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Changes for page 1 Introduction

Last modified by Helena on 2025/09/10 11:19
From version 2.2
edited by Helena
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To version 3.2
edited by Helena
on 2025/06/08 14:41
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5 5  This document is not normative but provides a detailed view of the information model on which the normative SDMX specifications are based. Those new to the UML notation or to the concept of Data Structure Definitions may wish to read the appendixes in this document as an introductory exercise.
6 6  
7 -=== 1.1 Related Documents ===
7 +== 1.1 Related Documents ==
8 8  
9 9  This document is one of two documents concerned with the SDMX Information Model. The complete set of documents is:
10 10  
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11 11  * SDMX SECTION 02 INFORMATION MODEL: UML CONCEPTUAL DESIGN (this document): This document comprises the complete definition of the information model, with the exception of the registry interfaces. It is intended for technicians wishing to understand the complete scope of the SDMX technical standards in a syntax neutral form.
12 12  * SDMX SECTION 05 REGISTRY SPECIFICATION: LOGICAL INTERFACES: This document provides the logical specification for the registry interfaces, including subscription/notification, registration/submission of data and metadata, and querying.
13 13  
14 -=== 1.2 Modelling Technique and Diagrammatic Notes ===
14 +== 1.2 Modelling Technique and Diagrammatic Notes ==
15 15  
16 16  The modelling technique used for the SDMX Information Model (SDMX-IM) is the Unified
17 17  
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50 50  
51 51  The Description column provides a short definition or explanation of the Class or Feature. UML class names may be used in the description and if so, they are presented in normal font with spaces between words. For example, the class ConceptScheme will be written as Concept Scheme.
52 52  
53 -=== 1.3 Overall Functionality ===
53 +== 1.3 Overall Functionality ==
54 54  
55 -==== 1.3.1 Information Model Packages ====
55 +=== 1.3.1 Information Model Packages ===
56 56  
57 57  The SDMX Information Model (SDMX-IM) is a conceptual metamodel from which syntax specific implementations are developed. The model is constructed as a set of functional packages which assist in the understanding, re-use and maintenance of the model.
58 58  
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66 66  
67 67  In reality the layers have no implicit or explicit structural function as any package can make use of any construct in another package.
68 68  
69 -==== 1.3.2 Version 1.0 ====
69 +=== 1.3.2 Version 1.0 ===
70 70  
71 71  In version 1.0 the metamodel supported the requirements for:
72 72  
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80 80  
81 81  **Figure 3: SDMX Information Model Version 1.0 package structure**
82 82  
83 -==== 1.3.3 Version 2.0/2.1 ====
83 +=== 1.3.3 Version 2.0/2.1 ===
84 84  
85 -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[[(% class="wikiinternallink wikiinternallink" %)^^~[1~]^^>>path:#_ftn1]](%%) systems. The following major constructs have been added at version 2.0/2.1
85 +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  
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118 118  
119 119  **Figure 5: SDMX Information Model Version 2.0/2.1 package structure including the registry**
120 120  
121 -==== 1.3.4 Version 3.0 ====
121 +=== 1.3.4 Version 3.0 ===
122 122  
123 123  The version 3.0 model introduces changes in the way reference metadata are handled. In addition, it includes a few more artefacts. Finally, a few abstractions have been added, as shown in section “Basic Inheritance” in “Figure 11: Basic Inheritance from the Base Structures”.
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128 128  
129 129  **Figure 6: SDMX Information Model version 3.0 package structure**
130 130  
131 -==== 1.3.5 Version 3.1 ====
131 +=== 1.3.5 Version 3.1 ===
132 132  
133 133  Whilst some additional properties have been added to Dataflow, DSD, Data Constraint, SDMX v3.1 does not change the high level information model, it remains as it is in Figure 6.
134 134  
135 -
136 136  ----
137 137  
138 -[[~[1~]>>path:#_ftnref1]] OLAP: On line analytical processing
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138 +{{putFootnotes/}}