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Last modified by Helena on 2025/09/10 11:19
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1 -xwiki:XWiki.helena
1 +xwiki:XWiki.arturkryazhev
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6 6  
7 7  The scope of this Chapter is to show the [[SDMX-ML>>doc:sdmx:Glossary.SDMX-ML.WebHome]] interactions with the Registry, database, and [[metadata repository>>doc:sdmx:Glossary.Metadata repository.WebHome]] for the use case scenario outlined in Chapter 3. The scenario is repeated below.
8 8  
9 -The [[SDMX-ML>>doc:sdmx:Glossary.SDMX-ML.WebHome]] examples used are version 2.1.
9 +The [[SDMX-ML>>doc:sdmx:Glossary.SDMX-ML.WebHome]] examples used are (% style="color:#e74c3c" %)version(%%) 2.1.
10 10  
11 11  == 16.2 Scenario ==
12 12  
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25 25  |3|(% style="width:670px" %)These choices are logical choices, built from the [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] selections.
26 26  |5|(% style="width:670px" %)The logical choice is formatted as an [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] data query. This is passed to the Data Base which responds with an [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] [[data set>>doc:sdmx:Glossary.Data set.WebHome]].
27 27  |6|(% style="width:670px" %)[[Reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] relevant to the data returned is retrieved from a [[metadata repository>>doc:sdmx:Glossary.Metadata repository.WebHome]].
28 -|7|(% style="width:670px" %)The data and metadata are passed to a visualization tool to display the data in tables, charts, graphs, maps etc. Often a download is offered in various formats. The download options often include also the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] or MSD.
28 +|7|(% style="width:670px" %)The data and metadata are passed to a visualization tool to display the data in tables, charts, graphs, (% style="color:#e74c3c" %)maps(%%) etc. Often a download is offered in various formats. The download options often include also the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] or MSD.
29 29  
30 30  == 16.3 Structural Metadata ==
31 31  
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89 89  **Notes**
90 90  
91 91  1. A [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] can state its position in the key, but the actual sequence is defined by the sequence in the i.e. the inferred sequence in the  takes precedence over the value of the position attribute.
92 -1. This [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] is converted from version 2.0. The version 2.0 [[Concepts>>doc:sdmx:Glossary.Concept.WebHome]] were standalone in the form  <[[Concept>>doc:sdmx:Glossary.Concept.WebHome]] agencyID=”ECB” version=”1.0”/>
93 -1. The standalone [[concept>>doc:sdmx:Glossary.Concept.WebHome]] is not supported in 2.1 and any standalone [[concept>>doc:sdmx:Glossary.Concept.WebHome]] is placed in a [[Concept Scheme>>doc:sdmx:Glossary.Concept scheme.WebHome]] with the Id “STANDALONE_CONCEPT_SCHEME” of the version corresponding to the version of the original standalone [[concept>>doc:sdmx:Glossary.Concept.WebHome]].
92 +1. This [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] is converted from (% style="color:#e74c3c" %)version(%%) 2.0. The (% style="color:#e74c3c" %)version(%%) 2.0 (% style="color:#e74c3c" %)Concepts(%%) were standalone in the form  <Concept agencyID=”ECB” version=”1.0”/>
93 +1. The standalone (% style="color:#e74c3c" %)concept(%%) is not supported in 2.1 and any standalone (% style="color:#e74c3c" %)concept(%%) is placed in a [[Concept Scheme>>doc:sdmx:Glossary.Concept scheme.WebHome]] with the Id “STANDALONE_CONCEPT_SCHEME” of the (% style="color:#e74c3c" %)version(%%) corresponding to the (% style="color:#e74c3c" %)version(%%) of the original standalone (% style="color:#e74c3c" %)concept(%%).
94 94  
95 95  (% class="wikigeneratedid" id="HGroup-1" %)
96 96  **Group**
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100 100  
101 101  **Notes:**
102 102  
103 -1. A Group in version 2.1 plays the same role as it does in version 2.0 except that it does not group Series in the [[data set>>doc:sdmx:Glossary.Data set.WebHome]]. The Group in version 2.1 is used solely as a mechanism to attach [[Attributes>>doc:sdmx:Glossary.Attribute.WebHome]] in the [[data set>>doc:sdmx:Glossary.Data set.WebHome]].
104 -1. The Group in version 2.1 is retained for compatibility with version 2.0 and for avoiding repetition in the new [[Attribute Relationship>>doc:sdmx:Glossary.Attribute relationship.WebHome]] construct which is introduced in version 2.1.
103 +1. A Group in (% style="color:#e74c3c" %)version(%%) 2.1 plays the same role as it does in (% style="color:#e74c3c" %)version(%%) 2.0 except that it does not group Series in the [[data set>>doc:sdmx:Glossary.Data set.WebHome]]. The Group in (% style="color:#e74c3c" %)version(%%) 2.1 is used solely as a mechanism to attach [[Attributes>>doc:sdmx:Glossary.Attribute.WebHome]] in the [[data set>>doc:sdmx:Glossary.Data set.WebHome]].
104 +1. The Group in (% style="color:#e74c3c" %)version(%%) 2.1 is retained for compatibility with (% style="color:#e74c3c" %)version(%%) 2.0 and for avoiding repetition in the new [[Attribute Relationship>>doc:sdmx:Glossary.Attribute relationship.WebHome]] construct which is introduced in (% style="color:#e74c3c" %)version(%%) 2.1.
105 105  
106 106  (% class="wikigeneratedid" id="HAttributes" %)
107 107  **Attributes**
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117 117  
118 118  1. The [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] has a relationship to either a [[data set>>doc:sdmx:Glossary.Data set.WebHome]] of one or more [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] as described in Chapter 4.
119 119  1. [[DECIMALS>>doc:sdmx:Glossary.Decimals.WebHome]] has a relationship to a Group with the Id of Group.
120 -1. COLLECTION has a relationship to a set of [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] – in this case this is, in reality, the [[series key>>doc:sdmx:Glossary.Series key.WebHome]] as this has been converted from version 2.0. It is possible for an [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] to have a relationship with just one, a few, or all of the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]].
120 +1. COLLECTION has a relationship to a set of [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] – in this case this is, in reality, the [[series key>>doc:sdmx:Glossary.Series key.WebHome]] as this has been converted from (% style="color:#e74c3c" %)version(%%) 2.0. It is possible for an [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] to have a relationship with just one, a few, or all of the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]].
121 121  1. OBS_CONF has a relationship with the Primary [[Measure>>doc:sdmx:Glossary.Measure.WebHome]].
122 122  
123 123  (% class="wikigeneratedid" id="HMeasure" %)
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172 172  
173 173  1. The reference to the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] is given in the message header and given a local structureId
174 174  1. The local structureId ([[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]) is referenced from the [[DataSet>>doc:sdmx:Glossary.Data set.WebHome]]
175 -1. A Group does not contain Series in version 2.1: it is used solely to declare attributes
175 +1. A Group does not contain Series in (% style="color:#e74c3c" %)version(%%) 2.1: it is used solely to declare attributes
176 176  1. The first in the first has an OBS_VALUE of “NaN”. This is an XML expression that declared a value of “not a number”, thus allowing a “missing value” to be declared.
177 177  1. A [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] can contain observations from different frequencies.
178 178  
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223 223  
224 224  The following REST query will return the [[dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]].
225 225  
226 -[[http:~~/~~/ ~[ws-entry-point~]/dataflow/ECB/2034482/1.0>>http://[ws-entry-point]/dataflow/ECB/2034482/1.0||rel="noopener noreferrer" target="_blank"]]
226 +[[http:~~/~~/ ~[ws-entry-point~]/dataflow/ECB/2034482/1.0>>http:// [ws-entry-point]/dataflow/ECB/2034482/1.0||rel="noopener noreferrer" target="_blank"]]
227 227  
228 228  [[image:image-20250318221512-23.jpeg||data-xwiki-image-style-alignment="center"]]
229 229  
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246 246  
247 247  The following REST query will return the [[Data Provider Scheme>>doc:sdmx:Glossary.Data provider scheme.WebHome]] that contains the [[Data Provider>>doc:sdmx:Glossary.Data provider.WebHome]] connected to the [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]]. Note that this is not necessary in order to query for the data unless the [[Data Provider>>doc:sdmx:Glossary.Data provider.WebHome]] contains information required by the query application (such as the name of the [[Data Provider>>doc:sdmx:Glossary.Data provider.WebHome]]).
248 248  
249 -[[http:~~/~~/~[ws-entry-point~]/dataprovider/ECB>>http:// [ws-entry-point]/dataprovider/ECB||rel="noopener noreferrer" target="_blank"]]
249 +[[http:~~/~~/~[ws-entry-point~]/dataprovider/ECB>>http://[ws-entry-point]/dataprovider/ECB||rel="noopener noreferrer" target="_blank"]]
250 250  
251 251  (% class="wikigeneratedid" id="HNotes-4" %)
252 252  **Notes**
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293 293  (% style="text-align: center;" %)
294 294  **{{id name="image_56"/}}Figure 56: Selection Screen build from SDMX DSD**
295 295  
296 -The user can click on each of the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] and the relevant [[code>>doc:sdmx:Glossary.Code.WebHome]] selections are displayed. Note that in the example above the application is assumed to have queries for all the keys so that it can process them in order to grey-out the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] selections for which there is no data. These are greyed-out based on the current selections in the other [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]]. This shows the importance of content [[constraints>>path:/xwiki/wiki/sdmx/get/Methodology/SDMX%202.1%20User%20Guide/6%20Data%20and%20Structure%20Query?sheet=CKEditor.ResourceDispatcher&outputSyntax=plain&language=en&type=doc&reference=Glossary.Constraint.WebHome&typed=true]] in a web dissemination system, as they can be used to guide the user to make only the selections that will return data. The same result can be achieved if these [[constraints>>path:/xwiki/wiki/sdmx/get/Methodology/SDMX%202.1%20User%20Guide/6%20Data%20and%20Structure%20Query?sheet=CKEditor.ResourceDispatcher&outputSyntax=plain&language=en&type=doc&reference=Glossary.Constraint.WebHome&typed=true]] are available for query (e.g. in a Registry), but this is a less effective way of processing if the contenrts of the database are dynamic.
296 +The user can click on each of the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] and the relevant [[code>>doc:sdmx:Glossary.Code.WebHome]] selections are displayed. Note that in the example above the application is assumed to have queries for all the keys so that it can process them in order to grey-out the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] selections for which there is no data. These are greyed-out based on the current selections in the other [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]]. This shows the importance of content (% style="color:#e74c3c" %)constraints(%%) in a web dissemination system, as they can be used to guide the user to make only the selections that will return data. The same result can be achieved if these (% style="color:#e74c3c" %)constraints(%%) are available for query (e.g. in a Registry), but this is a less effective way of processing if the contenrts of the database are dynamic.
297 297  
298 298  === 16.4.6 Query Database ===
299 299  
300 300  [[image:image-20250318221512-31.jpeg||data-xwiki-image-style-alignment="center"]]
301 301  
302 -The logical query of the user is converted to an [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] query and sent to the Data Web Service of the data publisher. The Data Web Service may also query the [[Metadata Repository>>doc:sdmx:Glossary.Metadata repository.WebHome]] in order to return both data and related metadata to the user application. The Data Web Service may also require [[structural metadata>>doc:sdmx:Glossary.Structural metadata.WebHome]] ([[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] and [[MSD>>doc:sdmx:Glossary.Metadata structure definition.WebHome]] and related [[Code Lists>>doc:sdmx:Glossary.Code list.WebHome]] and (% style="color:#e74c3c" %)[[Concepts>>doc:sdmx:Glossary.Concept.WebHome]](%%)) from the [[structural metadata>>doc:sdmx:Glossary.Structural metadata.WebHome]] repository, in this example this an [[SDMX Registry>>doc:sdmx:Glossary.SDMX Registry.WebHome]].
302 +The logical query of the user is converted to an [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] query and sent to the Data Web Service of the data publisher. The Data Web Service may also query the [[Metadata Repository>>doc:sdmx:Glossary.Metadata repository.WebHome]] in order to return both data and related metadata to the user application. The Data Web Service may also require [[structural metadata>>doc:sdmx:Glossary.Structural metadata.WebHome]] ([[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] and [[MSD>>doc:sdmx:Glossary.Metadata structure definition.WebHome]] and related [[Code Lists>>doc:sdmx:Glossary.Code list.WebHome]] and (% style="color:#e74c3c" %)Concepts(%%)) from the [[structural metadata>>doc:sdmx:Glossary.Structural metadata.WebHome]] repository, in this example this an [[SDMX Registry>>doc:sdmx:Glossary.SDMX Registry.WebHome]].
303 303  
304 304  (% class="wikigeneratedid" id="HDataQueryLogicalSelections" %)
305 305  **Data Query Logical Selections**
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322 322  
323 323  [[image:image-20250318221512-32.jpeg||data-xwiki-image-style-alignment="center" height="310" width="346"]]
324 324  
325 -The returned data and metadata can be presented to the user in many ways – tables, graphs, charts, maps etc. [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] does not support visualization directly but it is possible to define roles for a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] and [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] in the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]. For instance, it is possible to assign a role of “Geography” or “[[Title>>doc:sdmx:Glossary.Title.WebHome]]” or “[[Measure>>doc:sdmx:Glossary.Measure.WebHome]] Unit” etc. which will aid a data visualization service to present this information in a meaningful way to the user.
325 +The returned data and metadata can be presented to the user in many ways – tables, graphs, charts, (% style="color:#e74c3c" %)maps(%%) etc. [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] does not support visualization directly but it is possible to define roles for a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] and [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] in the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]. For instance, it is possible to assign a role of “Geography” or “[[Title>>doc:sdmx:Glossary.Title.WebHome]]” or “[[Measure>>doc:sdmx:Glossary.Measure.WebHome]] Unit” etc. which will aid a data visualization service to present this information in a meaningful way to the user.
326 326  
327 327  [[image:image-20250318221512-33.jpeg||data-xwiki-image-style-alignment="center"]]
328 328  
SKMS.Methodology.Code.MethodologyClass[0]
Index
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1 -17
SUZ.Methodology.Code.MethodologyClass[0]
index
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1 +17