Changes for page 5 Data Structure Definition and Dataset

Last modified by Artur on 2025/09/10 11:19

From 10.2 to 10.3 From 13.1 to 14.1

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edited by Helena
on 2025/05/19 13:55

Change comment: Update document after refactoring.

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edited by Artur
on 2025/05/22 14:46

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--Methodology.SDMX STANDARDS 3\.0\: SECTION 2\. INFORMATION MODEL\: UML CONCEPTUAL DESIGN.WebHome
++Methodology.SDMX 3\.0 Standards\. Section 2\. Information model\: UML conceptual design.WebHome

Author

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

Content

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--{{box title="**Contents**"}}
--{{toc/}}
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++**Contents**
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++*
++** [[5.1 Introduction>>doc:null||anchor="H5.1Introduction"]]
++** [[5.2 Inheritance View>>doc:null||anchor="H5.2InheritanceView"]]
++*** [[5.2.1 Class Diagram>>doc:null||anchor="H5.2.1ClassDiagram"]]
++*** [[5.2.2 Explanation of the Diagram>>doc:null||anchor="H5.2.2ExplanationoftheDiagram"]]
++**** [[5.2.2.1 Narrative>>doc:null||anchor="H5.2.2.1Narrative"]]
++** [[5.3 Data Structure Definition – Relationship View>>doc:null||anchor="H5.3DataStructureDefinition2013RelationshipView"]]
++*** [[5.3.1 Class Diagram>>doc:null||anchor="H5.3.1ClassDiagram"]]
++*** [[5.3.2 Explanation of the Diagrams>>doc:null||anchor="H5.3.2ExplanationoftheDiagrams"]]
++**** [[5.3.2.1 Narrative>>doc:null||anchor="H5.3.2.1Narrative"]]
++**** [[5.3.2.2 Definitions>>doc:null||anchor="H5.3.2.2Definitions"]]
++** [[5.4 Data Set – Relationship View>>doc:null||anchor="H5.4DataSet2013RelationshipView"]]
++*** [[5.4.1 Context>>doc:null||anchor="H5.4.1Context"]]
++*** [[5.4.2 Class Diagram>>doc:null||anchor="H5.4.2ClassDiagram"]]
++*** [[5.4.3 Explanation of the Diagram>>doc:null||anchor="H5.4.3ExplanationoftheDiagram"]]
++**** [[5.4.3.1 Narrative – Data Set>>doc:null||anchor="H5.4.3.1Narrative2013DataSet"]]
++**** [[5.4.3.2 Definitions>>doc:null||anchor="H5.4.3.2Definitions"]]
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  == 5.1 Introduction ==
  The DataStructureDefiniton is the class name for a structure definition for data. Some organisations know this type of definition as a “Key Family” and so the two names are synonymous. The term [[Data Structure Definition>>doc:xwiki:Glossary.Data structure definition.WebHome]] (also referred to as [[DSD>>doc:xwiki:Glossary.Data structure definition.WebHome]]) is used in this specification.
@@ -22,7 +22,7 @@
  === 5.2.1 Class Diagram ===
--[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_91284c0b.jpg||height="762" width="598"]]
++(% contenteditable="false" tabindex="-1" %)[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_91284c0b.jpg||data-widget="image" height="762" width="598"]]
  **Figure 27 Class inheritance in the Data Structure Definition and Data Set Packages**
@@ -91,7 +91,7 @@
  === 5.3.1 Class Diagram ===
--[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_c415af49.jpg||height="478" width="583"]]
++(% contenteditable="false" tabindex="-1" %)[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_c415af49.jpg||data-widget="image" height="478" width="583"]]
  **Figure 28 Relationship class diagram of the Data Structure Definition excluding representation**
@@ -101,9 +101,9 @@
  A DataStructureDefinition defines the [[Dimensions>>doc:xwiki:Glossary.Dimension.WebHome]], TimeDimension, DataAttributes, and [[Measures>>doc:xwiki:Glossary.Measure.WebHome]], and associated [[Representations>>doc:xwiki:Glossary.Representation.WebHome]], that comprise the valid structure of data and related [[attributes>>doc:xwiki:Glossary.Attribute.WebHome]] that are contained in a [[DataSet>>doc:xwiki:Glossary.Data set.WebHome]], which is defined by a [[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]]. In addition, a DataStructureDefinition may be related to one MetadataStructureDefinition, in order to use the latter’s MetadataAttributes, by relating them to other //[[Components>>doc:xwiki:Glossary.Component.WebHome]]// within the [[DSD>>doc:xwiki:Glossary.Data structure definition.WebHome]], as explained below.
--The [[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]] may also have additional metadata attached that define qualitative information and (% style="color:#2ecc71" %)Constraints(%%) on the use of the DataStructureDefinition such as the subset of [[Codes>>doc:xwiki:Glossary.Code.WebHome]] used in a [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] (this is covered later in this document – see sections “(% style="color:#2ecc71" %)Constraints(%%)” and “Data Provisioning”). Each [[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]] has a maximum of one DataStructureDefinition specified which defines the structure of any [[DataSets>>doc:xwiki:Glossary.Data set.WebHome]] to be reported/disseminated.
++The [[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]] may also have additional metadata attached that define qualitative information and (% style="color:#e74c3c" %)Constraints(%%) on the use of the DataStructureDefinition such as the subset of [[Codes>>doc:xwiki:Glossary.Code.WebHome]] used in a [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] (this is covered later in this document – see sections “(% style="color:#e74c3c" %)Constraints(%%)” and “Data Provisioning”). Each [[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]] has a maximum of one DataStructureDefinition specified which defines the structure of any [[DataSets>>doc:xwiki:Glossary.Data set.WebHome]] to be reported/disseminated.
--There are two types of [[dimensions>>doc:xwiki:Glossary.Dimension.WebHome]] each having a common association to (% style="color:#2ecc71" %)Concept(%%):
++There are two types of [[dimensions>>doc:xwiki:Glossary.Dimension.WebHome]] each having a common association to (% style="color:#e74c3c" %)Concept(%%):
  * [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]]
  * TimeDimension
@@ -110,21 +110,21 @@
  Note that DimensionComponent can be any or all its sub classes i.e., [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]], TimeDimension.
--The //DimensionComponent//, DataAttribute, MetadataAttribute and [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] link to the (% style="color:#2ecc71" %)Concept(%%) that defines its name and semantic (/conceptIdentity association to (% style="color:#2ecc71" %)Concept(%%)). The DataAttribute, [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] (but not TimeDimension) and [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] can optionally have a +conceptRole association with a (% style="color:#2ecc71" %)Concept(%%) that identifies its role in the DataStructureDefinition, or one of the standard pre-defined roles, i.e., those published in "GUIDELINES FOR [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] (% style="color:#2ecc71" %)CONCEPT(%%) ROLES" by the [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] SWG. The use of these roles is to enable applications to process the data in a meaningful way (e.g., relating a [[dimension>>doc:xwiki:Glossary.Dimension.WebHome]] value to a mapping vector). It is expected, beyond the standard roles published by the SWG, that communities (such as the official statistics community) will harmonise such roles within their community so that data can be exchanged and shared in a meaningful way within that community.
++The //DimensionComponent//, DataAttribute, MetadataAttribute and [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] link to the (% style="color:#e74c3c" %)Concept(%%) that defines its name and semantic (/conceptIdentity association to (% style="color:#e74c3c" %)Concept(%%)). The DataAttribute, [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] (but not TimeDimension) and [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] can optionally have a +conceptRole association with a (% style="color:#e74c3c" %)Concept(%%) that identifies its role in the DataStructureDefinition, or one of the standard pre-defined roles, i.e., those published in "GUIDELINES FOR [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] (% style="color:#e74c3c" %)CONCEPT(%%) ROLES" by the [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] SWG. The use of these roles is to enable applications to process the data in a meaningful way (e.g., relating a [[dimension>>doc:xwiki:Glossary.Dimension.WebHome]] value to a mapping vector). It is expected, beyond the standard roles published by the SWG, that communities (such as the official statistics community) will harmonise such roles within their community so that data can be exchanged and shared in a meaningful way within that community.
--The valid values for a //DimensionComponent//, [[Measure>>doc:xwiki:Glossary.Measure.WebHome]], DataAttribute or MetadataAttribute, when used in this DataStructureDefinition, are defined by the [[Representation>>doc:xwiki:Glossary.Representation.WebHome]]. This [[Representation>>doc:xwiki:Glossary.Representation.WebHome]] is taken from the (% style="color:#2ecc71" %)Concept(%%) definition (coreRepresentation) unless it is overridden in this DataStructureDefinition (localRepresentation) – see Figure 28. Note also that TimeDimension is constrained to specific FacetValueTypes. Moreover, the [[Representations>>doc:xwiki:Glossary.Representation.WebHome]] of MetadataAttributes are specified in the corresponding MetadataStructureDefinition, linked by the DataStructureDefinition.
++The valid values for a //DimensionComponent//, [[Measure>>doc:xwiki:Glossary.Measure.WebHome]], DataAttribute or MetadataAttribute, when used in this DataStructureDefinition, are defined by the [[Representation>>doc:xwiki:Glossary.Representation.WebHome]]. This [[Representation>>doc:xwiki:Glossary.Representation.WebHome]] is taken from the (% style="color:#e74c3c" %)Concept(%%) definition (coreRepresentation) unless it is overridden in this DataStructureDefinition (localRepresentation) – see Figure 28. Note also that TimeDimension is constrained to specific FacetValueTypes. Moreover, the [[Representations>>doc:xwiki:Glossary.Representation.WebHome]] of MetadataAttributes are specified in the corresponding MetadataStructureDefinition, linked by the DataStructureDefinition.
  There will always be a DimensionDescriptor grouping that identifies all of the [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] comprising the full key. Together the [[Dimensions>>doc:xwiki:Glossary.Dimension.WebHome]] specify the key of an Observation.
--The //DimensionComponent// can optionally be grouped by multiple GroupDimensionDescriptors each of which identifies the group of [[Dimensions>>doc:xwiki:Glossary.Dimension.WebHome]] that can form a partial key. The GroupDimensionDescriptor must be identified (GroupDimensionDescriptor.id) and this is used in the GroupKey of the [[DataSet>>doc:xwiki:Glossary.Data set.WebHome]] to declare which DataAttributes or MetadataAttributes are reported at this group (% style="color:#2ecc71" %)level(%%) in the [[DataSet>>doc:xwiki:Glossary.Data set.WebHome]].
++The //DimensionComponent// can optionally be grouped by multiple GroupDimensionDescriptors each of which identifies the group of [[Dimensions>>doc:xwiki:Glossary.Dimension.WebHome]] that can form a partial key. The GroupDimensionDescriptor must be identified (GroupDimensionDescriptor.id) and this is used in the GroupKey of the [[DataSet>>doc:xwiki:Glossary.Data set.WebHome]] to declare which DataAttributes or MetadataAttributes are reported at this group (% style="color:#e74c3c" %)level(%%) in the [[DataSet>>doc:xwiki:Glossary.Data set.WebHome]].
--There can be a maximum of one TimeDimension specified in the DimensionDescriptor. The TimeDimension is used to specify the (% style="color:#2ecc71" %)Concept(%%) used to convey the [[time period>>doc:xwiki:Glossary.Time period.WebHome]] of the observation in a [[data set>>doc:xwiki:Glossary.Data set.WebHome]]. The TimeDimension must contain a valid [[representation>>doc:xwiki:Glossary.Representation.WebHome]] of time and cannot be coded.
++There can be a maximum of one TimeDimension specified in the DimensionDescriptor. The TimeDimension is used to specify the (% style="color:#e74c3c" %)Concept(%%) used to convey the [[time period>>doc:xwiki:Glossary.Time period.WebHome]] of the observation in a [[data set>>doc:xwiki:Glossary.Data set.WebHome]]. The TimeDimension must contain a valid [[representation>>doc:xwiki:Glossary.Representation.WebHome]] of time and cannot be coded.
  here can be one or more [[Measures>>doc:xwiki:Glossary.Measure.WebHome]] under the MeasureDescriptor. [[Measures>>doc:xwiki:Glossary.Measure.WebHome]] represent the observable phenomena. Each [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] may have a valid [[representation>>doc:xwiki:Glossary.Representation.WebHome]], a maxOccurs [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] limiting the maximum number of values per [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] (which may be set to 'unbounded' for unlimited occurrences), as well as a minOccurs [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]], indicating the minimum required number of values, when the [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] is reported. If minOccurs or maxOccurs are omitted (they both default to ‘1’), the [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] is considered to take a single value; otherwise, it is an array. Moreover, the usage [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] indicates whether a [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] must be reported or not, by the corresponding values: mandatory or optional.
  The AttributeDescriptor may contain one or more //[[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]]//s, i.e., at least one DataAttribute definition or one MetadataAttribute reference.
--The DataAttribute defines a characteristic of data that are collected or disseminated and is grouped in the DataStructureDefinition by a single AttributeDescriptor. The DataAttribute can be indicated if it must be reported or not, by the corresponding value of the usage [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]]: i.e., mandatory or optional. The property minOccurs specifies the minimum number of array values to be included when the DataAttribute is reported. Moreover, a maxOccurs [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] indicates whether the DataAttribute may need to report more than one values, i.e., an array of values. The DataAttribute may play a specific role in the structure and this is specified by the +role association to the (% style="color:#2ecc71" %)Concept(%%) that identifies its role.
++The DataAttribute defines a characteristic of data that are collected or disseminated and is grouped in the DataStructureDefinition by a single AttributeDescriptor. The DataAttribute can be indicated if it must be reported or not, by the corresponding value of the usage [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]]: i.e., mandatory or optional. The property minOccurs specifies the minimum number of array values to be included when the DataAttribute is reported. Moreover, a maxOccurs [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] indicates whether the DataAttribute may need to report more than one values, i.e., an array of values. The DataAttribute may play a specific role in the structure and this is specified by the +role association to the (% style="color:#e74c3c" %)Concept(%%) that identifies its role.
  The MetadataAttribute defines [[reference metadata>>doc:xwiki:Glossary.Reference metadata.WebHome]] that may be collected or disseminated and is grouped together with DataAttribute under the AttributeDescriptor.
@@ -136,7 +136,7 @@
  * Observation (ObservationRelationship)
  * In addition to the positioning of an //AttributeComponent// within a //[[DataSet>>doc:xwiki:Glossary.Data set.WebHome]]//, another relationship indicates the [[Measure>>doc:xwiki:Glossary.Measure.WebHome]](s) for which the //AttributeComponent// is reported. Regardless of the position of the //AttributeComponent// within the //[[DataSet>>doc:xwiki:Glossary.Data set.WebHome]]//, the //AttributeComponent// may concern one, more than one, or all [[Measures>>doc:xwiki:Glossary.Measure.WebHome]] included in the [[DSD>>doc:xwiki:Glossary.Data structure definition.WebHome]]. This is expressed using the MeasureRelationship class, which relates a DataAttribute to one or more [[Measures>>doc:xwiki:Glossary.Measure.WebHome]]. Lack of the MeasureRelationship defaults to a relationship to all [[Measures>>doc:xwiki:Glossary.Measure.WebHome]].
--[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_f235bfd4.jpg||height="542" width="604"]]
++(% contenteditable="false" tabindex="-1" %)[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_f235bfd4.jpg||data-widget="image" height="542" width="604"]]
  **Figure 29: Attribute Attachment Defined in the Data Structure Definition**
@@ -144,16 +144,16 @@
  (% style="width:839.039px" %)
  |**Relationship**|(% style="width:384px" %)**Meaning**|(% style="width:303px" %)**Location in Data Set at which the Attribute is reported**
--|DataflowRelationship|(% style="width:384px" %)The value of the [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] is fixed for all data contained in the [[dataset>>doc:xwiki:Glossary.Data set.WebHome]]. The [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] value applies to all data defined by the underlying [[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]].|(% style="width:303px" %)The [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] is reported at the [[Dataset>>doc:xwiki:Glossary.Data set.WebHome]] (% style="color:#2ecc71" %)level(%%).
--|[[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] (1..n)|(% style="width:384px" %)The value of the [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] will vary with the value(s) of the referenced [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]](s). In this case, Group(s) to which the [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] should be attached may optionally be specified.|(% style="width:303px" %)The [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] is reported at the lowest (% style="color:#2ecc71" %)level(%%) of the [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] to which the [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] is related, otherwise at the (% style="color:#2ecc71" %)level(%%) of the Group if Attachment Group(s) is specified.
--|Group|(% style="width:384px" %)The value of the [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] varies with combination of values for all of the [[Dimensions>>doc:xwiki:Glossary.Dimension.WebHome]] contained in the Group. This is added as a convenience to listing all [[Dimensions>>doc:xwiki:Glossary.Dimension.WebHome]] and the attachment Group, but should only be used when the [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] value varies based on __all__ Group [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] values.|(% style="width:303px" %)The [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] is reported at the (% style="color:#2ecc71" %)level(%%) of Group.
--|Observation|(% style="width:384px" %)The value of the [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] varies with the observed value.|(% style="width:303px" %)The [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] is reported at the (% style="color:#2ecc71" %)level(%%) of Observation.
++|DataflowRelationship|(% style="width:384px" %)The value of the [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] is fixed for all data contained in the [[dataset>>doc:xwiki:Glossary.Data set.WebHome]]. The [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] value applies to all data defined by the underlying [[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]].|(% style="width:303px" %)The [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] is reported at the [[Dataset>>doc:xwiki:Glossary.Data set.WebHome]] (% style="color:#e74c3c" %)level(%%).
++|[[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] (1..n)|(% style="width:384px" %)The value of the [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] will vary with the value(s) of the referenced [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]](s). In this case, Group(s) to which the [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] should be attached may optionally be specified.|(% style="width:303px" %)The [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] is reported at the lowest (% style="color:#e74c3c" %)level(%%) of the [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] to which the [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] is related, otherwise at the (% style="color:#e74c3c" %)level(%%) of the Group if Attachment Group(s) is specified.
++|Group|(% style="width:384px" %)The value of the [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] varies with combination of values for all of the [[Dimensions>>doc:xwiki:Glossary.Dimension.WebHome]] contained in the Group. This is added as a convenience to listing all [[Dimensions>>doc:xwiki:Glossary.Dimension.WebHome]] and the attachment Group, but should only be used when the [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] value varies based on __all__ Group [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] values.|(% style="width:303px" %)The [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] is reported at the (% style="color:#e74c3c" %)level(%%) of Group.
++|Observation|(% style="width:384px" %)The value of the [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] varies with the observed value.|(% style="width:303px" %)The [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] is reported at the (% style="color:#e74c3c" %)level(%%) of Observation.
--[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_42ff01fb.jpg||height="380" width="590"]]
++(% contenteditable="false" tabindex="-1" %)[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_42ff01fb.jpg||data-widget="image" height="380" width="590"]]
  **Figure 30: Representation of DSD Components**
--Each of [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]], TimeDimension, [[Measure>>doc:xwiki:Glossary.Measure.WebHome]], DataAttribute and MetadataAttribute can have a [[Representation>>doc:xwiki:Glossary.Representation.WebHome]] specified (using the localRepresentation association). If this is not specified in the DataStructureDefinition then the [[representation>>doc:xwiki:Glossary.Representation.WebHome]] specified for (% style="color:#2ecc71" %)Concept(%%) (coreRepresentation) is used. [[Measure>>doc:xwiki:Glossary.Measure.WebHome]], and DataAttribute may be also represented by multilingual text (as seen in the [[DataSet>>doc:xwiki:Glossary.Data set.WebHome]] diagram further down). An exception is the MetadataAttribute, where its [[Representation>>doc:xwiki:Glossary.Representation.WebHome]] is specified in the MetadataStructureDefinition.
++Each of [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]], TimeDimension, [[Measure>>doc:xwiki:Glossary.Measure.WebHome]], DataAttribute and MetadataAttribute can have a [[Representation>>doc:xwiki:Glossary.Representation.WebHome]] specified (using the localRepresentation association). If this is not specified in the DataStructureDefinition then the [[representation>>doc:xwiki:Glossary.Representation.WebHome]] specified for (% style="color:#e74c3c" %)Concept(%%) (coreRepresentation) is used. [[Measure>>doc:xwiki:Glossary.Measure.WebHome]], and DataAttribute may be also represented by multilingual text (as seen in the [[DataSet>>doc:xwiki:Glossary.Data set.WebHome]] diagram further down). An exception is the MetadataAttribute, where its [[Representation>>doc:xwiki:Glossary.Representation.WebHome]] is specified in the MetadataStructureDefinition.
  A DataStructureDefinition can be extended to form a derived DataStructureDefinition. This is supported in the StructureMap.
@@ -166,19 +166,19 @@
  |(% style="width:209px" %)[[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]]|(% style="width:175px" %)(((
  Inherits from
  //StructureUsage//
--)))|(% style="width:454px" %)Abstract (% style="color:#2ecc71" %)concept(%%) (i.e., the structure without any data) of a flow of data that providers will provide for different reference periods.
++)))|(% style="width:454px" %)Abstract (% style="color:#e74c3c" %)concept(%%) (i.e., the structure without any data) of a flow of data that providers will provide for different reference periods.
  |(% style="width:209px" %) |(% style="width:175px" %)/structure|(% style="width:454px" %)Associates a [[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]] to the Data Structure Definition.
--|(% style="width:209px" %)DataStructureDefiniti on|(% style="width:175px" %) |(% style="width:454px" %)A collection of metadata (% style="color:#2ecc71" %)concepts(%%), their structure and usage when used to collect or disseminate data.
--|(% style="width:209px" %) |(% style="width:175px" %)/grouping|(% style="width:454px" %)An association to a set of metadata (% style="color:#2ecc71" %)concepts(%%) that have an identified structural role in a Data Structure Definition.
++|(% style="width:209px" %)DataStructureDefiniti on|(% style="width:175px" %) |(% style="width:454px" %)A collection of metadata (% style="color:#e74c3c" %)concepts(%%), their structure and usage when used to collect or disseminate data.
++|(% style="width:209px" %) |(% style="width:175px" %)/grouping|(% style="width:454px" %)An association to a set of metadata (% style="color:#e74c3c" %)concepts(%%) that have an identified structural role in a Data Structure Definition.
  |(% style="width:209px" %)GroupDimensionDescriptor|(% style="width:175px" %)(((
  Inherits from
  //ComponentList//
--)))|(% style="width:454px" %)A set of metadata (% style="color:#2ecc71" %)concepts(%%) that define a partial key derived from the [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] Descriptor in a Data Structure Definition.
++)))|(% style="width:454px" %)A set of metadata (% style="color:#e74c3c" %)concepts(%%) that define a partial key derived from the [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] Descriptor in a Data Structure Definition.
  |(% style="width:209px" %) |(% style="width:175px" %)/components|(% style="width:454px" %)An association to the [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] [[components>>doc:xwiki:Glossary.Component.WebHome]] that comprise the group.
  |(% style="width:209px" %)DimensionDescriptor|(% style="width:175px" %)(((
  Inherits from
  //ComponentList//
--)))|(% style="width:454px" %)An ordered set of metadata (% style="color:#2ecc71" %)concepts(%%) that, combined, classify a statistical series, and whose values, when combined (the key) in an instance such as a [[data set>>doc:xwiki:Glossary.Data set.WebHome]], uniquely identify a specific observation.
++)))|(% style="width:454px" %)An ordered set of metadata (% style="color:#e74c3c" %)concepts(%%) that, combined, classify a statistical series, and whose values, when combined (the key) in an instance such as a [[data set>>doc:xwiki:Glossary.Data set.WebHome]], uniquely identify a specific observation.
  |(% style="width:209px" %) |(% style="width:175px" %)/components|(% style="width:454px" %)(((
  An association to the [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] and Time [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] comprising the Key Descriptor.
  )))
@@ -185,12 +185,12 @@
  |(% style="width:209px" %)AttributeDescriptor|(% style="width:175px" %)(((
  Inherits from
  //ComponentList//
--)))|(% style="width:454px" %)A set metadata (% style="color:#2ecc71" %)concepts(%%) that define the [[Attributes>>doc:xwiki:Glossary.Attribute.WebHome]] of a Data Structure Definition.
++)))|(% style="width:454px" %)A set metadata (% style="color:#e74c3c" %)concepts(%%) that define the [[Attributes>>doc:xwiki:Glossary.Attribute.WebHome]] of a Data Structure Definition.
  |(% style="width:209px" %) |(% style="width:175px" %)/[[components>>doc:xwiki:Glossary.Component.WebHome]]|(% style="width:454px" %)An association to a Data [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] [[component>>doc:xwiki:Glossary.Component.WebHome]].
  |(% style="width:209px" %)MeasureDescriptor|(% style="width:175px" %)(((
  Inherits from
  //ComponentList//
--)))|(% style="width:454px" %)A metadata (% style="color:#2ecc71" %)concept(%%) that defines the [[Measures>>doc:xwiki:Glossary.Measure.WebHome]] of a Data Structure Definition.
++)))|(% style="width:454px" %)A metadata (% style="color:#e74c3c" %)concept(%%) that defines the [[Measures>>doc:xwiki:Glossary.Measure.WebHome]] of a Data Structure Definition.
  |(% style="width:209px" %) |(% style="width:175px" %)/components|(% style="width:454px" %)An association to a [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] [[component>>doc:xwiki:Glossary.Component.WebHome]].
  |(% style="width:209px" %)//DimensionComponent//|(% style="width:175px" %)(((
  Inherits from
@@ -203,28 +203,28 @@
  |(% style="width:209px" %)[[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]]|(% style="width:175px" %)(((
  Inherits from
  //DimensionComponent//
--)))|(% style="width:454px" %)A metadata (% style="color:#2ecc71" %)concept(%%) used (most probably together with other metadata (% style="color:#2ecc71" %)concepts(%%)) to classify a statistical series, e.g., a statistical (% style="color:#2ecc71" %)concept(%%) indicating a certain [[economic activity>>doc:xwiki:Glossary.Economic activity.WebHome]] or a geographical reference area.
--|(% style="width:209px" %) |(% style="width:175px" %)/role|(% style="width:454px" %)Association to the (% style="color:#2ecc71" %)Concept(%%) that specifies the role that that the [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] plays in the Data Structure Definition.
--|(% style="width:209px" %) |(% style="width:175px" %)/conceptIdentity|(% style="width:454px" %)An association to the metadata (% style="color:#2ecc71" %)concept(%%) which defines the semantic of the [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]].
++)))|(% style="width:454px" %)A metadata (% style="color:#e74c3c" %)concept(%%) used (most probably together with other metadata (% style="color:#e74c3c" %)concepts(%%)) to classify a statistical series, e.g., a statistical (% style="color:#e74c3c" %)concept(%%) indicating a certain [[economic activity>>doc:xwiki:Glossary.Economic activity.WebHome]] or a geographical reference area.
++|(% style="width:209px" %) |(% style="width:175px" %)/role|(% style="width:454px" %)Association to the (% style="color:#e74c3c" %)Concept(%%) that specifies the role that that the [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] plays in the Data Structure Definition.
++|(% style="width:209px" %) |(% style="width:175px" %)/conceptIdentity|(% style="width:454px" %)An association to the metadata (% style="color:#e74c3c" %)concept(%%) which defines the semantic of the [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]].
  |(% style="width:209px" %)TimeDimension|(% style="width:175px" %)(((
  Inherits from
  //DimensionComponent//
--)))|(% style="width:454px" %)A metadata (% style="color:#2ecc71" %)concept(%%) that identifies the [[component>>doc:xwiki:Glossary.Component.WebHome]] in the key structure that has the role of “time”.
++)))|(% style="width:454px" %)A metadata (% style="color:#e74c3c" %)concept(%%) that identifies the [[component>>doc:xwiki:Glossary.Component.WebHome]] in the key structure that has the role of “time”.
  |(% style="width:209px" %)DataAttribute|(% style="width:175px" %)(((
  Inherits from
  //[[Component>>doc:xwiki:Glossary.Component.WebHome]]//
  )))|(% style="width:454px" %)A characteristic of an object or entity.
--|(% style="width:209px" %) |(% style="width:175px" %)/role|(% style="width:454px" %)Association to the (% style="color:#2ecc71" %)Concept(%%) that specifies the role that that the Data [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] plays in the Data Structure Definition.
++|(% style="width:209px" %) |(% style="width:175px" %)/role|(% style="width:454px" %)Association to the (% style="color:#e74c3c" %)Concept(%%) that specifies the role that that the Data [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] plays in the Data Structure Definition.
  |(% style="width:209px" %) |(% style="width:175px" %)minOccurs|(% style="width:454px" %)Defines the minimum required occurrences for the [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]]. When equals to zero, the [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] is conditional.
  |(% style="width:209px" %) |(% style="width:175px" %)maxOccurs|(% style="width:454px" %)Defines the maximum allowed occurrences for the [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]].
  |(% style="width:209px" %) |(% style="width:175px" %)usage|(% style="width:454px" %)Defines whether a Data [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] must be reported or not.
  |(% style="width:209px" %) |(% style="width:175px" %)+relatedTo|(% style="width:454px" %)Association to an [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] Relationship.
--|(% style="width:209px" %) |(% style="width:175px" %)/conceptIdentity|(% style="width:454px" %)An association to the (% style="color:#2ecc71" %)Concept(%%) which defines the semantic of the [[component>>doc:xwiki:Glossary.Component.WebHome]].
++|(% style="width:209px" %) |(% style="width:175px" %)/conceptIdentity|(% style="width:454px" %)An association to the (% style="color:#e74c3c" %)Concept(%%) which defines the semantic of the [[component>>doc:xwiki:Glossary.Component.WebHome]].
  |(% style="width:209px" %)[[Measure>>doc:xwiki:Glossary.Measure.WebHome]]|(% style="width:175px" %)(((
  Inherits from
  //[[Component>>doc:xwiki:Glossary.Component.WebHome]]//
--)))|(% style="width:454px" %)The metadata (% style="color:#2ecc71" %)concept(%%) that is the phenomenon to be measured in a [[data set>>doc:xwiki:Glossary.Data set.WebHome]]. In a [[data set>>doc:xwiki:Glossary.Data set.WebHome]] the instance of the [[measure>>doc:xwiki:Glossary.Measure.WebHome]] is often called the observation.
--|(% style="width:209px" %) |(% style="width:175px" %)/conceptIdentity|(% style="width:454px" %)An association to the (% style="color:#2ecc71" %)Concept(%%) which carries the values of the [[measures>>doc:xwiki:Glossary.Measure.WebHome]].
++)))|(% style="width:454px" %)The metadata (% style="color:#e74c3c" %)concept(%%) that is the phenomenon to be measured in a [[data set>>doc:xwiki:Glossary.Data set.WebHome]]. In a [[data set>>doc:xwiki:Glossary.Data set.WebHome]] the instance of the [[measure>>doc:xwiki:Glossary.Measure.WebHome]] is often called the observation.
++|(% style="width:209px" %) |(% style="width:175px" %)/conceptIdentity|(% style="width:454px" %)An association to the (% style="color:#e74c3c" %)Concept(%%) which carries the values of the [[measures>>doc:xwiki:Glossary.Measure.WebHome]].
  |(% style="width:209px" %) |(% style="width:175px" %)minOccurs|(% style="width:454px" %)Defines the minimum required occurrences for the [[Measure>>doc:xwiki:Glossary.Measure.WebHome]]. When equals to zero, the [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] is conditional.
  |(% style="width:209px" %) |(% style="width:175px" %)maxOccurs|(% style="width:454px" %)Defines the maximum allowed occurrences for the [[Measure>>doc:xwiki:Glossary.Measure.WebHome]].
  |(% style="width:209px" %) |(% style="width:175px" %)usage|(% style="width:454px" %)Defines whether a [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] must be reported or not.
@@ -258,7 +258,7 @@
  === 5.4.2 Class Diagram ===
--[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_78f5c87f.jpg||height="822" width="535"]]
++(% contenteditable="false" tabindex="-1" %)[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_78f5c87f.jpg||data-widget="image" height="822" width="535"]]
  **Figure 31: Class Diagram of the Data Set**
@@ -270,21 +270,21 @@
  An organisation playing the role of DataProvider can be responsible for one or more //[[DataSet>>doc:xwiki:Glossary.Data set.WebHome]]//.
--A //[[DataSet>>doc:xwiki:Glossary.Data set.WebHome]]// is formatted as a DataStructureDefinition specific [[data set>>doc:xwiki:Glossary.Data set.WebHome]] (StructureSpecificDataSet). The structured [[data set>>doc:xwiki:Glossary.Data set.WebHome]] is structured according to one specific DataStructureDefinition; hence the latter is required for validation at the syntax (% style="color:#2ecc71" %)level(%%).
++A //[[DataSet>>doc:xwiki:Glossary.Data set.WebHome]]// is formatted as a DataStructureDefinition specific [[data set>>doc:xwiki:Glossary.Data set.WebHome]] (StructureSpecificDataSet). The structured [[data set>>doc:xwiki:Glossary.Data set.WebHome]] is structured according to one specific DataStructureDefinition; hence the latter is required for validation at the syntax (% style="color:#e74c3c" %)level(%%).
  A //[[DataSet>>doc:xwiki:Glossary.Data set.WebHome]]// is a collection of a set of //Observation//s that share the same dimensionality, which is specified by a set of unique [[components>>doc:xwiki:Glossary.Component.WebHome]] ([[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]], TimeDimension) defined in the DimensionDescriptor of the DataStructureDefinition, together with associated
  //AttributeValue//s that define specific characteristics about the [[artefact>>doc:xwiki:Glossary.Artefact.WebHome]] to which it is attached – //Observation//s, set of [[Dimensions>>doc:xwiki:Glossary.Dimension.WebHome]]. It can be structured in terms of a SeriesKey to which //Observation//s are reported.
--The //Observation// can be the value(s) of the variable(s) being measured for the (% style="color:#2ecc71" %)Concept(%%) associated to the Measure(s) in the MeasureDescriptor of the DataStructureDefinition. Each //Observation// associates one or more //ObservationValue//s with a KeyValue (+observationDimension) which is the value for the “[[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] at the Observation (% style="color:#2ecc71" %)Level(%%)”. Any [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] can be specified as being the “[[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] at the Observation (% style="color:#2ecc71" %)Level(%%)”, and this specification is made at the (% style="color:#2ecc71" %)level(%%) of the //[[DataSet>>doc:xwiki:Glossary.Data set.WebHome]]// (i.e., it must be the same [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] for the entire //[[DataSet>>doc:xwiki:Glossary.Data set.WebHome]]//).
++The //Observation// can be the value(s) of the variable(s) being measured for the (% style="color:#e74c3c" %)Concept(%%) associated to the Measure(s) in the MeasureDescriptor of the DataStructureDefinition. Each //Observation// associates one or more //ObservationValue//s with a KeyValue (+observationDimension) which is the value for the “[[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] at the Observation (% style="color:#e74c3c" %)Level(%%)”. Any [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] can be specified as being the “[[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] at the Observation (% style="color:#e74c3c" %)Level(%%)”, and this specification is made at the (% style="color:#e74c3c" %)level(%%) of the //[[DataSet>>doc:xwiki:Glossary.Data set.WebHome]]// (i.e., it must be the same [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] for the entire //[[DataSet>>doc:xwiki:Glossary.Data set.WebHome]]//).
  The //KeyValue// is a value for one of TimeDimension or [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] specified in the DataStructureDefinition. If it is a [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]], it can be coded (CodedKeyValue) or uncoded (UncodedKeyValue). If it is the TimeDimension then it is a TimeKeyValue. The actual value that the CodedDimensionValue can take must be one of the [[Codes>>doc:xwiki:Glossary.Code.WebHome]] in the Codelist specified as the [[Representation>>doc:xwiki:Glossary.Representation.WebHome]] of the [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] in the DataStructureDefinition.
  An ObservationValue can be coded – this is the CodedObservation – or it can be uncoded – this is the UncodedObservation. In the case of uncoded observations, the values may be multilingual – expressed via the TextMeasureValue – or not (OtherUncodedMeasureValue).
--The GroupKey is a subunit of the //Key// that has the same dimensionality as the SeriesKey but defines a subset of the KeyValues of the SeriesKey. Its sub [[dimension>>doc:xwiki:Glossary.Dimension.WebHome]] structure is defined in the GroupDimensionDescriptor of the DataStructureDefinition identified by the same id as the GroupKey. The id identifies a “type” of group and the purpose of the GroupKey is to report one or more //AttributeValue// that are contained at this group (% style="color:#2ecc71" %)level(%%). The GroupKey is present when the GroupDimensionDescriptor is related to the GroupRelationship in the DataStructureDefinition. There can be many types of groups in a //[[DataSet>>doc:xwiki:Glossary.Data set.WebHome]]//. If the Group is related to the DimensionRelationship in the DataStructureDefinition then the //AttributeValue// will be reported with the appropriate [[dimension>>doc:xwiki:Glossary.Dimension.WebHome]] in the SeriesKey or Observation.
++The GroupKey is a subunit of the //Key// that has the same dimensionality as the SeriesKey but defines a subset of the KeyValues of the SeriesKey. Its sub [[dimension>>doc:xwiki:Glossary.Dimension.WebHome]] structure is defined in the GroupDimensionDescriptor of the DataStructureDefinition identified by the same id as the GroupKey. The id identifies a “type” of group and the purpose of the GroupKey is to report one or more //AttributeValue// that are contained at this group (% style="color:#e74c3c" %)level(%%). The GroupKey is present when the GroupDimensionDescriptor is related to the GroupRelationship in the DataStructureDefinition. There can be many types of groups in a //[[DataSet>>doc:xwiki:Glossary.Data set.WebHome]]//. If the Group is related to the DimensionRelationship in the DataStructureDefinition then the //AttributeValue// will be reported with the appropriate [[dimension>>doc:xwiki:Glossary.Dimension.WebHome]] in the SeriesKey or Observation.
--In this way each of SeriesKey, GroupKey, and Observation can have zero or more //AttributeValue//s that define some metadata about the object to which it is associated. The //AttributeValue// may be either a //DataAttributeValue// or a //MetadataAttributeValue//, representing values of DataAttributes defined in the [[DSD>>doc:xwiki:Glossary.Data structure definition.WebHome]] or MetadataAttributes of the linked [[MSD>>doc:xwiki:Glossary.Metadata structure definition.WebHome]], respectively. The allowable (% style="color:#2ecc71" %)Concepts(%%) and the objects to which these metadata can be associated (attached) are defined in the DataStructureDefinition and the linked MetadataStructureDefinition.
++In this way each of SeriesKey, GroupKey, and Observation can have zero or more //AttributeValue//s that define some metadata about the object to which it is associated. The //AttributeValue// may be either a //DataAttributeValue// or a //MetadataAttributeValue//, representing values of DataAttributes defined in the [[DSD>>doc:xwiki:Glossary.Data structure definition.WebHome]] or MetadataAttributes of the linked [[MSD>>doc:xwiki:Glossary.Metadata structure definition.WebHome]], respectively. The allowable (% style="color:#e74c3c" %)Concepts(%%) and the objects to which these metadata can be associated (attached) are defined in the DataStructureDefinition and the linked MetadataStructureDefinition.
  The //AttributeValue// links to the object type (SeriesKey, GroupKey, Observation) to which it is associated.
@@ -406,7 +406,7 @@
  CodedAttributeValue//
  )))|(% style="width:395px" %)The value of a Data [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]], such as the instance of a Coded [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] or of an Uncoded [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] in a structure such as a [[Data Structure Definition>>doc:xwiki:Glossary.Data structure definition.WebHome]].
  |(% style="width:147px" %) |(% style="width:246px" %)+valueFor|(% style="width:395px" %)(((
--Association to the Data [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] defined in the [[Data Structure Definition>>doc:xwiki:Glossary.Data structure definition.WebHome]]. Note that this is conceptual association as the (% style="color:#2ecc71" %)Concept(%%) is identified explicitly in the [[data set>>doc:xwiki:Glossary.Data set.WebHome]].
++Association to the Data [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] defined in the [[Data Structure Definition>>doc:xwiki:Glossary.Data structure definition.WebHome]]. Note that this is conceptual association as the (% style="color:#e74c3c" %)Concept(%%) is identified explicitly in the [[data set>>doc:xwiki:Glossary.Data set.WebHome]].
  The source multiplicity (1..*) indicates the possibility to provide more than one values for a Data [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]], if the latter allows it.
  )))
  |(% style="width:147px" %)//MetadataAttributeValue//|(% style="width:246px" %)(((

SUZ.Methodology.Code.MethodologyClass[0]

index

...	...	@@ -1,0 +1,1 @@
	1	+6