Changes for page 1 Introduction

Last modified by Helena K. on 2026/06/08 15:37

From 20.1 to 20.2 From 20.3 to 21.1

From version 20.2

edited by Helena K.
on 2026/06/08 15:33

Change comment: There is no comment for this version

To version 20.3

edited by Helena K.
on 2026/06/08 15:35

Change comment: There is no comment for this version

Raw
Rendered

Summary

Page properties (1 modified, 0 added, 0 removed)

Details

Page properties

Content

@@ -2,39 +2,39 @@
  {{toc/}}
  {{/box}}
--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.
++This document is not normative but provides a detailed view of the information model on which the normative [[SDMX>>doc:sdmx:Glossary 2\.1.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 2\.1.Data structure definition.WebHome]] may wish to read the appendixes in this document as an introductory exercise.
  == 1.1 Related Documents ==
--This document is one of two documents concerned with the SDMX Information Model. The complete set of documents is:
++This document is one of two documents concerned with the [[SDMX Information Model>>doc:sdmx:Glossary 2\.1.SDMX Information Model.WebHome]]. The complete set of documents is:
--* 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.
--* 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.
++* [[SDMX>>doc:sdmx:Glossary 2\.1.Statistical data and metadata exchange.WebHome]] 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>>doc:sdmx:Glossary 2\.1.Statistical data and metadata exchange.WebHome]] technical standards in a syntax neutral form.
++* [[SDMX>>doc:sdmx:Glossary 2\.1.Statistical data and metadata exchange.WebHome]] SECTION 05 REGISTRY SPECIFICATION: LOGICAL INTERFACES: This document provides the logical specification for the registry interfaces, including [[subscription>>doc:sdmx:Glossary 2\.1.Subscription.WebHome]]/[[notification>>doc:sdmx:Glossary 2\.1.Notification.WebHome]], registration/submission of data and metadata, and querying.
  == 1.2 Modelling Technique and Diagrammatic Notes ==
--The modelling technique used for the SDMX Information Model (SDMX-IM) is the Unified
++The modelling technique used for the [[SDMX Information Model>>doc:sdmx:Glossary 2\.1.SDMX Information Model.WebHome]] ([[SDMX-IM>>doc:sdmx:Glossary 2\.1.SDMX Information Model.WebHome]]) is the Unified
--Modelling Language (UML). An overview of the constructs of UML that are used in the SDMXIM can be found in the Appendix “A Short Guide to UML in the SDMX Information Model”
++Modelling [[Language>>doc:sdmx:Glossary 2\.1.Language.WebHome]] (UML). An overview of the constructs of UML that are used in the SDMXIM can be found in the Appendix “A Short Guide to UML in the [[SDMX Information Model>>doc:sdmx:Glossary 2\.1.SDMX Information Model.WebHome]]”
--UML diagramming allows a class to be shown with or without the compartments for one or both of attributes and operations (sometimes called methods). In this document the operations compartment is not shown as there are no operations.
++UML diagramming allows a class to be shown with or without the compartments for one or both of [[attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] and operations (sometimes called methods). In this document the operations compartment is not shown as there are no operations.
  [[image:1749563229253-391.png]]
  **Figure 1 Class with operations suppressed**
--In some diagrams for some classes the attribute compartment is suppressed even though there may be some attributes. This is deliberate and is done to aid clarity of the diagram. The method used is:
++In some diagrams for some classes the [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] compartment is suppressed even though there may be some [[attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]]. This is deliberate and is done to aid clarity of the diagram. The method used is:
--* The attributes will always be present on the class diagram where the class is defined and its attributes and associations are defined.
--* On other diagrams, such as inheritance diagrams, the attributes may be suppressed from the class for clarity.
++* The [[attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] will always be present on the class diagram where the class is defined and its [[attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] and associations are defined.
++* On other diagrams, such as inheritance diagrams, the [[attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] may be suppressed from the class for clarity.
  [[image:1749563243362-354.png]]
  **Figure 2 Class with attributes also suppressed**
--Note that, in any case, attributes inherited from a super class are not shown in the sub class.
++Note that, in any case, [[attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] inherited from a super class are not shown in the sub class.
--The following table structure is used in the definition of the classes, attributes, and associations.
++The following table structure is used in the definition of the classes, [[attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]], and associations.
  (% style="width:680.835px" %)
  |(% style="width:129px" %)**Class**|(% style="width:226px" %)**Feature**|(% style="width:322px" %)**Description**
@@ -48,23 +48,23 @@
  * Whether it is an abstract class. Abstract classes are shown in //italic Courier// font.
  * The superclass this class inherits from, if any.
  * The sub classes of this class, if any.
--* Attribute – the attributeName is shown in Courier font.
++* [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] – the attributeName is shown in Courier font.
  * Association – the associationName is shown in Courier font. If the association is derived from the association between super classes, then the format is /associationName.
  * Role – the +roleName is shown in Courier font.
--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.
++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>>doc:sdmx:Glossary 2\.1.Concept scheme.WebHome]].
  == 1.3 Overall Functionality ==
  === 1.3.1 Information Model Packages ===
--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.
++The [[SDMX Information Model>>doc:sdmx:Glossary 2\.1.SDMX Information Model.WebHome]] ([[SDMX-IM>>doc:sdmx:Glossary 2\.1.SDMX Information Model.WebHome]]) 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.
  In addition to this, to aid understanding each package can be considered to be in one of three conceptual layers:
--the SDMX Base layer comprises fundamental building blocks which are used by the Structural Definitions layer and the Reporting and Dissemination layer
++the [[SDMX>>doc:sdmx:Glossary 2\.1.Statistical data and metadata exchange.WebHome]] Base layer comprises fundamental building blocks which are used by the Structural Definitions layer and the Reporting and Dissemination layer
--the Structural Definitions layer comprises the definition of the structural artefacts needed to support data and metadata reporting and dissemination
++the Structural Definitions layer comprises the definition of the structural [[artefacts>>doc:sdmx:Glossary 2\.1.Artefact.WebHome]] needed to support data and metadata reporting and dissemination
  the Reporting and Dissemination layer comprises the definition of the data and metadata containers used for reporting and dissemination
@@ -74,11 +74,11 @@
  In version 1.0 the metamodel supported the requirements for:
--Data Structure Definition including (domain) category scheme, (metadata) concept scheme, and code list
++[[Data Structure Definition>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] including (domain) [[category scheme>>doc:sdmx:Glossary 2\.1.Category scheme.WebHome]], (metadata) [[concept scheme>>doc:sdmx:Glossary 2\.1.Concept scheme.WebHome]], and [[code list>>doc:sdmx:Glossary 2\.1.Code list.WebHome]]
  Data and related metadata reporting and dissemination
--The SDMX-IM comprises a number of packages. These packages act as convenient compartments for the various sub models in the SDMX-IM. The diagram below shows the sub models of the SDMX-IM that were included in the version 1.0 specification.
++The [[SDMX-IM>>doc:sdmx:Glossary 2\.1.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 2\.1.SDMX Information Model.WebHome]]. The diagram below shows the sub models of the [[SDMX-IM>>doc:sdmx:Glossary 2\.1.SDMX Information Model.WebHome]] that were included in the version 1.0 specification.
  [[image:image4.png]]