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Last modified by Helena on 2025/09/10 11:19
From version 15.7
edited by Helena
on 2025/05/16 13:17
Change comment: There is no comment for this version
To version 16.3
edited by Helena
on 2025/05/16 13:18
Change comment: There is no comment for this version

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247 247  
248 248  Reference metadata has been substantially re-designed for version 3.0 to simplify the model and better support practical use cases.
249 249  
250 -=== Simplify Metadata Structure Definition ===
251 -
250 +(% class="wikigeneratedid" id="HSimplifyMetadataStructureDefinition" %)
251 +**Simplify Metadata Structure Definition**
252 252  The Metadata Structure Definition (MSD) has been simplified to remove target information, and the support of multiple report structures. The MSD now only contains Metadata Attributes which are used to define the structure of a report.
253 253  
254 254  [[image:SDMX 3-0-0 Major Changes FINAL-1.0_en_ad5f5c97.png||height="346" width="494"]]
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363 363  
364 364  The version 3.0 model has been extended to provide explicit support for geospatial data.
365 365  
366 -=== GeospatialInformation type ===
367 -
366 +(% class="wikigeneratedid" id="HGeospatialInformationtype" %)
367 +**GeospatialInformation type**
368 368  A new GeospatialInformation string type has been added which can be used as the 214 representation for any dimension, attribute or measure component. The value which is a 215 string expression conforming to the syntax defined in Section 6 of the technical 216 specifications precisely defines a ‘Geo Feature Set’ – a collection of geographical 217 features like points, lines or polygons. Its use is recommended in conjunction with the “GEO_FEATURE_SET” concept role.
369 369  
370 -=== Geospatial code lists ===
371 -
370 +(% class="wikigeneratedid" id="HGeospatialcodelists" %)
371 +**Geospatial code lists**
372 372  Two new specialised types of code list have been added where the definition of each code includes additional geospatial information in addition to the standard ID, name and description:
373 373  
374 374  * GeographicCodelist – each item includes an element to represent a specific Geo Feature Set which is described using the same expression syntax as for GeospatialInformation type.
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451 451  Examples:
452 452  
453 453  SDMX:CL_AREA(1.0.0)
454 -
455 455  SDMX:CL_AREA(2.3.2)
456 456  
457 457  == Dependency management ==
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459 459  Additional constructs are possible for dependency management when referencing structures. For instance:
460 460  
461 461  2.3+.1 Means the currently latest available version >= “2.3.1” and < “3.0.0” (all backwards compatible versions >= “2.3.1”).
462 -
463 463  2+.3.1 Means the currently latest available version >= “2.3.1” (even if not backwards compatible).
464 464  
465 465  == Draft structures ==