Difference between revisions of "Concept Scheme V10"
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==Usage== | ==Usage== | ||
Revision as of 09:40, 8 February 2021
Contents
Overview
A Concept Scheme holds descriptive information for an arrangement or division of concepts into groups based on characteristics, which the objects have in common.
Structure Properties
| Structure Type | Standard SDMX Structural Metadata Artefact |
|---|---|
| Maintainable | Yes |
| Identifiable | Yes |
| Item Scheme | Yes |
| SDMX Information Model Versions | 1.0, 2.0, 2.1 |
| URN - ConceptScheme namespace | urn:sdmx:org.sdmx.infomodel.conceptscheme.ConceptScheme |
| URN - concept namespace | urn:sdmx:org.sdmx.infomodel.concept.Concept |
Context within the SDMX 2.1 Information Model
Usage
Concepts are used by Dimensions, Attributes, Measures, and Metadata Attributes to provide them with a semantic meaning. Concepts can also be used to define a default representation, for example it is possible to link the Concept of Frequency to a Codelist containing all the Frequency Codes, any structure using the Concept will inherit the default representation.
Conventions
Concept Scheme IDs IDs are conventionally uppercase using underscores '_' as separators if required. Examples:
| Agency | Concept Scheme ID | Description | SDMX-ML |
|---|---|---|---|
| ESTAT | CS_NA | List of concepts for National Accounts DSDs | SDMX-ML |
| UIS | CS_BOP | Balance of Payments Concept Scheme | SDMX-ML |
| IMF | CS_EDUC_UOE | EDUC_UOE Concept Scheme | SDMX-ML |
| SDMX | CROSS_DOMAIN_CONCEPTS | SDMX Gross Domain Concept Scheme | SDMX-ML |
