Statistical Data and Metadata eXchange (SDMX)

Statistical Data and Metadata eXchange (SDMX)

SDMX is the core information model that informs the vocabulary of the RDF Data Cube Vocabulary.

It isn’t clear in working draft of 05 April 2011, which version of the SDMX materials informs the RDF Data Cube Vocabulary work.

You may also be interested in SDMX pages on domains where statistical work is ongoing, implementations and tools.

On SDMX in general:

SDMX 2.1 Technical Specification

Section 1 – Framework. Introduces the documents and the content of the revised Version 2.1

Section 2 – Information Model. UML model and functional description, definition of classes, associations and attributes

Section 3A – SDMX_ML. Specifies and documents the XML formats for describing structure, data, reference metadata, and interfaces to the registry

Section 3B – SDMX-ML. XML schemas, samples, WADL and WSDL (update: 12 May 2011)

Section 4 – SDMX-EDI. Specifies and documents the UN/EDIFACT format for describing structure and data.

Section 5 – Registry Specification – Logical Interfaces. Provides the specification for the logical registry interfaces, including subscription/notification, registration of data and metadata, submission of structural metadata, and querying

Section 6 – Technical Notes. Provides some technical information which may be useful for the implementation (this was called “Implementor’s Guide” in the 2.0 release)

Section 7 – Web Services Guidelines. Provides guidelines for using SDMX standards to promote interoperability among SDMX web services

ZIP file of all the documents: SDMX 2.1 ALL SECTIONS

And SDMX concepts:

The SDMX Content-Oriented Guidelines recommend practices for creating interoperable data and metadata sets using the SDMX technical standards. They are intended to be applicable to all statistical subject-matter domains. The Guidelines focus on harmonising specific concepts and terminology that are common to a large number of statistical domains. Such harmonisation is useful for achieving an even more efficient exchange of comparable data and metadata, and builds on the experience gained in implementations to date.

Content-Oriented Guidelines

The Guidelines are supplemented by five annexes:

Annex 1 – Cross-Domain Concepts
Annex 2 – Cross-Domain Code Lists
Annex 3 – Statistical Subject-Matter Domains
Annex 4 – Metadata Common Vocabulary
Annex 5 – SDMX-ML for Content-Oriented Guidelines (zip file)

Additional information is provided in the following files:

  1. Mapping of SDMX Cross-Domain Concepts to metadata frameworks at international organisations (IMF-Data Quality Assessment Framework, Eurostat-SDMX Metadata Structure and OECD-Metastore)
  2. Use of Cross-Domain Concepts in Data and Metadata Structure Definitions
  3. A disposition log of comments and suggestions directly received by the SDMX Secretariat.

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