Examples of using Structure definitions in English and their translations into Arabic
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A list of domains for which data structure definitions should be developed;
The data structure definitions are now hosted in the Global Registry and are continuously maintained.
Organizations have alsoexpressed the need for more SDMX data structure definitions used in statistical domains.
Some data structure definitions, eg for ESCB and Eurostat, are also enshrined in EU legal acts.
(d) Features to show action plans concerningthe development of tools and data and metadata structure definitions.
The steering group is expected to finalize the data structure definitions by the end of 2012, so that they could be implemented in the course of 2014.
In this context, some supplementary information is provided inAnnex C about the role of SDMX data structure definitions in creating efficiencies.
A mechanism to foster coherence in data structure definitions(and associated code-lists) developed by different organizations/working groups in order to facilitate their use worldwide.
The organizations agreed to common data structures, to harmonized structural metadata,to data structure definitions and finally to SDMX-based pilot data exchanges.
The European System of Central Banks exchanges statistics on the balance of payments and international investment positions,sector accounts and government finances based on global data structure definitions.
This way the SDMX web site wouldbecome an evolving repository where data structure definitions and code-lists developed for specific subject-matters would be made available to all interested parties.
They already discussed to move to SDMX standards and guidelines both for data collection and data dissemination(joint hub),developing data structure definitions for all variables covered by the exercise.
Therefore draft domain-specific concepts, data structure definitions and code lists should be issued for public comment and review before their final approval by the respective working groups/experts that will develop them.
A steering group, consisting of representatives of the European Central Bank, Eurostat and OECD,is developing the necessary data structure definitions for the future exchange of national accounts data.
When an organization(or a group of organizations) decides to develop data structure definitions for a specific subject-matter, it would communicate this intention to the SDMX secretariat, using a pre-defined template made available on the SDMX web site.
(b) Foster collaboration through various meetings with sponsoring organizations,especially focusing on cross-domain concepts and facilitating the building of data/metadata structure definitions(i.e., involving subject-matter domain experts).
SDMX envisages three essential elements in developing subject-matter data structure definitions and code-lists in a transparent and coordinated way, building wherever possible on available cross-domain concepts and the metadata common vocabulary.
To invite the SDMX Sponsoring Institutions to use the SDMX website to link to work of specificstatistical domains that develop subject-matter data structure definitions and thereby provide some coherence to these efforts;
In September 2012, they decided that SDMX artefacts(such as data structure definitions or SDMX code lists), which are used for national and international data and metadata exchange by SDMX sponsors and other organizations, would be made available to the public and for use in information technology applications through the SDMX Global Registry.
In the case of the JEDH mentioned above, the launch of the technicalapplication became straightforward once the data structure definitions for the external debt data were approved by the Inter-Agency Task Force on Finance Statistics.
Practical experiences have provided growing evidence to the effect that the relative costs for technology and subject-matter domains work are minor(as mentioned above,information models and data and metadata structure definitions need to be developed anyway).
This new phase will lead to a spread of SDMX-related developments(e.g.,data structure definitions and tools), in many cases with limited or even no participation of the sponsors.
Recent experiences in developing data structure definitions have focused on external debt, monetary statistics, international financial statistics, balance of payments, commodity trade statistics, national accounts, short term indicators, agriculture data and some additional macro-economic statistical series.
A central factor for the success of theproposed approach to creating domain-specific data structure definitions is the transparency of the process to develop them, in particular to ensure the involvement of users.
SDMX Data Structure Definitions for national accounts, balance of payments and foreign direct investment were released in the Global Registry in April 2014 and a combined" Ownership Group" was established in January 2014 to work on the maintenance of SDMX structures for the statistics mentioned above.
Of course, when joint data collection activities are carried out by two ormore IOs an agreement on data structure definitions has to be found among participants, wherever possible adopting and building on those already existing.
In relation to the harmonization and availability of CPIs, the Working Group played and will continue to play a major role in defining the international standards and templates to be used for the collection of price statistics information,in setting up the protocol for the international transmission of such statistics(data structure definitions and Statistical Data and Metadata Exchange(SDMX) implementation) and in promoting methodological harmonization.
The full benefits of SDMX are achieved when they are complemented by domain-specific guidelines,i.e. data and metadata structure definitions and code lists for individual statistical domains such as national accounts, balance of payments, external debt or agricultural, labour and education statistics.
It has been agreed by the sponsors of that initiative that a steering group consisting of the European Central Bank,Eurostat and OECD will develop the necessary data structure definitions for the future exchange of national accounts data in coordination with the Working Group.
While there is a longstanding co-operation on a worldwide level to develop statistical concepts and methodologies in a coordinated way(through various international working groups and task-forces),experience to develop data structure definitions and code-lists according to SDMX content-oriented guidelines is currently centered within the SDMX Sponsoring Institutions and a number of central banks and national statistical agencies.