.Data provider.WebHome]] may provide data to many different [[data flows>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]]. [[Data flows>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]] may incorporate data coming from more than one [[data provider>>doc:sdmx:Glossary 2\.1.Data provider.WebHome]]. [[Provision agreements>>doc:sdmx:Glossary 2\.1.Provision agreement.WebHome]] are the objects which tell you which [[data providers>>doc:sdmx:Glossary 2\.1.Data provider.WebHome]] are supplying what data to which [[data flows>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]]. Similarly, metadata [[provision agreements>>doc:sdmx:Glossary 2\.1.Provision agreement.WebHome]] for [[metadata flows>>doc:sdmx:Glossary 2\.1.Metadataflow.WebHome]].