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Changes for page 1 Introduction

Last modified by Helena on 2025/09/10 11:19
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edited by Helena
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To version 5.2
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2 2  {{toc/}}
3 3  {{/box}}
4 4  
5 -This document is not normative but provides a detailed view of the information model on which the normative [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] specifications are based. Those new to the UML notation or to the (% style="color:#e74c3c" %)concept(%%) of [[Data Structure Definitions>>doc:sdmx:Glossary.Data structure definition.WebHome]] may wish to read the appendixes in this document as an introductory exercise.
5 +This document is not normative but provides a detailed view of the information model on which the normative [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] specifications are based. Those new to the UML notation or to the concept of [[Data Structure Definitions>>doc:sdmx:Glossary.Data structure definition.WebHome]] may wish to read the appendixes in this document as an introductory exercise.
6 6  
7 7  == 1.1 Related Documents ==
8 8  
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19 19  
20 20  UML diagramming allows a class to be shown with or without the compartments for one or both of [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] and operations (sometimes called methods). In this document the operations compartment is not shown as there are no operations.
21 21  
22 +[[image:1749563229253-391.png]]
23 +
22 22  **Figure 1 Class with operations suppressed**
23 23  
24 24  In some diagrams for some classes the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] compartment is suppressed even though there may be some [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]]. This is deliberate and is done to aid clarity of the diagram. The method used is:
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26 26  * The [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] will always be present on the class diagram where the class is defined and its [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] and associations are defined.
27 27  * On other diagrams, such as inheritance diagrams, the [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] may be suppressed from the class for clarity.
28 28  
31 +[[image:1749563243362-354.png]]
32 +
29 29  **Figure 2 Class with [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] also suppressed**
30 30  
31 31  Note that, in any case, [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] inherited from a super class are not shown in the sub class.
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68 68  
69 69  === 1.3.2 Version 1.0 ===
70 70  
71 -In (% style="color:#e74c3c" %)version(%%) 1.0 the metamodel supported the requirements for:
75 +In version 1.0 the metamodel supported the requirements for:
72 72  
73 73  [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] including (domain) [[category scheme>>doc:sdmx:Glossary.Category scheme.WebHome]], (metadata) [[concept scheme>>doc:sdmx:Glossary.Concept scheme.WebHome]], and [[code>>doc:sdmx:Glossary.Code.WebHome]] list
74 74  
75 75  Data and related metadata reporting and dissemination
76 76  
77 -The [[SDMX-IM>>doc:sdmx:Glossary.SDMX Information Model.WebHome]] comprises a number of packages. These packages act as convenient compartments for the various sub models in the [[SDMX-IM>>doc:sdmx:Glossary.SDMX Information Model.WebHome]]. The diagram below shows the sub models of the [[SDMX-IM>>doc:sdmx:Glossary.SDMX Information Model.WebHome]] that were included in the (% style="color:#e74c3c" %)version(%%) 1.0 specification.
81 +The [[SDMX-IM>>doc:sdmx:Glossary.SDMX Information Model.WebHome]] comprises a number of packages. These packages act as convenient compartments for the various sub models in the [[SDMX-IM>>doc:sdmx:Glossary.SDMX Information Model.WebHome]]. The diagram below shows the sub models of the [[SDMX-IM>>doc:sdmx:Glossary.SDMX Information Model.WebHome]] that were included in the version 1.0 specification.
78 78  
79 79  [[image:1749245986724-174.png]]
80 80  
81 -**Figure 3: [[SDMX Information Model>>doc:sdmx:Glossary.SDMX Information Model.WebHome]] (% style="color:#e74c3c" %)Version(%%) 1.0 package structure**
85 +**Figure 3: SDMX Information Model Version 1.0 package structure**
82 82  
83 83  === 1.3.3 Version 2.0/2.1 ===
84 84  
85 -The (% style="color:#e74c3c" %)version(%%) 2.0/2.1 model extends the functionality of (% style="color:#e74c3c" %)version(%%) 1.0. principally in the area of metadata, but also in various ways to define structures to support data analysis by systems with knowledge of cube type structures such as OLAP{{footnote}}OLAP: On line analytical processing{{/footnote}} systems. The following major constructs have been added at (% style="color:#e74c3c" %)version(%%) 2.0/2.1
89 +The version 2.0/2.1 model extends the functionality of version 1.0. principally in the area of metadata, but also in various ways to define structures to support data analysis by systems with knowledge of cube type structures such as OLAP{{footnote}}OLAP: On line analytical processing{{/footnote}} systems. The following major constructs have been added at version 2.0/2.1
86 86  
87 87  Metadata structure definition
88 88  Metadata set
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97 97  
98 98  [[image:1749245986730-349.jpeg]]
99 99  
100 -**Figure 4 [[SDMX Information Model>>doc:sdmx:Glossary.SDMX Information Model.WebHome]] (% style="color:#e74c3c" %)Version(%%) 2.0/2.1 package structure**
104 +**Figure 4 SDMX Information Model Version 2.0/2.1 package structure**
101 101  
102 102  Additional constructs that are specific to a registry-based scenario can be found in the Specification of Registry Interfaces. For information these are shown on the diagram below and comprise:
103 103  
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113 113  
114 114  === 1.3.4 Version 3.0 ===
115 115  
116 -The (% style="color:#e74c3c" %)version(%%) 3.0 model introduces changes in the way [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] are handled. In addition, it includes a few more [[artefacts>>doc:sdmx:Glossary.Artefact.WebHome]]. Finally, a few abstractions have been added, as shown in section “Basic Inheritance” in “Figure 11: Basic Inheritance from the Base Structures”.
120 +The version 3.0 model introduces changes in the way [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] are handled. In addition, it includes a few more [[artefacts>>doc:sdmx:Glossary.Artefact.WebHome]]. Finally, a few abstractions have been added, as shown in section “Basic Inheritance” in “Figure 11: Basic Inheritance from the Base Structures”.
117 117  
118 118  The IM packages are largely the same.
119 119  
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123 123  
124 124  === 1.3.5 Version 3.1 ===
125 125  
126 -Whilst some additional properties have been added to [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]], [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]], Data (% style="color:#e74c3c" %)Constraint(%%), [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] v3.1 does not change the high (% style="color:#e74c3c" %)level(%%) information model, it remains as it is in Figure 6.
130 +Whilst some additional properties have been added to [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]], [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]], Data (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%), [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] v3.1 does not change the high level information model, it remains as it is in Figure 6.
127 127  
128 128  ----
129 129  
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