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Last modified by Helena K. on 2026/06/08 16:58
From version 23.2
edited by Helena K.
on 2026/06/04 21:17
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To version 23.4
edited by Helena K.
on 2026/06/04 21:19
Change comment: There is no comment for this version

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107 107  
108 108  Note that [[DimensionComponent>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.WebHome]] can be any or all its sub classes i.e., [[Dimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.Dimension.WebHome]], [[TimeDimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.TimeDimension.WebHome]].
109 109  
110 -The //DimensionComponent//, DataAttribute, MetadataAttribute and [[Measure>>doc:sdmx:Glossary 2\.1.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:sdmx:Glossary 2\.1.Dimension.WebHome]] (but not TimeDimension) and [[Measure>>doc:sdmx:Glossary 2\.1.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:sdmx:Glossary 2\.1.Statistical data and metadata exchange.WebHome]] (% style="color:#e74c3c" %)CONCEPT(%%) ROLES" by the [[SDMX>>doc:sdmx:Glossary 2\.1.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:sdmx:Glossary 2\.1.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.
110 +The //[[DimensionComponent>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.WebHome]]//, [[DataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.DataAttribute.WebHome]], [[MetadataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.MetadataAttribute.WebHome]] and [[Measure>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.Measure.WebHome]] link to the [[Concept>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.Item.Concept.WebHome]] that defines its [[name>>doc:IMElements.name.WebHome]] and semantic (/conceptIdentity association to [[Concept>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.Item.Concept.WebHome]]). The [[DataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.DataAttribute.WebHome]], [[Dimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.Dimension.WebHome]] (but not [[TimeDimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.TimeDimension.WebHome]]) and [[Measure>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.Measure.WebHome]] can optionally have a +conceptRole association with a [[Concept>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.Item.Concept.WebHome]] that identifies its [[role>>doc:IMElements.role.WebHome]] in the [[DataStructureDefinition>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.Structure.DataStructureDefinition.WebHome]], or one of the standard pre-defined roles, i.e., those published in "GUIDELINES FOR SDMX CONCEPT ROLES" by the [[SDMX>>doc:sdmx:Glossary 2\.1.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 [[value>>doc:IMElements.value.WebHome]] 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.
111 111  
112 -The valid values for a //DimensionComponent//, [[Measure>>doc:sdmx:Glossary 2\.1.Measure.WebHome]], DataAttribute or MetadataAttribute, when used in this DataStructureDefinition, are defined by the [[Representation>>doc:sdmx:Glossary 2\.1.Representation.WebHome]]. This [[Representation>>doc:sdmx:Glossary 2\.1.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:sdmx:Glossary 2\.1.Representation.WebHome]] of MetadataAttributes are specified in the corresponding MetadataStructureDefinition, linked by the DataStructureDefinition.
112 +The valid values for a //[[DimensionComponent>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.WebHome]]//, [[Measure>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.Measure.WebHome]], [[DataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.DataAttribute.WebHome]] or [[MetadataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.MetadataAttribute.WebHome]], when used in this [[DataStructureDefinition>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.Structure.DataStructureDefinition.WebHome]], are defined by the [[Representation>>doc:IMElements.Representation.WebHome]]. This [[Representation>>doc:IMElements.Representation.WebHome]] is taken from the [[Concept>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.Item.Concept.WebHome]] definition ([[coreRepresentation>>doc:IMElements.coreRepresentation.WebHome]]) unless it is overridden in this [[DataStructureDefinition>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.Structure.DataStructureDefinition.WebHome]] ([[localRepresentation>>doc:IMElements.localRepresentation.WebHome]]) – see Figure 28. Note also that [[TimeDimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.TimeDimension.WebHome]] is constrained to specific FacetValueTypes. Moreover, the Representations of MetadataAttributes are specified in the corresponding [[MetadataStructureDefinition>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.Structure.MetadataStructureDefinition.WebHome]], linked by the [[DataStructureDefinition>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.Structure.DataStructureDefinition.WebHome]].
113 113  
114 -There will always be a DimensionDescriptor grouping that identifies all of the [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] comprising the full key. Together the [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] specify the key of an Observation.
114 +There will always be a [[DimensionDescriptor>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.ComponentList.DimensionDescriptor.WebHome]] [[grouping>>doc:IMElements.grouping.WebHome]] that identifies all of the [[Dimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.Dimension.WebHome]] comprising the full key. Together the Dimensions specify the key of an [[Observation>>doc:IMElements.AnnotableArtefact.Observation.WebHome]].
115 115  
116 -The //DimensionComponent// can optionally be grouped by multiple GroupDimensionDescriptors each of which identifies the group of [[Dimensions>>doc:sdmx:Glossary 2\.1.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:sdmx:Glossary 2\.1.Data set.WebHome]] to declare which DataAttributes or MetadataAttributes are reported at this group (% style="color:#e74c3c" %)level(%%) in the [[DataSet>>doc:sdmx:Glossary 2\.1.Data set.WebHome]].
116 +The //[[DimensionComponent>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.WebHome]]// can optionally be grouped by multiple GroupDimensionDescriptors each of which identifies the group of Dimensions that can form a partial key. The [[GroupDimensionDescriptor>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.ComponentList.GroupDimensionDescriptor.WebHome]] must be identified ([[GroupDimensionDescriptor>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.ComponentList.GroupDimensionDescriptor.WebHome]].id) and this is used in the [[GroupKey>>doc:IMElements.AnnotableArtefact.Key.GroupKey.WebHome]] of the [[DataSet>>doc:sdmx:Glossary 2\.1.Data set.WebHome]] to declare which DataAttributes or MetadataAttributes are reported at this group level in the [[DataSet>>doc:sdmx:Glossary 2\.1.Data set.WebHome]].
117 117  
118 -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:sdmx:Glossary 2\.1.Time period.WebHome]] of the observation in a [[data set>>doc:sdmx:Glossary 2\.1.Data set.WebHome]]. The TimeDimension must contain a valid [[representation>>doc:sdmx:Glossary 2\.1.Representation.WebHome]] of time and cannot be coded.
118 +There can be a maximum of one [[TimeDimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.TimeDimension.WebHome]] specified in the [[DimensionDescriptor>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.ComponentList.DimensionDescriptor.WebHome]]. The [[TimeDimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.TimeDimension.WebHome]] is used to specify the [[Concept>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.Item.Concept.WebHome]] used to convey the [[time period>>doc:sdmx:Glossary 2\.1.Time period.WebHome]] of the observation in a [[data set>>doc:sdmx:Glossary 2\.1.Data set.WebHome]]. The [[TimeDimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.TimeDimension.WebHome]] must contain a valid representation of time and cannot be coded.
119 119  
120 -There can be one or more [[Measures>>doc:sdmx:Glossary 2\.1.Measure.WebHome]] under the MeasureDescriptor. [[Measures>>doc:sdmx:Glossary 2\.1.Measure.WebHome]] represent the observable phenomena. Each [[Measure>>doc:sdmx:Glossary 2\.1.Measure.WebHome]] may have a valid [[representation>>doc:sdmx:Glossary 2\.1.Representation.WebHome]], a maxOccurs [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] limiting the maximum number of values per [[Measure>>doc:sdmx:Glossary 2\.1.Measure.WebHome]] (which may be set to 'unbounded' for unlimited occurrences), as well as a minOccurs [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]], indicating the minimum required number of values, when the [[Measure>>doc:sdmx:Glossary 2\.1.Measure.WebHome]] is reported. If minOccurs or maxOccurs are omitted (they both default to ‘1’), the [[Measure>>doc:sdmx:Glossary 2\.1.Measure.WebHome]] is considered to take a single value; otherwise, it is an array. Moreover, the usage [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] indicates whether a [[Measure>>doc:sdmx:Glossary 2\.1.Measure.WebHome]] must be reported or not, by the corresponding values: mandatory or optional.
120 +There can be one or more Measures under the [[MeasureDescriptor>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.ComponentList.MeasureDescriptor.WebHome]]. Measures represent the observable phenomena. Each [[Measure>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.Measure.WebHome]] may have a valid representation, a [[maxOccurs>>doc:IMElements.maxOccurs.WebHome]] [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] limiting the maximum number of values per [[Measure>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.Measure.WebHome]] (which may be set to 'unbounded' for unlimited occurrences), as well as a [[minOccurs>>doc:IMElements.minOccurs.WebHome]] [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]], indicating the minimum required number of values, when the [[Measure>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.Measure.WebHome]] is reported. If [[minOccurs>>doc:IMElements.minOccurs.WebHome]] or [[maxOccurs>>doc:IMElements.maxOccurs.WebHome]] are omitted (they both default to ‘1’), the [[Measure>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.Measure.WebHome]] is considered to take a single [[value>>doc:IMElements.value.WebHome]]; otherwise, it is an array. Moreover, the usage [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] indicates whether a [[Measure>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.Measure.WebHome]] must be reported or not, by the corresponding values: mandatory or optional.
121 121  
122 -The AttributeDescriptor may contain one or more //[[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]]//s, i.e., at least one DataAttribute definition or one MetadataAttribute reference.
122 +The [[AttributeDescriptor>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.ComponentList.AttributeDescriptor.WebHome]] may contain one or more //[[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]]//s, i.e., at least one [[DataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.DataAttribute.WebHome]] definition or one [[MetadataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.MetadataAttribute.WebHome]] reference.
123 123  
124 -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:sdmx:Glossary 2\.1.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:sdmx:Glossary 2\.1.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.
124 +The [[DataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.DataAttribute.WebHome]] defines a characteristic of data that are collected or disseminated and is grouped in the [[DataStructureDefinition>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.Structure.DataStructureDefinition.WebHome]] by a single [[AttributeDescriptor>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.ComponentList.AttributeDescriptor.WebHome]]. The [[DataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.DataAttribute.WebHome]] can be indicated if it must be reported or not, by the corresponding [[value>>doc:IMElements.value.WebHome]] of the usage [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]]: i.e., mandatory or optional. The property [[minOccurs>>doc:IMElements.minOccurs.WebHome]] specifies the minimum number of array values to be included when the [[DataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.DataAttribute.WebHome]] is reported. Moreover, a [[maxOccurs>>doc:IMElements.maxOccurs.WebHome]] [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] indicates whether the [[DataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.DataAttribute.WebHome]] may need to report more than one values, i.e., an array of values. The [[DataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.DataAttribute.WebHome]] may play a specific [[role>>doc:IMElements.role.WebHome]] in the [[structure>>doc:IMElements.structure.WebHome]] and this is specified by the +[[role>>doc:IMElements.role.WebHome]] association to the [[Concept>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.Item.Concept.WebHome]] that identifies its [[role>>doc:IMElements.role.WebHome]].
125 125  
126 -The MetadataAttribute defines [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]] that may be collected or disseminated and is grouped together with DataAttribute under the AttributeDescriptor.
126 +The [[MetadataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.MetadataAttribute.WebHome]] defines [[reference metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]] that may be collected or disseminated and is grouped together with [[DataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.DataAttribute.WebHome]] under the [[AttributeDescriptor>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.ComponentList.AttributeDescriptor.WebHome]].
127 127  
128 -A DataAttribute or a MetadataAttribute (i.e., an //AttributeComponent//) is specified as being +relatedTo an AttributeRelationship, which defines the constructs to which the //AttributeComponent// is to be reported within a //[[DataSet>>doc:sdmx:Glossary 2\.1.Data set.WebHome]]//. An //AttributeComponent// can be specified as being related to one of the following [[artefacts>>doc:sdmx:Glossary 2\.1.Artefact.WebHome]]:
128 +A [[DataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.DataAttribute.WebHome]] or a [[MetadataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.MetadataAttribute.WebHome]] (i.e., an //[[AttributeComponent>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.WebHome]]//) is specified as being +[[relatedTo>>doc:IMElements.relatedTo.WebHome]] an [[AttributeRelationship>>doc:IMElements.AttributeRelationship.WebHome]], which defines the constructs to which the //[[AttributeComponent>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.WebHome]]// is to be reported within a //[[DataSet>>doc:sdmx:Glossary 2\.1.Data set.WebHome]]//. An //[[AttributeComponent>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.WebHome]]// can be specified as being related to one of the following [[artefacts>>doc:sdmx:Glossary 2\.1.Artefact.WebHome]]:
129 129  
130 -* All data within the [[dataset>>doc:sdmx:Glossary 2\.1.Data set.WebHome]] (DataflowRelationship) – this is equivalent to attaching an [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] to all data within the [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]].
131 -* [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] or set of [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] (DimensionRelationship)
132 -* Set of [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] specified by a GroupKey (GroupRelationship – this is retained for compatibility reasons – or +groupKey of the DimensionRelationship)
133 -* Observation (ObservationRelationship)
134 -* In addition to the positioning of an //AttributeComponent// within a //[[DataSet>>doc:sdmx:Glossary 2\.1.Data set.WebHome]]//, another relationship indicates the [[Measure>>doc:sdmx:Glossary 2\.1.Measure.WebHome]](s) for which the //AttributeComponent// is reported. Regardless of the position of the //AttributeComponent// within the //[[DataSet>>doc:sdmx:Glossary 2\.1.Data set.WebHome]]//, the //AttributeComponent// may concern one, more than one, or all [[Measures>>doc:sdmx:Glossary 2\.1.Measure.WebHome]] included in the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]]. This is expressed using the MeasureRelationship class, which relates a DataAttribute to one or more [[Measures>>doc:sdmx:Glossary 2\.1.Measure.WebHome]]. Lack of the MeasureRelationship defaults to a relationship to all [[Measures>>doc:sdmx:Glossary 2\.1.Measure.WebHome]].
130 +* All data within the [[dataset>>doc:sdmx:Glossary 2\.1.Data set.WebHome]] (DataflowRelationship) – this is equivalent to attaching an [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] to all data within the [[Dataflow>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.StructureUsage.Dataflow.WebHome]].
131 +* [[Dimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.Dimension.WebHome]] or set of Dimensions ([[DimensionRelationship>>doc:IMElements.AttributeRelationship.DimensionRelationship.WebHome]])
132 +* Set of Dimensions specified by a [[GroupKey>>doc:IMElements.AnnotableArtefact.Key.GroupKey.WebHome]] ([[GroupRelationship>>doc:IMElements.AttributeRelationship.GroupRelationship.WebHome]] – this is retained for compatibility reasons – or +[[groupKey>>doc:IMElements.groupKey.WebHome]] of the [[DimensionRelationship>>doc:IMElements.AttributeRelationship.DimensionRelationship.WebHome]])
133 +* [[Observation>>doc:IMElements.AnnotableArtefact.Observation.WebHome]] ([[ObservationRelationship>>doc:IMElements.AttributeRelationship.ObservationRelationship.WebHome]])
134 +* In addition to the positioning of an //[[AttributeComponent>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.WebHome]]// within a //[[DataSet>>doc:sdmx:Glossary 2\.1.Data set.WebHome]]//, another relationship indicates the [[Measure>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.Measure.WebHome]](s) for which the //[[AttributeComponent>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.WebHome]]// is reported. Regardless of the position of the //[[AttributeComponent>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.WebHome]]// within the //[[DataSet>>doc:sdmx:Glossary 2\.1.Data set.WebHome]]//, the //[[AttributeComponent>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.WebHome]]// may concern one, more than one, or all Measures included in the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]]. This is expressed using the [[MeasureRelationship>>doc:IMElements.AttributeRelationship.MeasureRelationship.WebHome]] class, which relates a [[DataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.DataAttribute.WebHome]] to one or more Measures. Lack of the [[MeasureRelationship>>doc:IMElements.AttributeRelationship.MeasureRelationship.WebHome]] defaults to a relationship to all Measures.
135 135  
136 136  [[image:image55.png]]
137 137  
138 138  **Figure 29: Attribute Attachment Defined in the Data Structure Definition**
139 139  
140 -The following table details the possible relationships a DataAttribute may specify. Note that these relationships are mutually exclusive, and therefore only one of the following is possible.
140 +The following table details the possible relationships a [[DataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.DataAttribute.WebHome]] may specify. Note that these relationships are mutually exclusive, and therefore only one of the following is possible.
141 141  
142 142  (% style="width:1142.83px" %)
143 143  |**Relationship**|(% style="width:537px" %)**Meaning**|(% style="width:434px" %)**Location in Data Set at which the Attribute is reported**
144 -|DataflowRelationship|(% style="width:537px" %)The value of the [[attribute>>doc:Glossary.Attribute.WebHome]] is fixed for all data contained in the [[dataset>>doc:Glossary.Data set.WebHome]]. The [[Attribute>>doc:Glossary.Attribute.WebHome]] value applies to all data defined by the underlying [[Dataflow>>doc:Glossary.Dataflow.WebHome]].|(% style="width:434px" %)The [[attribute>>doc:Glossary.Attribute.WebHome]] is reported at the [[Dataset>>doc:Glossary.Data set.WebHome]] level.
145 -|[[Dimension>>doc:Glossary.Dimension.WebHome]] (1..n)|(% style="width:537px" %)The value of the [[attribute>>doc:Glossary.Attribute.WebHome]] will vary with the value(s) of the referenced [[Dimension>>doc:Glossary.Dimension.WebHome]](s). In this case, Group(s) to which the [[attribute>>doc:Glossary.Attribute.WebHome]] should be attached may optionally be specified.|(% style="width:434px" %)The [[attribute>>doc:Glossary.Attribute.WebHome]] is reported at the lowest level of the [[Dimension>>doc:Glossary.Dimension.WebHome]] to which the [[Attribute>>doc:Glossary.Attribute.WebHome]] is related, otherwise at the level of the Group if Attachment Group(s) is specified.
146 -|Group|(% style="width:537px" %)The value of the [[Attribute>>doc:Glossary.Attribute.WebHome]] varies with combination of values for all of the [[Dimensions>>doc:Glossary.Dimension.WebHome]] contained in the Group. This is added as a convenience to listing all [[Dimensions>>doc:Glossary.Dimension.WebHome]] and the attachment Group, but should only be used when the [[Attribute>>doc:Glossary.Attribute.WebHome]] value varies based on all Group [[Dimension>>doc:Glossary.Dimension.WebHome]] values.|(% style="width:434px" %)The [[attribute>>doc:Glossary.Attribute.WebHome]] is reported at the level of Group.
147 -|Observation|(% style="width:537px" %)The value of the [[Attribute>>doc:Glossary.Attribute.WebHome]] varies with the observed value.|(% style="width:434px" %)The [[attribute>>doc:Glossary.Attribute.WebHome]] is reported at the level of Observation.
144 +|DataflowRelationship|(% style="width:537px" %)The [[value>>doc:IMElements.value.WebHome]] of the [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] is fixed for all data contained in the [[dataset>>doc:sdmx:Glossary 2\.1.Data set.WebHome]]. The [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] [[value>>doc:IMElements.value.WebHome]] applies to all data defined by the underlying [[Dataflow>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.StructureUsage.Dataflow.WebHome]].|(% style="width:434px" %)The [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] is reported at the [[Dataset>>doc:sdmx:Glossary 2\.1.Data set.WebHome]] level.
145 +|[[Dimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.Dimension.WebHome]] (1..n)|(% style="width:537px" %)The [[value>>doc:IMElements.value.WebHome]] of the [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] will vary with the [[value>>doc:IMElements.value.WebHome]](s) of the referenced [[Dimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.Dimension.WebHome]](s). In this case, Group(s) to which the [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] should be attached may optionally be specified.|(% style="width:434px" %)The [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] is reported at the lowest level of the [[Dimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.Dimension.WebHome]] to which the [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] is related, otherwise at the level of the Group if Attachment Group(s) is specified.
146 +|Group|(% style="width:537px" %)The [[value>>doc:IMElements.value.WebHome]] of the [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] varies with combination of values for all of the Dimensions contained in the Group. This is added as a convenience to listing all Dimensions and the attachment Group, but should only be used when the [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] [[value>>doc:IMElements.value.WebHome]] varies based on all Group [[Dimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.Dimension.WebHome]] values.|(% style="width:434px" %)The [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] is reported at the level of Group.
147 +|[[Observation>>doc:IMElements.AnnotableArtefact.Observation.WebHome]]|(% style="width:537px" %)The [[value>>doc:IMElements.value.WebHome]] of the [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] varies with the observed [[value>>doc:IMElements.value.WebHome]].|(% style="width:434px" %)The [[attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] is reported at the level of [[Observation>>doc:IMElements.AnnotableArtefact.Observation.WebHome]].
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