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Last modified by Artur on 2025/09/30 12:30
From version 14.2
edited by Helena
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To version 14.4
edited by Helena
on 2025/06/06 17:27
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163 163  1. //**Gateway exchange**~:// Gateway exchanges are an organized set of bilateral exchanges, in which several data and metadata collecting organizations or individuals agree to exchange the collected information with each other in a single, known format, and according to a single, known process. This pattern has the effect of reducing the burden of managing multiple bilateral exchanges (in data and metadata collection) across the sharing organizations/individuals. This is also a very common process pattern in the statistical area, where communities of institutions agree on ways to gain efficiencies within the scope of their collective responsibilities.
164 164  1. //**Data-sharing exchange**~:// Open, freely available data formats and process patterns are known and standard. Thus, any organization or individual can use any counterparty’s data and metadata (assuming they are permitted access to it). This model requires no bilateral agreement, but only requires that data and metadata providers and consumers adhere to the standards.
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168 -[[image:SDMX 3.1 Section 1.png]]
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170 -**Figure 1: High Level Schematic of Major Artefacts in the SDMX 3.0 Information Model**
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173 173  == 3.2 SDMX and Process Automation ==
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175 175  Statistical data and metadata exchanges employ many different automated processes, but some are of more general interest than others. There are some common information technologies that are nearly ubiquitous within information systems today. [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] aims to provide standards that are most useful for these automated processes and technologies.
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177 177  Briefly, these can be described as:
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179 179  1. //**Batch Exchange of Data and Metadata**~:// The transmission of whole or partial databases between counterparties, including incremental updating.
180 -1. //**Provision of Data and Metadata on the Internet**~:// Internet technology - including its use in private or semi-private TCP/IP networks - is extremely common. This technology includes XML, JSON and REST web services as primary mechanisms for automating data and metadata provision, as well as the more traditional static HTML and database-driven publishing. //Generic Processes~:// While many applications and processes are specific to some set of data and metadata, other types of automated services and processes are designed to handle any type of statistical data and metadata whatsoever. This is particularly true in cases where portal sites and data feeds are made available on the Internet.
173 +1. //**Provision of Data and Metadata on the Internet**~:// Internet technology - including its use in private or semi-private TCP/IP networks - is extremely common. This technology includes XML, JSON and REST web services as primary mechanisms for automating data and metadata provision, as well as the more traditional static HTML and database-driven publishing.
174 +1. //**Generic Processes**~:// While many applications and processes are specific to some set of data and metadata, other types of automated services and processes are designed to handle any type of statistical data and metadata whatsoever. This is particularly true in cases where portal sites and data feeds are made available on the Internet.
181 181  1. //**Presentation and Transformation of Data**~:// In order to make data and metadata useful to consumers, they must support automated processes that transform them into application-specific processing formats, other standard formats, and presentational formats. Although not strictly an aspect of exchange, this type of automated processing represents a set of requirements that must be supported if the information exchange between counterparties is itself to be supported.
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183 183  == 3.3 Statistical Data and Metadata ==
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211 211  It is important to note that [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] is primarily focused on the //exchange// and //dissemination// of statistical data and metadata. There may also be many uses for the standard model and formats specified here in the context of internal processing of data that are not concerned with the exchange between organizations and users, however. It is felt that a clear, standard formatting of data and metadata for the purposes of exchange and dissemination can also facilitate internal processing by organizations and users, but this is not the focus of the specification.
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207 +[[image:SDMX%203.1%20Section%201.png]]
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209 +**Figure 1: High Level Schematic of Major Artefacts in the SDMX 3.0 Information Model**
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213 213  == 3.4 The SDMX View of Statistical Exchange ==
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215 215  (% style="color:#e74c3c" %)Version(%%) 1.0 of ISO/TS 17369 [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] covered statistical [[data sets>>doc:sdmx:Glossary.Data set.WebHome]] and the metadata related to the structure of these [[data sets>>doc:sdmx:Glossary.Data set.WebHome]]. This scope was useful in supporting the different models of statistical exchange (bilateral exchange, gateway exchange, and data-sharing) but was not by itself sufficient to support them completely. (% style="color:#e74c3c" %)Versions(%%) 2.0 and 2.1 provide a much more complete view of statistical exchange, so that an open data-sharing model can be fully supported, and other models of exchange can be more completely automated. In order to produce technical standards that will support this increased scope, the [[SDMX Information Model>>doc:sdmx:Glossary.SDMX Information Model.WebHome]] provides a broader set of formal objects which describe the actors, processes, and resources within statistical exchanges.
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