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Changes for page 4 Specific Item Schemes

Last modified by Artur on 2025/09/10 11:19
From version 3.8
edited by Helena
on 2025/05/20 12:13
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To version 3.6
edited by Helena
on 2025/05/20 12:09
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20 20  
21 21  === {{id name="_Toc370990"/}}4.3.1 Class Diagram ===
22 22  
23 -[[image:1747732337979-971.png]]
24 -
25 25  **Figure 15 Class diagram of the Codelist**
26 26  
27 27  === {{id name="_Toc370991"/}}4.3.2 Explanation of the Diagram ===
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74 74  
75 75  === {{id name="_Toc370993"/}}4.4.1 Class Diagram - Inheritance ===
76 76  
77 -[[image:1747732287949-594.png]]
78 -
79 79  **Figure 16 Class diagram of the Concept Scheme**
80 80  
81 81  === {{id name="_Toc370994"/}}4.4.2 Explanation of the Diagram ===
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111 111  
112 112  === {{id name="_Toc370995"/}}4.4.3 Class Diagram - Relationship ===
113 113  
114 -[[image:1747732242162-856.png]]
115 115  
116 116  **Figure 17: Relationship class diagram of the Concept Scheme**
117 117  
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119 119  
120 120  ==== 4.4.4.1 Narrative ====
121 121  
122 -The ConceptScheme can have one or more Concepts. A Concept can have zero or more child Concepts, thus supporting a hierarchy of Concepts. Note that a child Concept can have only one parent Concept in this association. The purpose of the hierarchy is to relate concepts that have a semantic relationship: for example a Reporting_Country and Vis_a_Vis_Country may both have Country as a parent concept, or a CONTACT may have a PRIMARY_CONTACT as a child concept. It is not the purpose of such schemes to define reporting structures: these reporting structures are defined in the MetadataStructureDefinition.
117 +The ConceptScheme can have one or more Concepts. A Concept can have zero or more child Concepts, thus supporting a hierarchy of Concepts. Note that a child Concept can have only one parent Concept in this association. The purpose of the hierarchy is to relate concepts that have a semantic relationship: for example a Reporting_Country and Vis_a_Vis_Country may both have Country as a parent concept, or a CONTACT may have a PRIMARY_CONTACT as a child concept. It is not the purpose of such schemes to define reporting structures: these reporting structures are defined in the
123 123  
124 -The Concept can be associated with a coreRepresentation. The coreRepresentation isthe specification of the format and value domain of the Concept when used on a structure like a DataStructureDefinition or a MetadataStructureDefinition, unless the specification of the Representation is overridden in the relevant structure definition. In a hierarchical ConceptScheme the Representation is inherited from the parent Concept unless overridden at the level of the child Concept.
119 +MetadataStructureDefinition.
125 125  
121 +The Concept can be associated with a coreRepresentation. The coreRepresentation isthe specification of the format and value domain of the Concept when used on a structure like a DataStructureDefinition or a
122 +
123 +MetadataStructureDefinition, unless the specification of the Representation is overridden in the relevant structure definition. In a hierarchical ConceptScheme the Representation is inherited from the parent Concept unless overridden at the level of the child Concept.
124 +
126 126  Note that the ConceptScheme is used as the Representation of the MeasureDimension in a DataStructureDefinition (see 5.3.2). Each Concept in this ConceptScheme is a specific measure, each of which can be given a coreRepresentation. Thus the valid format of the observation for each measure when reported in a data set for the MeasureDimension is specified in the Concept. This allows a different format for each measure. This is covered in more detail in 5.3.
127 127  
128 128  The Representation is documented in more detail in the section on the SDMX Base.
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