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Changes for page 3 SDMX Base Package

Last modified by Helena on 2025/09/10 11:19
From version 8.1
edited by Helena
on 2025/05/20 00:30
Change comment: There is no comment for this version
To version 12.2
edited by Artur
on 2025/05/20 14:28
Change comment: Update document after refactoring.

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1 +Methodology.SDMX 2\.1 Standards\. Section 2\. Information model\: UML conceptual design.WebHome
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1 -xwiki:XWiki.helena
1 +xwiki:XWiki.arturkryazhev
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113 113  
114 114  === {{id name="_Toc370976"/}}3.4.1 Class Diagram ===
115 115  
116 +[[image:1747690333052-506.png]]
117 +
116 116  **Figure 11: Class Diagram of Basic Data Types**
117 117  
118 118  === {{id name="_Toc370977"/}}3.4.2 Explanation of the Diagram ===
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162 162  (% class="wikigeneratedid" id="HFigure12TheItemSchemePattern" %)
163 163  **Figure 12 The Item Scheme Pattern**
164 164  
165 -===== {{id name="_Toc370981"/}}3.5.3 Explanation of the Diagram =====
167 +=== {{id name="_Toc370981"/}}3.5.3 Explanation of the Diagram ===
166 166  
167 167  ==== 3.5.3.1 Narrative ====
168 168  
169 169  The //ItemScheme// is an abstract class which defines a set of //Item// (this class is also abstract). Its main purpose is to define a mechanism which can be used to create taxonomies which can classify other parts of the SDMX Information Model. It inherits from //MaintainableArtefact// which gives it the ability to be annotated, have identity, naming, versioning and be associated with an Agency. An example of a concrete class is a CategoryScheme. The associated Category are //Items//.
170 170  
171 -In an exchange environment an ItemScheme is allowed to contain a sub-set of the Items in the maintained //ItemScheme//. If such an //ItemScheme// is disseminated with a sub-set of the Items then the fact that this is a sub-set is denoted by setting the isPartial attribute to
173 +In an exchange environment an ItemScheme is allowed to contain a sub-set of the Items in the maintained //ItemScheme//. If such an //ItemScheme// is disseminated with a sub-set of the Items then the fact that this is a sub-set is denoted by setting the isPartial attribute to “true”.
172 172  
173 -“true”.
174 -
175 175  A “partial” //ItemScheme// cannot be maintained independently in its partial form i.e. it cannot contain //Item//s that are not present in the full //ItemScheme// and the content of any one //Item //(e.g. names and descriptions) cannot deviate from the content in the full //ItemScheme//.
176 176  
177 177  Furthermore, the Id of the //ItemScheme// where isPartial is set to “true” is the same as the Id of the full //ItemScheme// (maintenance agency, id, version). This is important as this is the Id that that is referenced in other structures (e.g. a Codelist referenced in a DSD) and this Id is always the same, regardless of whether the disseminated //ItemScheme// is the full //ItemScheme// or a partial //ItemScheme//.
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257 257  
258 258  __GroupDimensionDescriptor__: Dimension, Measure Dimension, Time Dimension
259 259  
260 -MeasureDescriptor: PrimaryMeasure
260 +__MeasureDescriptor__: PrimaryMeasure
261 261  
262 262  __AttributeDescriptor:__ Data Attribute
263 263  
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