Changes for page 16 Annex 6: Worked Use Case
Last modified by Helena on 2025/09/10 11:19
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... ... @@ -4,34 +4,34 @@ 4 4 5 5 == 16.1 Scope == 6 6 7 -The scope of this Chapter is to show the SDMX-ML interactions with the Registry, database, and metadata repository for the use case scenario outlined in Chapter 3. The scenario is repeated below. 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 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 13 -This scenario is the dissemination of data and related reference metadata using SDMX web services. It shows how the data, reference metadata, and structural metadata are used to build a web dissemination system. 13 +This scenario is the dissemination of data and related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] using [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] web services. It shows how the data, [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]], and [[structural metadata>>doc:sdmx:Glossary.Structural metadata.WebHome]] are used to build a web dissemination system. 14 14 15 15 [[image:image-20250318221512-1.jpeg||data-xwiki-image-style-alignment="center"]] 16 16 17 17 (% style="text-align: center;" %) 18 -**{{id name="image_47"/}}Figure 47: Process flow of an SDMX Web Data Dissemination System** 18 +**{{id name="image_47"/}}Figure 47: Process flow of an [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] Web Data Dissemination System** 19 19 20 20 (% style="width:753.446px" %) 21 21 |**Process**|(% style="width:670px" %)**Description** 22 -|1|(% style="width:670px" %)Retrieve the DSD from a structural metadata source (e.g. an SDMX Registry), and create database tables. 23 -|2|(% style="width:670px" %)Read an SDMX data set file and load the data into the database 24 -|3|(% style="width:670px" %)Data discovery system continually synchronises its metadata with the structural metadata source. A user makes a data selection from choices built from the information held in an SDMX Registry (structural metadata such as category scheme, dataflow, DSD, data provider, provision agreements and data registration) 25 -|3|(% style="width:670px" %)These choices are logical choices, built from the dimension selections. 26 -|5|(% style="width:670px" %)The logical choice is formatted as an SDMX data query. This is passed to the Data Base which responds with an SDMX data set. 27 -|6|(% style="width:670px" %)Reference metadata relevant to the data returned is retrieved from a metadata repository. 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 or MSD. 22 +|1|(% style="width:670px" %)Retrieve the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] from a [[structural metadata>>doc:sdmx:Glossary.Structural metadata.WebHome]] source (e.g. an [[SDMX Registry>>doc:sdmx:Glossary.SDMX Registry.WebHome]]), and create database tables. 23 +|2|(% style="width:670px" %)Read an [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] [[data set>>doc:sdmx:Glossary.Data set.WebHome]] file and load the data into the database 24 +|3|(% style="width:670px" %)Data discovery system continually synchronises its metadata with the [[structural metadata>>doc:sdmx:Glossary.Structural metadata.WebHome]] source. A user makes a data selection from choices built from the information held in an [[SDMX Registry>>doc:sdmx:Glossary.SDMX Registry.WebHome]] ([[structural metadata>>doc:sdmx:Glossary.Structural metadata.WebHome]] such as [[category scheme>>doc:sdmx:Glossary.Category scheme.WebHome]], [[dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]], [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]], [[data provider>>doc:sdmx:Glossary.Data provider.WebHome]], [[provision agreements>>doc:sdmx:Glossary.Provision agreement.WebHome]] and data registration) 25 +|3|(% style="width:670px" %)These choices are logical choices, built from the [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] selections. 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 +|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, (% 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 32 32 === 16.3.1 Schematic === 33 33 34 -The following structural metadata and provisioning metadata is used in the scenario. 34 +The following [[structural metadata>>doc:sdmx:Glossary.Structural metadata.WebHome]] and provisioning metadata is used in the scenario. 35 35 36 36 [[image:image-20250318221512-2.jpeg||data-xwiki-image-style-alignment="center"]] 37 37 ... ... @@ -40,7 +40,7 @@ 40 40 41 41 === 16.3.2 Data Structure Definition === 42 42 43 -For the reasons of clarity a sub set of the contents of the Code Lists and Concept Schemes are used in this example, and only a few of the DSD Attributes are used. 43 +For the reasons of clarity a sub set of the contents of the [[Code Lists>>doc:sdmx:Glossary.Code list.WebHome]] and [[Concept Schemes>>doc:sdmx:Glossary.Concept scheme.WebHome]] are used in this example, and only a few of the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] [[Attributes>>doc:sdmx:Glossary.Attribute.WebHome]] are used. 44 44 45 45 (% class="wikigeneratedid" id="HDimensions" %) 46 46 **Dimensions** ... ... @@ -75,7 +75,7 @@ 75 75 (% style="text-align: center;" %) 76 76 **{{id name="image_49"/}}Figure 49: User Case - Create Database Tables from DSD** 77 77 78 -The following SDMX-ML is extracted from the Registry using the REST query http:~/~/[ ws-entry-point]/DataStructure_ECB/ECB_EXR1 78 +The following [[SDMX-ML>>doc:sdmx:Glossary.SDMX-ML.WebHome]] is extracted from the Registry using the REST query http:~/~/[ ws-entry-point]/DataStructure_ECB/ECB_EXR1 79 79 80 80 (% class="wikigeneratedid" id="HDimensions" %) 81 81 **Dimensions**