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Last modified by Helena on 2025/09/10 11:19
From version 2.1
edited by Helena
on 2025/05/21 13:57
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To version 1.4
edited by Helena
on 2025/05/21 13:47
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373 373  For a queryable datasource the Registry MAY validate that the source exists and can accept an SDMX-ML data query.
374 374  )))
375 375  
376 +
377 +
376 376  = 6 Identification of SDMX Objects =
377 377  
378 378  == 6.1 Identification, Versioning, and Maintenance ==
... ... @@ -379,6 +379,7 @@
379 379  
380 380  All major classes of the SDMX Information model inherit from one of:
381 381  
384 +
382 382  * **IdentifiableArtefact** - this gives an object the ability to be uniquely identified (see following section on identification), to have a user-defined URI, and to have multi-lingual annotations.
383 383  * **NamableArtefact **- this has all of the features of IdentifiableArtefact plus the ability to have a multi-lingual name and description,
384 384  * **VersionableArtefact **– this has all of the above features plus a version number and a validity period.
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386 386  
387 387  === 6.1.1 Identification, Naming, Versioning, and Maintenance Model ===
388 388  
389 -[[image:1747824504225-229.png]]
390 -
391 391  **Figure 5: Class diagram of fundamental artefacts in the SDMX-IM**
392 392  
393 393  The table below shows the identification and related data attributes to be stored in a registry for objects that are one of:
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398 398  * Versionable
399 399  * Maintainable
400 400  
401 -(% style="width:935.294px" %)
402 -|**Object Type**|(% style="width:244px" %)**Data Attributes**|(% style="width:99px" %)**Status**|**Data type**|(% style="width:389px" %)**Notes**
403 -|Annotable|(% style="width:244px" %)AnnotationTitle|(% style="width:99px" %)C|string|(% style="width:389px" %)
404 -| |(% style="width:244px" %)AnnotationType|(% style="width:99px" %)C|string|(% style="width:389px" %)
405 -| |(% style="width:244px" %)AnnotationURN|(% style="width:99px" %)C|string|(% style="width:389px" %)
406 -| |(% style="width:244px" %)(((
407 -AnnotationText in the form of International String
408 -)))|(% style="width:99px" %)C| |(% style="width:389px" %)This can have languagespecific variants.
409 -|Identifiable|(% style="width:244px" %)all content as for Annotable plus|(% style="width:99px" %) | |(% style="width:389px" %)
410 -| |(% style="width:244px" %)id|(% style="width:99px" %)M|string|(% style="width:389px" %)
411 -| |(% style="width:244px" %)uri|(% style="width:99px" %)C|string|(% style="width:389px" %)
412 -| |(% style="width:244px" %)urn|(% style="width:99px" %)C|string|(% style="width:389px" %)Although the urn is computable and therefore may not be submitted or stored physically, the Registry must return the urn for each object, and must be able to service a query on an object referenced solely by its urn.
413 -|Nameable|(% style="width:244px" %)all content as for Identifiable plus|(% style="width:99px" %) | |(% style="width:389px" %)
414 -| |(% style="width:244px" %)Name in the form of International String|(% style="width:99px" %)M|string|(% style="width:389px" %)This can have languagespecific variants.
415 -| |(% style="width:244px" %)(((
416 -Description in the form of International String
417 -)))|(% style="width:99px" %)C|string|(% style="width:389px" %)This can have languagespecific variants.
418 -|Versionable|(% style="width:244px" %)All content as for Identifiable plus|(% style="width:99px" %) | |(% style="width:389px" %)
419 -| |(% style="width:244px" %)version|(% style="width:99px" %)C|string|(% style="width:389px" %)This is the version number. If not present the default is 1.0
420 -| |(% style="width:244px" %)validFrom|(% style="width:99px" %)C|Date/time|(% style="width:389px" %)
421 -| |(% style="width:244px" %)validTo|(% style="width:99px" %)C|Date/time|(% style="width:389px" %)
422 -|Maintainable|(% style="width:244px" %)All content as for Versionable plus|(% style="width:99px" %) | |(% style="width:389px" %)
423 -| |(% style="width:244px" %)final|(% style="width:99px" %) |boolean|(% style="width:389px" %)Value of “true” indicates that this is a final specification and it cannot be changed except as a new version. Note that providing a “final’ object is not referenced from another object then it may be deleted.
424 -| |(% style="width:244px" %)isExternalReference|(% style="width:99px" %)C|boolean|(% style="width:389px" %)Value of “true” indicates that the actual resource is held outside of this registry. The actual reference is given in the registry URI or the structureURI, each of which must return a valid SDMX-ML file.
425 -| |(% style="width:244px" %)serviceURL|(% style="width:99px" %)C|string|(% style="width:389px" %)The url of the service that can be queried for this resource
426 -| |(% style="width:244px" %)structureURL|(% style="width:99px" %)C|string|(% style="width:389px" %)The url of the resource.
427 -| |(% style="width:244px" %)(Maintenance) agencyId|(% style="width:99px" %)M|string|(% style="width:389px" %)The object must be linked to a maintenance agency.
402 +|**Object Type**|**Data Attributes**|**Status**|**Data type**|**Notes**
403 +|Annotable|AnnotationTitle|C|string|
404 +| |AnnotationType|C|string|
405 +| |AnnotationURN|C|string|
406 +| |(((
407 +AnnotationText in the form of
428 428  
409 +International String
410 +)))|C| |This can have languagespecific variants.
411 +| | | | |
412 +|Identifiable|all content as for Annotable plus| | |
413 +| |id|M|string|
414 +| |uri|C|string|
415 +| |urn|C|string|Although the urn is computable and therefore may not be submitted or stored physically, the Registry must return the urn for each object, and must be able to service a query on an object referenced solely by its urn.
416 +|Nameable|all content as for Identifiable plus| | |
417 +| |Name in the form of International String|M|string|This can have languagespecific variants.
418 +| |(((
419 +Description in the form of International
420 +
421 +String
422 +)))|C|string|This can have languagespecific variants.
423 +|Versionable|All content as for Identifiable plus| | |
424 +| |version|C|string|This is the version number. If not present the default is 1.0
425 +| |validFrom|C|Date/time|
426 +| |validTo|C|Date/time|
427 +|Maintainable|All content as for Versionable plus| | |
428 +| |final| |boolean|Value of “true” indicates that this is a final specification and it cannot be changed except as a new version. Note that providing a “final’ object is not referenced from another object then it may be deleted.
429 +| |isExternalReference|C|boolean|Value of “true” indicates that the actual resource is held outside of this registry. The actual reference is given in the registry URI or the structureURI, each of which must return a valid SDMX-ML file.
430 +| |serviceURL|C|string|The url of the service that can be queried for this resource
431 +| |structureURL|C|string|The url of the resource.
432 +| |(Maintenance) agencyId|M|string|The object must be linked to a maintenance agency.
433 +
429 429  **Table 1: Common Attributes of Object Types**
430 430  
431 431  == 6.2 Unique identification of SDMX objects ==
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470 470  
471 471  An example of this is shown in the XML snippet below.
472 472  
473 -[[image:1747824123013-196.jpeg||height="309" width="446"]]
474 474  
475 -(% class="wikigeneratedid" id="HFigure8:ExampleShowingUseofAgencyIdentifiers" %)
476 -**Figure 8: Example Showing Use of Agency Identifiers**
479 +[[image:1747824123013-196.jpeg]]
477 477  
481 +==== Figure 8: Example Showing Use of Agency Identifiers ====
482 +
478 478  Each of these maintenance agencies has an identical Code list with the Id CL_BOP. However, each is uniquely identified by means of the hierarchic agency structure.
479 479  
480 480  === 6.2.2 Universal Resource Name (URN) ===
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