Changes for page Guidelines for SDMX Data Structure Definitions
Last modified by Artur K. on 2026/05/29 14:28
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... ... @@ -443,10 +443,8 @@ 443 443 * //ID//: a unique identifier of the message 444 444 * //Test//: a Boolean attribute that indicates whether the message is for test purposes or not 445 445 * //Prepared//: the date the message was prepared 446 -* //Sender//: the identification of the organization that is transmitting the message 446 +* //Sender//: the identification of the organization that is transmitting the message (recommended: code from the agency code list in the SDMX COG) 447 447 448 -(recommended: code from the agency code list in the SDMX COG) 449 - 450 450 From a business perspective, the inclusion of the //Name// element is highly recommended, as it can help to understand the purpose of the exchange message. Other header elements such as //Receiver// are optional. 451 451 452 452 = 6 STEP-BY-STEP GUIDE = ... ... @@ -457,13 +457,15 @@ 457 457 458 458 Figure 1 provides an overview of the overall process. As a first step, the context of the data exchange(s) that should be covered by the DSD(s) is defined in terms of purpose, domains, level of exchange, type of data, type of recipient, role of in data exchange, process pattern, and GSBPM phase (see Figure 2). Since reusing existing artefacts is one of the guiding principles, the second step identifies existing DSDs that may be reused (see Figure 3). In case relevant DSDs are available, their suitability in the present context is evaluated in step 3. Aspects to be taken into account are concept coverage, concept roles, attribute attachment levels, and code lists (see Figure 4). Step 4 is subject to the outcome of step 3. In case of a favorable assessment, the DSDs are simply reused. If the DSDs are partly suitable, modified versions can be derived. See section 2. for a summary of possible DSD modification scenarios. If the DSDs are not suitable or if no relevant DSDs are available at all, new DSDs will be defined as described in section 3. Finally, supporting artefacts such as data flow definitions and data provision agreements are defined (see Figure 5). 459 459 458 +(% class="wikigeneratedid" %) 459 +[[image:1768470533088-795.png]] 460 460 461 461 (% class="wikigeneratedid" id="HFigure1.OverviewoftheDSDdesignprocess" %) 462 462 Figure 1. Overview of the DSD design process 463 463 464 - 465 465 Figure 2 summarizes the characteristics of the data exchange context that is defined in step 1. These characteristics affect the decision on the data structuring approach that is part of the process of defining the concepts of a new DSD (step 4.3. in Figure 1; see Figure 7 in section 2.). 466 466 466 +[[image:1768470575978-226.png]] 467 467 468 468 (% class="wikigeneratedid" id="HFigure2.Characteristicsofdataexchangecontext" %) 469 469 Figure 2. Characteristics of data exchange context ... ... @@ -470,20 +470,23 @@ 470 470 471 471 Figure 3 recaps the priorities given to different types of existing DSDs when searching for candidates for reuse in step 2. Global DSDs maintained by the SDMX consortium are ranked the highest. They can be found via the Global SDMX Registry. 472 472 473 +(% class="wikigeneratedid" %) 474 +[[image:1768470596130-305.png]] 473 473 474 474 (% class="wikigeneratedid" id="HFigure3.PriorityrankingofexistingDSDsforreuse" %) 475 475 Figure 3. Priority ranking of existing DSDs for reuse 476 476 477 - 478 478 Figure 4 summarizes the aspects to be considered in the assessment of the suitability of existing DSDs in step 3. For a detailed description of the cases of partial unsuitability see section 2.1. above. 479 479 481 +(% class="wikigeneratedid" %) 482 +[[image:1768470626558-321.png]] 480 480 481 481 (% class="wikigeneratedid" id="HFigure4.AspectsofDSDsuitability" %) 482 482 Figure 4. Aspects of DSD suitability 483 483 484 - 485 485 Figure 5 lists the most relevant artefacts required in addition to a DSD, its concept scheme, and code lists. 486 486 489 +[[image:1768470646456-652.png]] 487 487 488 488 Figure 5. Supporting artefacts 489 489 ... ... @@ -491,8 +491,10 @@ 491 491 492 492 Figure 6 briefly recapitulates the actions that can be taken to overcome partial unsuitability of DSDs. As far as possible, existing artefacts should be reused in this case. This means that even if a DSD cannot be reused as a whole, concepts and code lists from that DSD can be included in the new DSD by reference. 493 493 494 - **FigureDSD modificationscenarios**497 +[[image:1768470678965-391.png]] 495 495 499 +Figure 6. DSD modification scenarios 500 + 496 496 == 6.3 Defining new DSDs == 497 497 498 498 In case no (suitable) DSD is available, the actual process of specifying a new DSD is started. Figure 7 depicts this process (step 4.3. in Figure 1). It encompasses the specification of concepts, code lists, and data formats. All three specification steps include the identification of already existing artefacts that could be reused or modified to satisfy the requirements at hand and the definition of new artefacts in case no suitable artefacts are detected. Several iterations of steps 1 (specification of concepts; see Figure 8) and 2 (specification of code lists; see Figure°13) may be necessary, including revisions of the decision concerning the data structuring approach. Finally all artefacts defined in the previous steps are put together into a DSD.
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