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Last modified by Helena K. on 2026/06/08 17:06
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edited by Helena K.
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4 4  
5 5  == 7.1 Context ==
6 6  
7 -Besides the possibility to extend the [[components>>doc:Glossary.Component.WebHome]] of [[Data Structure Definitions>>doc:Glossary.Data structure definition.WebHome]] by metadata [[attributes>>doc:Glossary.Attribute.WebHome]] defined in [[Metadata Structure Definitions>>doc:Glossary.Metadata structure definition.WebHome]], the [[SDMX>>doc:Glossary.Statistical data and metadata exchange.WebHome]] metamodel allows metadata to describe any [[identifiable artefact>>doc:Glossary.Identifiable artefact.WebHome]]. These metadata can be:
7 +Besides the possibility to extend the [[components>>doc:IMElements.components.WebHome]] of [[Data Structure Definitions>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] by [[metadata>>doc:IMElements.metadata.WebHome]] [[attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] defined in [[Metadata Structure Definitions>>doc:sdmx:Glossary 2\.1.Metadata structure definition.WebHome]], the [[SDMX>>doc:sdmx:Glossary 2\.1.Statistical data and metadata exchange.WebHome]] metamodel allows [[metadata>>doc:IMElements.metadata.WebHome]] to describe any [[identifiable artefact>>doc:sdmx:Glossary 2\.1.Identifiable artefact.WebHome]]. These [[metadata>>doc:IMElements.metadata.WebHome]] can be:
8 8  
9 9  1. Exchanged without the need to embed it within the object that it is describing.
10 -1. Stored separately from the object that it describes, yet be linked to it (for example, an organisation has a [[metadata repository>>doc:Glossary.Metadata repository.WebHome]] which supports the dissemination of metadata resulting from metadata requests generated by systems or services that have access to the object for which the metadata pertains. This is common in web dissemination where additional metadata is available for viewing (and eventually downloading) by clicking on an “information” icon next to the object to which the metadata is attached).
11 -1. Versioned and maintained like [[structural metadata>>doc:Glossary.Structural metadata.WebHome]], but from Metadata Providers than Agencies.
12 -1. Reported according to a defined structure.
10 +1. Stored separately from the object that it describes, yet be linked to it (for example, an organisation has a [[metadata repository>>doc:sdmx:Glossary 2\.1.Metadata repository.WebHome]] which supports the dissemination of [[metadata>>doc:IMElements.metadata.WebHome]] resulting from [[metadata>>doc:IMElements.metadata.WebHome]] requests generated by systems or services that have access to the object for which the [[metadata>>doc:IMElements.metadata.WebHome]] pertains. This is common in web dissemination where additional [[metadata>>doc:IMElements.metadata.WebHome]] is available for viewing (and eventually downloading) by clicking on an “information” icon next to the object to which the [[metadata>>doc:IMElements.metadata.WebHome]] is attached).
11 +1. Versioned and maintained like [[structural metadata>>doc:sdmx:Glossary 2\.1.Structural metadata.WebHome]], but from Metadata Providers than Agencies.
12 +1. Reported according to a defined [[structure>>doc:IMElements.structure.WebHome]].
13 13  
14 14  In order to achieve this, the following structures are modelled:
15 15  
16 -* The [[Metadata Structure Definition>>doc:Glossary.Metadata structure definition.WebHome]] which comprises the metadata [[attributes>>doc:Glossary.Attribute.WebHome]] that can be attached to the various object types (these [[attributes>>doc:Glossary.Attribute.WebHome]] can be structured in a [[hierarchy>>doc:Glossary.Hierarchy.WebHome]]), together with any (% style="color:#e74c3c" %)[[constraints>>doc:Glossary.Constraint.WebHome]](%%) that may apply (e.g., association to a [[code list>>doc:Glossary.Code list.WebHome]] that contains valid values for the [[attribute>>doc:Glossary.Attribute.WebHome]] when reported in a [[metadata set>>doc:Glossary.Metadata set.WebHome]]),
17 -* The [[Metadataflow>>doc:Glossary.Metadataflow.WebHome]] and/or Metadata [[Provision Agreement>>doc:Glossary.Provision agreement.WebHome]], which contains the objects to which the metadata are to be associated (attached),
18 -* The [[Metadata Set>>doc:Glossary.Metadata set.WebHome]], which contains reported metadata.
16 +* The [[Metadata Structure Definition>>doc:sdmx:Glossary 2\.1.Metadata structure definition.WebHome]] which comprises the [[metadata>>doc:IMElements.metadata.WebHome]] [[attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] that can be attached to the various object types (these [[attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] can be structured in a [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]]), together with any [[constraints>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] that may apply (e.g., association to a [[code list>>doc:sdmx:Glossary 2\.1.Code list.WebHome]] that contains valid values for the [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] when reported in a [[metadata set>>doc:sdmx:Glossary 2\.1.Metadata set.WebHome]]),
17 +* The [[Metadataflow>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.StructureUsage.Metadataflow.WebHome]] and/or Metadata [[Provision Agreement>>doc:sdmx:Glossary 2\.1.Provision agreement.WebHome]], which contains the objects to which the [[metadata>>doc:IMElements.metadata.WebHome]] are to be associated (attached),
18 +* The [[Metadata Set>>doc:sdmx:Glossary 2\.1.Metadata set.WebHome]], which contains reported [[metadata>>doc:IMElements.metadata.WebHome]].
19 19  
20 20  == 7.2 Inheritance ==
21 21  
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27 27  
28 28  === 7.2.2 Class Diagram - Inheritance ===
29 29  
30 -[[image:1749246462779-763.jpeg]]** **
31 -
32 32  [[image:image58.png]]
33 33  
34 34  **Figure 32: Inheritance class diagram of the Metadata Structure Definition**
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61 61  
62 62  === 7.3.3 Class Diagram – Relationship ===
63 63  
64 -[[image:1749246462786-944.jpeg]]
62 +[[image:image59.png]]
65 65  
66 66  **Figure 33: Relationship class diagram of the Metadata Structure Definition**
67 67  
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124 124  
125 125  === 7.4.1 Class Diagram ===
126 126  
127 -[[image:1749246462791-735.jpeg]]
125 +[[image:image60.png]]
128 128  
129 129  **Figure 34: Relationship Class Diagram of the Metadata Set**
130 130  
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