Report of the sdmx technical standards working group
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Report of the SDMX Technical Standards Working Group. SDMX Expert Group Meeting, Paris, September 2012. Background & composition (I). Provides the forum for the active participation of the SDMX community in the management and development of the SDMX technical standards

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Report of the SDMX Technical Standards Working Group

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Report of the sdmx technical standards working group

Report of the SDMX Technical Standards Working Group

SDMX Expert Group Meeting, Paris, September 2012

SDMX Technical Working Group


Background composition i

Background & composition (I)

Provides the forum for the active participation of the SDMX community in the management and development of the SDMX technical standards

Started in May 2011, with the SDMX Global Conference in Washington

20 members:

Central banks, statistical offices & international organisations

14 countries and 6 international organisations

4 continents

Representative of the SDMX community

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Background composition ii

Background & composition (II)

Reports to the SDMX Secretariat

Participants expected to provide around one person month per year for work in the TWG

Membership of a non-sponsoring organisation should normally not exceed two years

Chair and co-chair, with one of these coming from a sponsoring organisation, elected for one year (re-election possible)

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Tasks

Tasks

Focuses on improving and extending the SDMX Technical Standards

Owns the public SDMX technical standards issues list

Reviews the technical standards issues list and decides on priorities for working on reported issues

Works with the appropriate external SDMX consultants to prepare a proposal for a revised version of the standard to be approved by the SDMX sponsors

Oversees a set of SDMX reference tools

Cooperates with the SDMX Statistical Working group as required

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Work methods

Work methods

Meetings: 05/2011 (Washington), 10/2011 (Frankfurt), 06/2012 (Rome), 12/2012 (Paris)

Teleconferences

Web-based platform (eBIS)

Emails

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Work programme

Work programme

List of issues collected from the community (including leftovers from the SDMX 2.1 revision process)

TWG voted for the issues with the highest priorities in May 2011

Part of the SDMX action plan 2011-2015

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Work programme global registry i

Work programme: Global registry (I)

Wish to have a central location where statistical metadata are made available to the community:

SDMX concepts, codelists and top-level agencies

Internationally agreed DSDs (e.g.: BPM6)

Other metadata maintained by members of the SDMX community

=> Need to deploy an SDMX Global registry available for use by the SDMX community

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Work programme global registry iii

Work programme: Global registry (III)

Delivered so far:

User requirements for the SDMX Global Registry

Proposed hosting solutions for the SDMX Global Registry (cloud hosting)

Operational aspects of the SDMX Global Registry

Recommended registry implementation (Fusion Registry, from Metadata Technology Ltd., UK)

Funding issues currently discussed at the level of the Secretariat and the Sponsors

Deadline: 30/09/2013

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Work programme sdmx it tools strategy

Work programme: SDMX IT tools strategy

SDMX tools individually developed over the years and made available (mostly for free) to the SDMX community.

But most of them are not interoperable.

Proposed to address the issue by

Adopting normative interfaces

Providing tools to check the compatibility of tools against these interfaces

Offering reference implementations

In addition, a new document, targeting IT architects and developers will be delivered

Deadline: 30/10/2013

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Work programme security guidelines for registry and web services

Work programme: Security guidelines for registry and web services

Security-related questions left out of version 2.1 of the SDMX web services guidelines and of the SDMX registry guidelines.

Need to cover issues such as authentication, authorisation, confidentiality, integrity, non-repudiation and accessibility

Covers the needs of the SDMX Global Registry

Updated Section 07 will be made available for review on the SDMX users forum

Deadlines:

Global registry: 31/05/2012

Web services: 31/12/2012

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Work programme improved technical documentation

Work programme: Improved technical documentation

Often pointed out that the SDMX technical documentation is complex.

Need to suggest possible improvements and enhancements.

Focused on SDMX 2.1

Deliverables:

Updated user guide

XML Schema Documentation

Schema/Model mapping

Deadline: 30/06/2013

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Work programme sdmx and other technical standards

Work programme: SDMX and other technical standards

Contribute in the discussion of the possible interaction of SDMX and other standard (such as DDI) in the matters of dealing with micro-data and supporting the phases of the GSBPM

Assess current capabilities (SDMX vs. other standards)

Suggest how SDMX could evolve

Discuss the possible integration with other standards

Deadline: 2013-12-31

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Work programme sdmx and other technical standards1

Work programme: SDMX and other technical standards

Progress so far:

Use-cases collected for:

Microdata (questionnaires, registers, multidimens.)

Process phases (exchange, validation, calculation, etc.)

Analysis in progress on SDMX and DDI

Applying the standards to the use cases

Evidence of cases of incomplete support for future suggestion of possible improvements

New fields of interaction and comparison:

GSIM (UNECE)

RDF language / Data Cube Vocabulary (W3C)

XBRL standard

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In addition sdmx json

In addition: SDMX-JSON

Many web services nowadays return data in formats other than XML. Common example: JSON

Members of the TWG teamed up with other members of the SDMX community to propose a JSON representation of the information model

Aim to increase utilisation, ease data extraction and reduce developers burden

Improved accessibility

Requirements:

Based on the SDMX information model and RESTful API.

Optimised for the web and mobile devices

Simple, terse & solid JSON

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In addition reviews change management procedures

In addition: Reviews & Change management procedures

Provided reviews of various documents such as:

Note to the SDMX Secretariat on BPM6 DSD issues (BOP-DSD Working Group)

Guidelines for the creation and management of SDMX cross-domain code lists (SWG)

The Data Cube Vocabulary: Deploying SDMX as RDF from Existing Systems

Currently working on adopting change management procedures for swiftly handling bug reports and minor improvements

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Report of the sdmx technical standards working group

Thank you!

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