Changes for page Standardising Reference Metadata Reporting in SDMX

Last modified by Artur K. on 2026/05/29 14:29

From version 2.1

edited by Artur K.
on 2026/05/29 14:29

Change comment: Copied from sdmxsrlocalization:Methodology.Standardising Reference Metadata Reporting in SDMX.WebHome

To version 1.1

edited by Helena K.
on 2026/01/15 16:35

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--xwiki:XWiki.arturkryazhev
++xwiki:XWiki.helena

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@@ -58,7 +58,7 @@
  |**Define metadata for artefact types which are not a dataset**|Yes|No
  |**Relate/exchange metadata tightly with data**|No|Yes
  |**Use same SDMX tools as for data exchange**|No|Yes
--|**Reduce amount of artefacts to implement**|Maybe{{footnote}}This may be possible, depending on the current implementation such as if an MSD is already implemented{{/footnote}}|Yes
++|**Reduce amount of artefacts to implement**|Maybe[[(% class="wikiinternallink wikiinternallink wikiinternallink" %)^^~[3~]^^>>path:#_ftn3]]|Yes
  Table 1: Advantages of implementing reference metadata exchange using DSDs or MSDs
@@ -134,10 +134,10 @@
 . Create a mapping between the agency's existing metadata concepts and the Global MCS, or MSD derived from it. This mapping is an SDMX Structure Set (which is used to map concepts and codes in different structures) and is stored and shared in the agency's SDMX registry;
 . create or adopt a system component that acts as a proxy to the existing agency's metadata component. The component does the following:
--1*. a. takes input from the agency's metadata component (the agency's metadata XML);
--1*. b. **transforms** the input XML to SDMX (the agency's metadata framework);
--1*. c. **transcodes** the SDMX by applying the mapping created in step 1. The result is an SDMX metadata message that matches the Global MCS, or MSD;
--1*. d. outputs the resulting SDMX with an SDMX web service
++11. takes input from the agency's metadata component (the agency's metadata XML);
++11. **transforms** the input XML to SDMX (the agency's metadata framework);
++11. **transcodes** the SDMX by applying the mapping created in step 1. The result is an SDMX metadata message that matches the Global MCS, or MSD;
++11. outputs the resulting SDMX with an SDMX web service
  Later work could be considered for further efficiency gains:
@@ -166,7 +166,7 @@
  = MAINTENANCE OF THE GLOBAL METADATA CONCEPT SCHEME =
--The concepts in the Global MCS are a subset of the concepts in the SDMX Glossary{{footnote}}https://sdmx.org/wp-content/uploads/SDMX_Glossary_Version_2_0_October_2018.docx{{/footnote}} (which defines the entire cross-domain concept scheme). Therefore, changes or additions to reference metadata concepts in the SDMX Glossary will result in a revision to the Global MCS. Conversely, requests to change the Global MCS will be considered in future revisions of the SDMX Glossary.
++The concepts in the Global MCS are a subset of the concepts in the SDMX Glossary[[(% class="wikiinternallink wikiinternallink wikiinternallink" %)^^~[4~]^^>>path:#_ftn4]](%%) (which defines the entire cross-domain concept scheme). Therefore, changes or additions to reference metadata concepts in the SDMX Glossary will result in a revision to the Global MCS. Conversely, requests to change the Global MCS will be considered in future revisions of the SDMX Glossary.
  Requests to extend the Global MCS or change this guideline should be sent to the SDMX Statistical Working Group (swg@sdmx.org).
@@ -179,12 +179,13 @@
 . (in an MSD) the associated SDMX artefact type, e.g. Dataset; Dataflow; Provision agreement;
 . the associated “level” within the artefact, e.g. for a Dataset: Dataset; Series; Observation.
++
++
  These are some example attachments, others are possible:
--* the “Contact” concept may be attached to a Dataset artefact at the Dataset level;
--* the “Adjustment” concept may be attached to a Dataset artefact at the Series level;
--* the “Statistical population” concept may be attached to a Codelist artefact.
++         the “Contact” concept may be attached to a Dataset artefact at the Dataset level;              the “Adjustment” concept may be attached to a Dataset artefact at the Series level;          the “Statistical population” concept may be attached to a Codelist artefact.
++
  This version of the proposal does not include an attachment recommendation for each concept. Recommended attachments may be provided in a future version of this guideline based on the feedback and forthcoming implementations. If you have any questions on how to attach reference metadata, please contact the SDMX Statistical Working Group (swg@sdmx.org).
  == List of Reference Metadata Concepts ==
@@ -203,6 +203,7 @@
  |**Data source**|Location or service from where data or metadata can be obtained.|DATA_SOURCE
  |**Compiling agency**|(((
  Organisation collecting and/or elaborating the data being reported.
++
  //Example usage: if an organisation receives data from a member agency and publishes it, the “Compiling agency” concept would be the member agency.//
  )))|COMPILING_ORG
  |**Dissemination agency**|Organisation disseminating the data being reported.|DISS_ORG
@@ -209,6 +209,7 @@
  |**Name**|**Definition**|**Concept ID**
  |**Contact**|(((
  Individual or organisational contact points for the data or metadata.
++
  //Recommended usage. Use~://
  * //either the summary “Contact” concept but not the granular “Contact xxx” concepts,//
@@ -223,7 +223,7 @@
  //Example usage: if an organisation receives data from a member agency and publishes it, the “Contact organisation” concept would usually be the publishing organisation.//
  )))|CONTACT_ORGANISATION
--|**Contact organisation unit**|Addressable subdivision of an organisation.|ORGANISATION_UNIT
++|**Contact organisation unit**|Addressable       subdivision         of           an organisation.|ORGANISATION_UNIT
  |**Contact person function**|(((
  Area of technical responsibility of the contact, such as “methodology”, “database management” or
@@ -231,248 +231,305 @@
  )))|CONTACT_FUNCT
  |**Contact phone number**|Telephone number of the contact points for the data or metadata.|CONTACT_PHONE
++
++
  === LEGAL AND INSTITUTIONAL ENVIRONMENT ===
--|(% style="width:417px" %)**Name**|(% style="width:1392px" %)**Definition**|(% style="width:264px" %)**Concept ID**
--|(% style="width:417px" %)**Institutional mandate**|(% style="width:1392px" %)(((
++|**Name**|**Definition**|**Concept ID**
++|**Institutional mandate**|(((
  Set of rules or other formal set of instructions assigning responsibility as well as the authority to an organisation for the collection, processing, and dissemination of statistics.
++
  //Recommended usage. Use~://
  * //either the summary “Institutional mandate” concept but not the granular “Institutional mandate xxx” concepts,//
  * //or the granular “Institutional mandate xxx” concepts but not the “Institutional mandate” concept.//
--)))|(% style="width:264px" %)INST_MANDATE
--|(% style="width:417px" %)**Institutional mandate – data sharing**|(% style="width:1392px" %)Arrangements or procedures for data sharing and coordination between data producing agencies.|(% style="width:264px" %)INST_MAN_SHAR
--|(% style="width:417px" %)**Institutional mandate – legal acts and other agreements**|(% style="width:1392px" %)Legal acts or other formal or informal agreements that assign responsibility as well as the authority to an Agency for the collection, processing, and dissemination of statistics.|(% style="width:264px" %)INST_MAN_LA_OA
--|(% style="width:417px" %)**Confidentiality**|(% style="width:1392px" %)(((
++)))|INST_MANDATE
++|**Institutional mandate – data sharing**|Arrangements or procedures for data sharing and coordination between data producing agencies.|INST_MAN_SHAR
++|**Institutional mandate - legal acts and other agreements**|Legal acts or other formal or informal agreements that assign responsibility as well as the authority to an Agency for the collection, processing, and dissemination of statistics.|INST_MAN_LA_OA
++|**Confidentiality**|(((
  Property of data indicating whether they are subject to dissemination restrictions.
++
  //Recommended usage. Use~://
--* //either the summary “Confidentiality” concept but not the granular “Confidentiality xxx” concepts,//
++* //either the summary “Confidentiality” concept but not the granular//
++
++//“Confidentiality xxx” concepts,//
++
  * //or the granular “Confidentiality xxx” concepts but not the “Confidentiality” concept.//
--)))|(% style="width:264px" %)CONF
--|(% style="width:417px" %)**Confidentiality - data treatment**|(% style="width:1392px" %)Rules applied for treating the Data Set to ensure that private information from individual units cannot be accessed and to prevent unauthorised disclosure.|(% style="width:264px" %)CONF_DATA_TR
--|(% style="width:417px" %)**Confidentiality - policy**|(% style="width:1392px" %)Legislative measures or other formal procedures which prevent unauthorised disclosure of data that identify a person or economic entity either directly or indirectly.|(% style="width:264px" %)CONF_POLICY
--|(% style="width:417px" %)**Professionalism**|(% style="width:1392px" %)(((
++)))|CONF
++|**Confidentiality - data treatment**|Rules applied for treating the Data Set to ensure that private information from individual units cannot be accessed and to prevent unauthorised disclosure.|CONF_DATA_TR
++|**Confidentiality - policy**|Legislative measures or other formal procedures which prevent unauthorised disclosure of data that identify a person or economic entity either directly or indirectly.|CONF_POLICY
++
++
++
++|**Name**|**Definition**|**Concept ID**
++|**Professionalism**|(((
  Standard, skill and ability suitable for producing statistics of good quality.
++
  //Recommended usage. Use~://
--* //either the summary “Professionalism” concept but not the granular “Professionalism xxx” concepts,//
++* //either the summary “Professionalism” concept but not the granular//
++
++//“Professionalism xxx” concepts,//
++
  * //or the granular “Professionalism xxx” concepts but not the “Professionalism” concept.//
--)))|(% style="width:264px" %)PROF
--|(% style="width:417px" %)**Professionalism - code of conduct**|(% style="width:1392px" %)Provisions for assuring the qualifications of staff and allowing staff to perform their functions without intervention motivated by non-statistical objectives.|(% style="width:264px" %)PROF_COND
--|(% style="width:417px" %)**Professionalism - impartiality**|(% style="width:1392px" %)Elements providing assurances that statistics are developed, produced and disseminated in a neutral (impartial) manner, and that all users are given equal treatment.|(% style="width:264px" %)PROF_IMP
--|(% style="width:417px" %)**Professionalism - methodology**|(% style="width:1392px" %)Elements providing assurances that the choices of sources and statistical techniques as well as decisions about dissemination are informed solely by statistical considerations.|(% style="width:264px" %)PROF_METH
--|(% style="width:417px" %)**Professionalism - statistical commentary**|(% style="width:1392px" %)Elements providing assurances that the statistical entity is entitled to comment on erroneous interpretation and misuse of statistics.|(% style="width:264px" %)PROF_STAT_COM
--|(% style="width:417px" %)**Name**|(% style="width:1392px" %)**Definition**|(% style="width:264px" %)**Concept ID**
--|(% style="width:417px" %)**Cost and burden**|(% style="width:1392px" %)(((
++)))|PROF
++|**Professionalism - code of conduct**|Provisions for assuring the qualifications of staff and allowing staff to perform their functions without intervention motivated by non-statistical objectives.|PROF_COND
++|**Professionalism - impartiality**|Elements providing assurances that statistics are developed, produced and disseminated in a neutral (impartial) manner, and that all users are given equal treatment.|PROF_IMP
++|**Professionalism - methodology**|Elements providing assurances that the choices of sources and statistical techniques as well as decisions about dissemination are informed solely by statistical considerations.|PROF_METH
++|**Professionalism - statistical commentary**|Elements providing assurances that the statistical entity is entitled to comment on erroneous interpretation and misuse of statistics.|PROF_STAT_COM
++|**Name**|**Definition**|**Concept ID**
++|**Cost and burden**|(((
  Cost associated with the collection and production of a statistical product, as well as the burden imposed on respondents.
++
  //Recommended usage. Use~://
  * //either the summary “Cost and burden” concept but not the granular “Cost and burden xxx” concepts,//
  * //or the granular “Cost and burden xxx” concepts but not the “Cost and burden” concept.//
--)))|(% style="width:264px" %)COST_BURDEN
--|(% style="width:417px" %)**Cost and burden - efficiency management**|(% style="width:1392px" %)Cost-benefit analysis, effectiveness of execution of medium term statistical programmes, and ensuring efficient use of resources.|(% style="width:264px" %)COST_BURDEN_EFF
--|(% style="width:417px" %)**Cost and burden – resources**|(% style="width:1392px" %)Metadata element providing assurances that staff, facilities, computing resources, and financing to undertake statistical production are commensurate with statistical programs.|(% style="width:264px" %)COST_BURDEN_RES
++)))|COST_BURDEN
++|**Cost and burden - efficiency management**|Cost-benefit analysis, effectiveness of execution of medium term statistical programmes, and ensuring efficient use of resources.|COST_BURDEN_EFF
++|**Cost and burden – resources**|Metadata element providing assurances that staff, facilities, computing resources, and financing to undertake statistical production are commensurate with statistical programs.|COST_BURDEN_RES
  === SCOPE ===
--|(% style="width:416px" %)**Name**|(% style="width:1394px" %)**Definition**|**Concept ID**
--|(% style="width:416px" %)**Statistical population**|(% style="width:1394px" %)Total membership or population or “universe” of a defined class of people, objects or events.|STAT_POP
--|(% style="width:416px" %)**Reference area**|(% style="width:1394px" %)Country or geographic area to which the measured statistical phenomenon relates.|REF_AREA
--|(% style="width:416px" %)**Coverage**|(% style="width:1394px" %)(((
++|**Name**|**Definition**|**Concept ID**
++|**Statistical population**|Total membership or population or “universe” of a defined class of people, objects or events.|STAT_POP
++|**Reference area**|Country or geographic area to which the measured statistical phenomenon relates.|REF_AREA
++|**Coverage**|(((
  Definition of the scope of the data compiled.
++
  //Recommended usage. Use~://
  * //either the summary “Coverage” concept but not the granular “xxx coverage” concepts and/or “Economic sector” concept,//
  * //or the granular “xxx coverage” concepts and/or “Economic sector” but not the “Coverage” concept.//
  )))|COVERAGE
--|(% style="width:416px" %)**Name**|(% style="width:1394px" %)**Definition**|**Concept ID**
--|(% style="width:416px" %)**Geographical coverage**|(% style="width:1394px" %)(((
++|**Name**|**Definition**|**Concept ID**
++|**Geographical coverage**|(((
  Characterisation of the statistical units according to geographical criteria.
++
  //Example usage: May exclude small parts of the national territory amounting to no more than 2% of the national population and the national territories.//
  )))|COVERAGE_GEO
--|(% style="width:416px" %)**Population coverage**|(% style="width:1394px" %)Definition of the main types of population covered by the statistics.|COVERAGE_POP
--|(% style="width:416px" %)**Sector coverage**|(% style="width:1394px" %)Sector(s) covered by the statistics.|COVERAGE_SECTOR
--|(% style="width:416px" %)**Economic sector**|(% style="width:1394px" %)High-level grouping of economic activities based on the types of goods and services produced.|ECO_SECTOR
--|(% style="width:416px" %)**Time coverage**|(% style="width:1394px" %)Period of time for which data are provided.|COVERAGE_TIME
++|**Population coverage**|Definition of the main types of population covered by the statistics.|COVERAGE_POP
++|**Sector coverage**|Sector(s) covered by the statistics.|COVERAGE_SECTOR
++|**Economic sector**|High-level grouping of economic activities based on the types of goods and services produced.|ECO_SECTOR
++|**Time coverage**|Period of time for which data are provided.|COVERAGE_TIME
  === METHODOLOGICAL INFORMATION ===
  **//Data presentation//**
--|(% style="width:411px" %)**Name**|(% style="width:1399px" %)**Definition**|(% style="width:263px" %)**Concept ID**
--|(% style="width:411px" %)**Data description**|(% style="width:1399px" %)Metadata element describing the main characteristics of the Data Set in an easily understandable manner, referring to the main data and indicators disseminated.|(% style="width:263px" %)DATA_DESCR
++|**Name**|**Definition**|**Concept ID**
++|**Data description**|Metadata element describing the main characteristics of the Data Set in an easily understandable manner, referring to the main data and indicators disseminated.|DATA_DESCR
  **//Other Methodological Information//**
--|(% style="width:408px" %)**Name**|(% style="width:1403px" %)**Definition**|(% style="width:261px" %)**Concept ID**
--|(% style="width:408px" %)**Source data type**|(% style="width:1403px" %)Characteristics and components of the raw statistical data used for compiling statistical aggregates.|(% style="width:261px" %)SOURCE_TYPE
--|(% style="width:408px" %)**Data collection method**|(% style="width:1403px" %)Method applied for gathering data for official statistics.|(% style="width:261px" %)COLL_METHOD
--|(% style="width:408px" %)**Reference period**|(% style="width:1403px" %)Timespan or point in time to which the measured observation is intended to refer.|(% style="width:261px" %)REF_PERIOD
--|(% style="width:408px" %)**Base period**|(% style="width:1403px" %)Period of time used as the base of an index number, or to which a constant series refers.|(% style="width:261px" %)BASE_PER
++|**Name**|**Definition**|**Concept ID**
++|**Source data type**|Characteristics and components of the raw statistical data used for compiling statistical aggregates.|SOURCE_TYPE
++|**Data collection method**|Method applied for gathering data for official statistics.|COLL_METHOD
++|**Reference period**|Timespan or point in time to which the measured observation is intended to refer.|REF_PERIOD
++|**Base period**|Period of time used as the base of an index number, or to which a constant series refers.|BASE_PER
--|(% style="width:411px" %)**Name**|(% style="width:1401px" %)**Definition**|(% style="width:260px" %)**Concept ID**
--|(% style="width:411px" %)**Base weight**|(% style="width:1401px" %)Weights of a weighting system for an index number computed according to the information relating to the base period instead, for example, of the current period.|(% style="width:260px" %)BASE_WEIGHT
--|(% style="width:411px" %)**Frequency of observation**|(% style="width:1401px" %)Time interval at which observations occur over a given time period.|(% style="width:260px" %)FREQ
--|(% style="width:411px" %)**Frequency of data collection**|(% style="width:1401px" %)Time interval at which the source data are collected.|(% style="width:260px" %)FREQ_COLL
--|(% style="width:411px" %)**Classification system**|(% style="width:1401px" %)Metadata element used to a) list the classification(s) being used for a given Data Set or set of Data Sets, and b) describe how these conform to internationally agreed standards, guidelines, or good practices.|(% style="width:260px" %)CLASS_SYSTEM
--|(% style="width:411px" %)**Statistical concepts and definitions**|(% style="width:1401px" %)Definitions and descriptions of the main variables provided.|(% style="width:260px" %)STAT_CONC_DEF
--|(% style="width:411px" %)**Statistical unit**|(% style="width:1401px" %)Entity for which information is sought and for which statistics are ultimately compiled.|(% style="width:260px" %)STAT_UNIT
--|(% style="width:411px" %)**Unit of measure**|(% style="width:1401px" %)Unit in which the data values are expressed.|(% style="width:260px" %)UNIT_MEASURE
--|(% style="width:411px" %)**Accounting conventions**|(% style="width:1401px" %)Practical procedures, standards and other aspects used when compiling data from diverse sources under a common methodological framework.|(% style="width:260px" %)ACC_CONV
--|(% style="width:411px" %)**Valuation**|(% style="width:1401px" %)Definition of the price per unit, for goods and services flows and asset stocks.|(% style="width:260px" %)VALUATION
++|**Name**|**Definition**|**Concept ID**
++|**Base weight**|Weights of a weighting system for an index number computed according to the information relating to the base period instead, for example, of the current period.|BASE_WEIGHT
++|**Frequency of observation**|Time interval at which observations occur over a given time period.|FREQ
++|**Frequency of data collection**|Time interval at which the source data are collected.|FREQ_COLL
++|**Classification system**|Metadata element used to a) list the classification(s) being used for a given Data Set or set of Data Sets, and b) describe how these conform to internationally agreed standards, guidelines, or good practices.|CLASS_SYSTEM
++|**Statistical concepts and definitions**|Definitions and descriptions of the main variables provided.|STAT_CONC_DEF
++|**Statistical unit**|Entity for which information is sought and for which statistics are ultimately compiled.|STAT_UNIT
++|**Unit of measure**|Unit       in which               the         data values                are expressed.|UNIT_MEASURE
++|**Accounting conventions**|Practical procedures, standards and other aspects used when compiling data from diverse sources under a common methodological framework.|ACC_CONV
++|**Valuation**|Definition of the price per unit, for goods and services flows and asset stocks.|VALUATION
  === STATISTICAL PROCESSING ===
--|(% style="width:415px" %)**Name**|(% style="width:1400px" %)**Definition**|(% style="width:257px" %)**Concept ID**
--|(% style="width:415px" %)**Data compilation**|(% style="width:1400px" %)Operations performed on data to derive new information according to a given set of rules.|(% style="width:257px" %)DATA_COMP
--|(% style="width:415px" %)**Adjustment**|(% style="width:1400px" %)(((
++|**Name**|**Definition**|**Concept ID**
++|**Data compilation**|Operations performed on data to derive new information according to a given set of rules.|DATA_COMP
++|**Adjustment**|(((
  Set of procedures employed to modify statistical data to enable it to conform to national or international standards or to address data quality differences when compiling specific Data Sets.
++
  //Recommended usage. Use~://
  * //either the summary “Adjustment” concept but not the granular “xxx adjustment” concepts,//
  * //or the granular “xxx adjustment” concepts but not the “Adjustment” concept.//
--)))|(% style="width:257px" %)ADJUSTMENT
--|(% style="width:415px" %)**Price adjustment**|(% style="width:1400px" %)Statistical technique used to remove the effects of price influences operating on a data series.|(% style="width:257px" %)PRICE_ADJUST
--|(% style="width:415px" %)**Seasonal adjustment**|(% style="width:1400px" %)Statistical technique used to remove the effects of seasonal and calendar influences operating on a data series.|(% style="width:257px" %)SEASONAL_ADJUST
--|(% style="width:415px" %)**Data validation**|(% style="width:1400px" %)Process of monitoring the results of data compilation and ensuring the quality of the statistical results.|(% style="width:257px" %)DATA_VALIDATION
--|(% style="width:415px" %)**Data revision**|(% style="width:1400px" %)(((
++)))|ADJUSTMENT
++|**Price adjustment**|Statistical technique used to remove the effects of price influences operating on a data series.|PRICE_ADJUST
++|**Seasonal adjustment**|Statistical technique used to remove the effects of seasonal and calendar influences operating on a data series.|SEASONAL_ADJUST
++|**Data validation**|Process of monitoring the results of data compilation and ensuring the quality of the statistical results.|DATA_VALIDATION
++|**Data revision**|(((
  Change in a value of a statistic released to the public.
++
  //Recommended usage. Use~://
  * //either the summary “Data revision” concept but not the granular “Data revision xxx” concepts,//
  * //or the granular “Data revision xxx” concepts but not the “Data revision” concept.//
--)))|(% style="width:257px" %)DATA_REV
--|(% style="width:415px" %)**Data revision - policy**|(% style="width:1400px" %)Policy aimed at ensuring the transparency of disseminated data, whereby preliminary data are compiled that are later revised.|(% style="width:257px" %)REV_POLICY
--|(% style="width:415px" %)**Data revision - practice**|(% style="width:1400px" %)Information on the data revision practice.|(% style="width:257px" %)REV_PRACTICE
--|(% style="width:415px" %)**Data revision - studies**|(% style="width:1400px" %)Information about data revision studies and analyses.|(% style="width:257px" %)REV_STUDY
--|(% style="width:415px" %)**Imputation**|(% style="width:1400px" %)Procedure for entering a value for a specific data item where the response is missing or unusable.|(% style="width:257px" %)IMPUTATION
--|(% style="width:415px" %)**Imputation rate**|(% style="width:1400px" %)Ratio of the number of replaced values to the total number of values for a given variable.|(% style="width:257px" %)IMPUTATION_RATE
++)))|DATA_REV
++|**Data revision - policy**|Policy aimed at ensuring the transparency of disseminated data, whereby preliminary data are compiled that are later revised.|REV_POLICY
++|**Data revision - practice**|Information on the data revision practice.|REV_PRACTICE
++|**Name**|**Definition**|**Concept ID**
++|**Data revision - studies**|Information about data revision studies and analyses.|REV_STUDY
++|**Imputation**|Procedure for entering a value for a specific data item where the response is missing or unusable.|IMPUTATION
++|**Imputation rate**|Ratio of the number of replaced values to the total number of values for a given variable.|IMPUTATION_RATE
  === QUALITY ===
--|(% style="width:418px" %)**Name**|(% style="width:1401px" %)**Definition**|(% style="width:253px" %)**Concept ID**
--|(% style="width:418px" %)**Quality management**|(% style="width:1401px" %)(((
++|**Name**|**Definition**|**Concept ID**
++|**Quality management**|(((
  Systems and frameworks in place within an organisation to manage the quality of statistical products and processes.
++
  //Recommended usage. Use~://
  * //either the summary “Quality management” concept but not the granular “Quality management xxx” concepts,//
  * //or the granular “Quality management xxx” concepts but not the “Quality management” concept.//
--)))|(% style="width:253px" %)QUALITY_MGMNT
--|(% style="width:418px" %)**Quality management - quality assessment**|(% style="width:1401px" %)Overall evaluation of data quality, based on standard quality criteria.|(% style="width:253px" %)QUALITY_ASSMNT
--|(% style="width:418px" %)**Quality management - quality assurance**|(% style="width:1401px" %)Guidelines focusing on quality in general and dealing with quality of statistical programmes, including measures for ensuring the efficient use of resources.|(% style="width:253px" %)QUALITY_ASSURE
--|(% style="width:418px" %)**Quality management - quality documentation**|(% style="width:1401px" %)Documentation on procedures applied for quality management and quality assessment.|(% style="width:253px" %)QUALITY_DOC
++)))|QUALITY_MGMNT
++|**Quality management - quality assessment**|Overall evaluation of data quality, based on standard quality criteria.|QUALITY_ASSMNT
++|**Quality management - quality assurance**|Guidelines focusing on quality in general and dealing with quality of statistical programmes, including measures for ensuring the efficient use of resources.|QUALITY_ASSURE
++|**Quality management - quality documentation**|Documentation on procedures applied for quality management and quality assessment.|QUALITY_DOC
--|(% style="width:419px" %)**Name**|(% style="width:1402px" %)**Definition**|(% style="width:252px" %)**Concept ID**
--|(% style="width:419px" %)**Accuracy**|(% style="width:1402px" %)(((
++|**Name**|**Definition**|**Concept ID**
++|**Accuracy**|(((
  Closeness of computations or estimates to the unknown exact or true values that the statistics were intended to measure.
++
  //Recommended usage. Use~://
  * //either the summary “Accuracy” concept but not the granular “Accuracy - overall”, “Non-sampling error” or “Sampling error” concepts,//
  * //or the granular “Accuracy - overall”, “Non-sampling error” or “Sampling error” concepts but not the “Accuracy” concept.//
--)))|(% style="width:252px" %)ACCURACY
--|(% style="width:419px" %)**Accuracy - overall**|(% style="width:1402px" %)Assessment of accuracy, linked to a certain Data Set or domain, which is summarising the various components into one single measure.|(% style="width:252px" %)ACCURACY_OVERALL
--|(% style="width:419px" %)**Sampling error**|(% style="width:1402px" %)Part of the difference between a population value and an estimate thereof, derived from a random sample, which is due to the fact that only a subset of the population is enumerated.|(% style="width:252px" %)SAMPLING_ERR
--|(% style="width:419px" %)**Non-sampling error**|(% style="width:1402px" %)Error in sample estimates which cannot be attributed to sampling fluctuations.|(% style="width:252px" %)NONSAMPLING_ERR
--|(% style="width:419px" %)**Coverage error**|(% style="width:1402px" %)Error caused by a failure to cover adequately all components of the population being studied, which results in differences between the target population and the sampling frame.|(% style="width:252px" %)COVERAGE_ERR
--|(% style="width:419px" %)**Measurement error**|(% style="width:1402px" %)Error in reading, calculating or recording a numerical value.|(% style="width:252px" %)MEASUREMENT_ERR
--|(% style="width:419px" %)**Non-response error**|(% style="width:1402px" %)Error that occurs when the survey fails to get a response to one, or possibly all, of the questions.|(% style="width:252px" %)NONRESPONSE_ERR
--|(% style="width:419px" %)**Processing error**|(% style="width:1402px" %)Error in final survey results arising from the faulty implementation of correctly planned implementation methods.|(% style="width:252px" %)PROCESSING_ERR
++)))|ACCURACY
++|**Accuracy - overall**|Assessment of accuracy, linked to a certain Data Set or domain, which is summarising the various components into one single measure.|ACCURACY_OVERALL
++|**Sampling error**|Part of the difference between a population value and an estimate thereof, derived from a random sample, which is due to the fact that only a subset of the population is enumerated.|SAMPLING_ERR
++|**Non-sampling error**|Error in sample estimates which cannot be attributed to sampling fluctuations.|NONSAMPLING_ERR
++|**Coverage error**|Error caused by a failure to cover adequately all components of the population being studied, which results in differences between the target population and the sampling frame.|COVERAGE_ERR
++|**Measurement error**|Error in reading, calculating or recording a numerical value.|MEASUREMENT_ERR
++|**Non-response error**|Error that occurs when the survey fails to get a response to one, or possibly all, of the questions.|NONRESPONSE_ERR
++|**Processing error**|Error in final survey results arising from the faulty implementation of correctly planned implementation methods.|PROCESSING_ERR
--|(% style="width:418px" %)**Model assumption error**|(% style="width:1402px" %)Error that occurs due the use of methods, such as calibration, generalised regression estimator, calculation based on full scope or constant scope, benchmarking, seasonal adjustment and other models not included in other accuracy components, in order to calculate statistics or indexes.|(% style="width:252px" %)MODEL_ASSUMP_ERR
--|(% style="width:418px" %)**Coherence**|(% style="width:1402px" %)(((
++
++
++|**Name**|**Definition**|**Concept ID**
++|**Model assumption error**|Error that occurs due the use of methods, such as calibration, generalised regression estimator, calculation based on full scope or constant scope, benchmarking, seasonal adjustment and other models not included in other accuracy components, in order to calculate statistics or indexes.|MODEL_ASSUMP_ERR
++|**Coherence**|(((
  Adequacy of statistics to be reliably combined in different ways and for various uses.
++
  //Recommended usage. Use~://
--* //either the summary “Coherence” concept but not the granular “Coherence xxx” concepts,//
++* //either the summary “Coherence” concept but not the granular//
++
++//“Coherence xxx” concepts,//
++
  * //or the granular “Coherence xxx” concepts but not the “Coherence” concept.//
--)))|(% style="width:252px" %)COHERENCE
--|(% style="width:418px" %)**Coherence - cross domain**|(% style="width:1402px" %)Extent to which statistics are reconcilable with those obtained through other Data Sources or statistical domains.|(% style="width:252px" %)COHER_X_DOM
--|(% style="width:418px" %)**Coherence - internal**|(% style="width:1402px" %)Extent to which statistics are consistent within a given Data Set.|(% style="width:252px" %)COHER_INTERNAL
--|(% style="width:418px" %)**Comparability**|(% style="width:1402px" %)(((
++)))|COHERENCE
++|**Coherence - cross domain**|Extent to which statistics are reconcilable with those obtained through other Data Sources or statistical domains.|COHER_X_DOM
++|**Coherence - internal**|Extent to which statistics are consistent within a given Data Set.|COHER_INTERNAL
++|**Comparability**|(((
  Extent to which differences between statistics can be attributed to differences between the true values of the statistical characteristics.
++
  //Recommended usage. Use~://
--* //either the summary “Comparability” concept but not the granular “Comparability xxx” concepts,//
++* //either the summary “Comparability” concept but not the granular//
++
++//“Comparability xxx” concepts,//
++
  * //or the granular “Comparability xxx” concepts but not the “Comparability” concept.//
--)))|(% style="width:252px" %)COMPARABILITY
--|(% style="width:418px" %)**Comparability - geographical**|(% style="width:1402px" %)Extent to which statistics are comparable between geographical areas.|(% style="width:252px" %)COMPAR_GEO
--|(% style="width:418px" %)**Comparability - over time**|(% style="width:1402px" %)Extent to which statistics are comparable or reconcilable over time.|(% style="width:252px" %)COMPAR_TIME
++)))|COMPARABILITY
++|**Comparability - geographical**|Extent to which statistics are comparable between geographical areas.|COMPAR_GEO
++|**Comparability - over time**|Extent to which statistics are comparable or reconcilable over time.|COMPAR_TIME
--|(% style="width:418px" %)**Name**|(% style="width:1403px" %)**Definition**|(% style="width:252px" %)**Concept ID**
--|(% style="width:418px" %)**Punctuality**|(% style="width:1403px" %)Time lag between the actual delivery of the data and the target date when it should have been delivered.|(% style="width:252px" %)PUNCTUALITY
--|(% style="width:418px" %)**Relevance**|(% style="width:1403px" %)(((
++
++
++|**Name**|**Definition**|**Concept ID**
++|**Punctuality**|Time lag between the actual delivery of the data and the target date when it should have been delivered.|PUNCTUALITY
++|**Relevance**|(((
  Degree to which statistical information meets the real or perceived needs of clients.
++
  //Recommended usage. Use~://
--* //either the summary “Relevance” concept but not the granular “Relevance xxx” concepts,//
++* //either the summary “Relevance” concept but not the granular//
++
++//“Relevance xxx” concepts,//
++
  * //or the granular “Relevance xxx” concepts but not the “Relevance” concept.//
--)))|(% style="width:252px" %)RELEVANCE
--|(% style="width:418px" %)**Relevance - completeness**|(% style="width:1403px" %)Extent to which all statistics that are needed are available.|(% style="width:252px" %)COMPLETENESS
--|(% style="width:418px" %)**Relevance - user needs**|(% style="width:1403px" %)Description of requirements with respect to the statistical output.|(% style="width:252px" %)USER_NEEDS
--|(% style="width:418px" %)**Relevance - user satisfaction**|(% style="width:1403px" %)Description of how well the disseminated statistics meet the expressed user needs.|(% style="width:252px" %)USER_SAT
--|(% style="width:418px" %)**Timeliness**|(% style="width:1403px" %)(((
--Length of time between data availability and the event or phenomenon they describe.
++)))|RELEVANCE
++|**Relevance - completeness**|Extent to which all statistics that are needed are available.|COMPLETENESS
++|**Relevance - user needs**|Description of requirements with respect to the statistical output.|USER_NEEDS
++|**Relevance - user satisfaction**|Description of how well the disseminated statistics meet the expressed user needs.|USER_SAT
++|**Timeliness**|(((
++Length of time between data availability and the event or phenomenon they describe
++
  //Recommended usage. Use~://
--* //either the summary “Timeliness” concept but not the granular “Timeliness xxx” concepts,//
++* //either the summary “Timeliness” concept but not the granular//
++
++//“Timeliness xxx” concepts,//
++
  * //or the granular “Timeliness xxx” concepts but not the “Timeliness” concept.//
--)))|(% style="width:252px" %)TIMELINESS
--|(% style="width:418px" %)**Timeliness - source data**|(% style="width:1403px" %)Time between the end of a reference period and actual receipt of the data by the compiling agency.|(% style="width:252px" %)TIME_SOURCE
++)))|TIMELINESS
++|**Timeliness - source data**|Time between the end of a reference period and actual receipt of the data by the compiling agency.|TIME_SOURCE
  === DISSEMINATION ===
--|(% style="width:417px" %)**Name**|(% style="width:1407px" %)**Definition**|(% style="width:248px" %)**Concept ID**
--|(% style="width:417px" %)**Release policy**|(% style="width:1407px" %)(((
++|**Name**|**Definition**|**Concept ID**
++|**Release policy**|(((
  Rules for disseminating statistical data to interested parties.
++
  //Recommended usage. Use~://
  * //either the summary “Release policy” concept but not the granular “Release policy xxx” concepts,//
  * //or the granular “Release policy xxx” concepts but not the “Release policy” concept.//
--)))|(% style="width:248px" %)REL_POLICY
--|(% style="width:417px" %)**Release policy - release calendar**|(% style="width:1407px" %)Schedule of statistical release dates.|(% style="width:248px" %)REL_CAL_POLICY
--|(% style="width:417px" %)**Release policy - release calendar access**|(% style="width:1407px" %)Description of how the release calendar can be accessed.|(% style="width:248px" %)REL_CAL_ACCESS
--|(% style="width:417px" %)**Release policy - transparency**|(% style="width:1407px" %)Statement describing whether and how the release policy is disseminated to the public.|(% style="width:248px" %)REL_POL_TRA
--|(% style="width:417px" %)**Release policy - user access**|(% style="width:1407px" %)Policy for release of the data to users, scope of dissemination (e.g. to the public, to selected users), how users are informed that the data are being released, and whether the policy determines the dissemination of statistical data to all users.|(% style="width:248px" %)REL_POL_US_AC
--|(% style="width:417px" %)**Frequency of dissemination**|(% style="width:1407px" %)Time interval at which the statistics are disseminated over a given time period.|(% style="width:248px" %)FREQ_DISS
--|(% style="width:417px" %)**Dissemination format**|(% style="width:1407px" %)(((
++)))|REL_POLICY
++|**Release policy - release calendar**|Schedule of statistical release dates.|REL_CAL_POLICY
++|**Release policy - release calendar access**|Description of how the release calendar can be accessed.|REL_CAL_ACCESS
++|**Release policy - transparency**|Statement describing whether and how the release policy is disseminated to the public.|REL_POL_TRA
++|**Release policy - user access**|Policy for release of the data to users, scope of dissemination (e.g. to the public, to selected users), how users are informed that the data are being released, and whether the policy determines the dissemination of statistical data to all users.|REL_POL_US_AC
++|**Frequency of dissemination**|Time interval at which the statistics are disseminated over a given time period.|FREQ_DISS
++|**Dissemination format**|(((
  Media by which statistical data and metadata are disseminated.
++
  //Recommended usage. Use~://
  * //either the summary “Dissemination format” concept but not the granular “Dissemination format xxx” concepts,//
--* //or the granular “Dissemination format xxx” concepts but not the “Dissemination format” concept.//
--)))|(% style="width:248px" %)DISS_FORMAT
--|(% style="width:417px" %)**Dissemination format - microdata access**|(% style="width:1407px" %)Information on whether microdata are also disseminated.|(% style="width:248px" %)MICRO_DAT_ACC
--|(% style="width:417px" %)**Dissemination format - news release**|(% style="width:1407px" %)Regular or ad-hoc press releases linked to the data.|(% style="width:248px" %)NEWS_REL
++* //or the granular “Dissemination format xxx” concepts but not the//
--|(% style="width:422px" %)**Name**|(% style="width:1407px" %)**Definition**|(% style="width:244px" %)**Concept ID**
--|(% style="width:422px" %)**Dissemination format - online database**|(% style="width:1407px" %)Information about on-line databases in which the disseminated data can be accessed.|(% style="width:244px" %)ONLINE_DB
--|(% style="width:422px" %)**Dissemination format - publications**|(% style="width:1407px" %)Regular or ad-hoc publications in which the data are made available to the public.|(% style="width:244px" %)PUBLICATIONS
--|(% style="width:422px" %)**Dissemination format - other formats**|(% style="width:1407px" %)References to the most important other data dissemination done.|(% style="width:244px" %)DISS_OTHER
--|(% style="width:422px" %)**Documentation on methodology**|(% style="width:1407px" %)Descriptive text and references to methodological documents available.|(% style="width:244px" %)DOC_METHOD
--|(% style="width:422px" %)**Documentation on methodology - advance notice**|(% style="width:1407px" %)Policy on notifying the public of changes in methodology, indicating whether the public is notified before a methodological change affects disseminated data and, if so, how long before.|(% style="width:244px" %)ADV_NOTICE
--|(% style="width:422px" %)**Recommended uses and limitations**|(% style="width:1407px" %)Metadata element guiding users with limited knowledge of the statistics presented and helping them determine whether the product meets their requirements.|(% style="width:244px" %)REC_USE_LIM
++//“Dissemination format” concept.//
++)))|DISS_FORMAT
++|**Dissemination format - microdata access**|Information on whether microdata are also disseminated.|MICRO_DAT_ACC
++|**Dissemination format - news release**|Regular or ad-hoc press releases linked to the data.|NEWS_REL
++
++
++|**Name**|**Definition**|**Concept ID**
++|**Dissemination format - online database**|Information about on-line databases in which the disseminated data can be accessed.|ONLINE_DB
++|**Dissemination format - publications**|Regular or ad-hoc publications in which the data are made available to the public.|PUBLICATIONS
++|**Dissemination format - other formats**|References to the most important other data dissemination done.|DISS_OTHER
++|**Documentation on methodology**|Descriptive text and references to methodological documents available.|DOC_METHOD
++|**Documentation on methodology - advance notice**|Policy on notifying the public of changes in methodology, indicating whether the public is notified before a methodological change affects disseminated data and, if so, how long before.|ADV_NOTICE
++|**Recommended uses and limitations**|Metadata element guiding users with limited knowledge of the statistics presented and helping them determine whether the product meets their requirements.|REC_USE_LIM
++
  === MISCELLANEOUS ===
--|(% style="width:423px" %)**Name**|(% style="width:1405px" %)**Definition**|(% style="width:244px" %)**Concept ID**
--|(% style="width:423px" %)**Metadata update**|(% style="width:1405px" %)(((
++|**Name**|**Definition**|**Concept ID**
++|**Metadata update**|(((
  Date on which the metadata element was created or modified.
++
  //Recommended usage. Use~://
  * //either the summary “Metadata update” concept but not the granular “Metadata update xxx” concepts,//
  * //or the granular “Metadata update xxx” concepts but not the “Metadata update” concept.//
--)))|(% style="width:244px" %)META_UPDATE
--|(% style="width:423px" %)**Metadata update - last certified**|(% style="width:1405px" %)Date of the latest certification provided by the domain manager to confirm that the metadata posted are still up-to-date, even if the content has not been amended.|(% style="width:244px" %)META_CERTIFIED
--|(% style="width:423px" %)**Metadata update - last posted**|(% style="width:1405px" %)Date of the latest dissemination of the metadata.|(% style="width:244px" %)META_POSTED
--|(% style="width:423px" %)**Metadata update - last update**|(% style="width:1405px" %)Date of last update of the content of the metadata.|(% style="width:244px" %)META_LAST_UPDATE
--|(% style="width:423px" %)**Comment**|(% style="width:1405px" %)Descriptive text which can be attached to data or metadata.|(% style="width:244px" %)COMMENT
--|(% style="width:423px" %)**Technical information**|(% style="width:1405px" %)Technical details related to the data, for example the storage system used, or technical systems related to the exchange.|(% style="width:244px" %)TECH_INFO
++)))|META_UPDATE
++|**Metadata update - last certified**|Date of the latest certification provided by the domain manager to confirm that the metadata posted are still up-to-date, even if the content has not been amended.|META_CERTIFIED
++|**Metadata update - last posted**|Date of the latest dissemination of the metadata.|META_POSTED
++|**Metadata update - last update**|Date of last update of the content of the metadata.|META_LAST_UPDATE
++|**Comment**|Descriptive text which can be attached to data or metadata.|COMMENT
++|**Technical information**|Technical details related to the data, for example the storage system used, or technical systems related to the exchange.|TECH_INFO
++
++
  ----
++[[~[3~]>>path:#_ftnref3]] This may be possible, depending on the current implementation such as if an MSD is already implemented
++
++[[~[4~]>>path:#_ftnref4]] [[https:~~/~~/sdmx.org/wp>>url:https://sdmx.org/wp-content/uploads/SDMX_Glossary_Version_2_0_October_2018.docx]][[->>url:https://sdmx.org/wp-content/uploads/SDMX_Glossary_Version_2_0_October_2018.docx]][[content/uploads/SDMX_Glossary_Version_2_0_October_2018.docx>>url:https://sdmx.org/wp-content/uploads/SDMX_Glossary_Version_2_0_October_2018.docx]][[ >>url:https://sdmx.org/wp-content/uploads/SDMX_Glossary_Version_2_0_October_2018.docx]]
++
  {{putFootnotes/}}