Changes for page 5 Data Structure Definition and Dataset

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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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149	149	[[image:image56.png]]
150	150
151	151	**Figure 30: Representation of DSD Components**
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153		-Each of [[Dimension>>doc:Glossary.Dimension.WebHome]], TimeDimension, [[Measure>>doc:Glossary.Measure.WebHome]], DataAttribute and MetadataAttribute can have a [[Representation>>doc:Glossary.Representation.WebHome]] specified (using the localRepresentation association). If this is not specified in the DataStructureDefinition then the [[representation>>doc:Glossary.Representation.WebHome]] specified for (% style="color:#e74c3c" %)[[Concept>>doc:Glossary.Concept.WebHome]](%%) (coreRepresentation) is used. [[Measure>>doc:Glossary.Measure.WebHome]], and DataAttribute may be also represented by multilingual text (as seen in the [[DataSet>>doc:Glossary.Data set.WebHome]] diagram further down). An exception is the MetadataAttribute, where its [[Representation>>doc:Glossary.Representation.WebHome]] is specified in the MetadataStructureDefinition.
	153	+Each of [[Dimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.Dimension.WebHome]], [[TimeDimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.TimeDimension.WebHome]], [[Measure>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.Measure.WebHome]], [[DataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.DataAttribute.WebHome]] and [[MetadataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.MetadataAttribute.WebHome]] can have a [[Representation>>doc:IMElements.Representation.WebHome]] specified (using the [[localRepresentation>>doc:IMElements.localRepresentation.WebHome]] association). If this is not specified in the [[DataStructureDefinition>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.Structure.DataStructureDefinition.WebHome]] then the representation specified for (% style="color:#e74c3c" %)[[Concept>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.Item.Concept.WebHome]](%%) ([[coreRepresentation>>doc:IMElements.coreRepresentation.WebHome]]) is used. [[Measure>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.Measure.WebHome]], and [[DataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.DataAttribute.WebHome]] may be also represented by multilingual [[text>>doc:IMElements.text.WebHome]] (as seen in the [[DataSet>>doc:Glossary.Data set.WebHome]] diagram further down). An exception is the [[MetadataAttribute>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.AttributeComponent.MetadataAttribute.WebHome]], where its [[Representation>>doc:IMElements.Representation.WebHome]] is specified in the [[MetadataStructureDefinition>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.Structure.MetadataStructureDefinition.WebHome]].
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155		-A DataStructureDefinition can be extended to form a derived DataStructureDefinition. This is supported in the StructureMap.
	155	+A [[DataStructureDefinition>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.Structure.DataStructureDefinition.WebHome]] can be extended to form a derived [[DataStructureDefinition>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.Structure.DataStructureDefinition.WebHome]]. This is supported in the StructureMap.
156	156
157	157	==== 5.3.2.2 Definitions ====
158	158
159	159	(% style="width:981.835px" %)
160	160	|(% style="width:204px" %)**Class**|(% style="width:236px" %)**Feature**|(% style="width:538px" %)**Description**
161		-|(% style="width:204px" %)StructureUsage|(% style="width:236px" %) |(% style="width:538px" %)See “[[SDMX>>doc:Glossary.Statistical data and metadata exchange.WebHome]] Base”.
162		-|(% style="width:204px" %)[[Dataflow>>doc:Glossary.Dataflow.WebHome]]|(% style="width:236px" %)(((
	161	+|(% style="width:204px" %)StructureUsage|(% style="width:236px" %) |(% style="width:538px" %)See “[[SDMX>>doc:sdmx:Glossary 2\.1.Statistical data and metadata exchange.WebHome]] Base”.
	162	+|(% style="width:204px" %)[[Dataflow>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.StructureUsage.Dataflow.WebHome]]|(% style="width:236px" %)(((
163	163	Inherits from
164	164
165	165	//StructureUsage//
166		-)))|(% style="width:538px" %)Abstract concept (i.e., the structure without any data) of a flow of data that providers will provide for different reference periods.
167		-|(% style="width:204px" %) |(% style="width:236px" %)/structure|(% style="width:538px" %)Associates a [[Dataflow>>doc:Glossary.Dataflow.WebHome]] to the [[Data Structure Definition>>doc:Glossary.Data structure definition.WebHome]].
168		-|(% style="width:204px" %) |(% style="width:236px" %)dimensionConstraint|(% style="width:538px" %)A list of [[Dimensions>>doc:Glossary.Dimension.WebHome]] which the [[Dataflow>>doc:Glossary.Dataflow.WebHome]] uses. This is only required when the referenced DataStructureDefinition has the evolvingStructure property set to true and when the association to the DataStructureDefinition in on the latest minor (% style="color:#e74c3c" %)[[version>>doc:Glossary.Version.WebHome]]{{footnote}}Referencing the latest minor version of the Data Structure is achieved by the reference including the plus operator on the minor version to indicate it links to the latest stable version, for example 2.0+.0 will resolve to the highest version 2.x.y.{{/footnote}}(%%).
	166	+)))|(% style="width:538px" %)Abstract concept (i.e., the structure without any data) of a flow of data that providers will provide for different [[reference periods>>doc:sdmx:Glossary 2\.1.Reference period.WebHome]].
	167	+|(% style="width:204px" %) |(% style="width:236px" %)/structure|(% style="width:538px" %)Associates a Dataflow to the [[Data Structure Definition>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]].
	168	+|(% style="width:204px" %) |(% style="width:236px" %)dimensionConstraint|(% style="width:538px" %)A list of Dimensions which the Dataflow uses. This is only required when the referenced DataStructureDefinition has the evolvingStructure property set to true and when the association to the DataStructureDefinition in on the latest minor version{{footnote}}Referencing the latest minor version of the Data Structure is achieved by the reference including the plus operator on the minor version to indicate it links to the latest stable version, for example 2.0+.0 will resolve to the highest version 2.x.y.{{/footnote}}.
169	169	|(% style="width:204px" %)DataStructureDefinition|(% style="width:236px" %) |(% style="width:538px" %)A collection of metadata concepts, their structure and usage when used to collect or disseminate data.
170		-|(% style="width:204px" %) |(% style="width:236px" %)/grouping|(% style="width:538px" %)An association to a set of metadata concepts that have an identified structural role in a [[Data Structure Definition>>doc:Glossary.Data structure definition.WebHome]].
171		-|(% style="width:204px" %) |(% style="width:236px" %)evolvingStructure|(% style="width:538px" %)An optional boolean property, defaulting to false. When true the DataStructureDefinition may have new [[Dimensions>>doc:Glossary.Dimension.WebHome]] added without having to change its major [[version>>doc:Glossary.Version.WebHome]] number.
	170	+|(% style="width:204px" %) |(% style="width:236px" %)/grouping|(% style="width:538px" %)An association to a set of metadata concepts that have an identified structural role in a [[Data Structure Definition>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]].
	171	+|(% style="width:204px" %) |(% style="width:236px" %)evolvingStructure|(% style="width:538px" %)An optional boolean property, defaulting to false. When true the DataStructureDefinition may have new Dimensions added without having to change its major version number.
172	172	|(% style="width:204px" %)GroupDimensionDescriptor|(% style="width:236px" %)(((
173	173	Inherits from
174	174	//ComponentList//
175		-)))|(% style="width:538px" %)A set of metadata concepts that define a partial key derived from the [[Dimension>>doc:Glossary.Dimension.WebHome]] Descriptor in a [[Data Structure Definition>>doc:Glossary.Data structure definition.WebHome]].
176		-|(% style="width:204px" %) |(% style="width:236px" %)/components|(% style="width:538px" %)An association to the [[Dimension>>doc:Glossary.Dimension.WebHome]] [[components>>doc:Glossary.Component.WebHome]] that comprise the group.
	175	+)))|(% style="width:538px" %)A set of metadata concepts that define a partial key derived from the Dimension Descriptor in a [[Data Structure Definition>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]].
	176	+|(% style="width:204px" %) |(% style="width:236px" %)/components|(% style="width:538px" %)An association to the Dimension components that comprise the group.
177	177	|(% style="width:204px" %)DimensionDescriptor|(% style="width:236px" %)(((
178	178	Inherits from
179	179	//ComponentList//
180		-)))|(% style="width:538px" %)An ordered set of metadata concepts that, combined, classify a statistical series, and whose values, when combined (the key) in an instance such as a [[data set>>doc:Glossary.Data set.WebHome]], uniquely identify a specific observation.
181		-|(% style="width:204px" %) |(% style="width:236px" %)/components|(% style="width:538px" %)An association to the [[Dimension>>doc:Glossary.Dimension.WebHome]] and Time [[Dimension>>doc:Glossary.Dimension.WebHome]] comprising the Key Descriptor.
	180	+)))|(% style="width:538px" %)An ordered set of metadata concepts that, combined, classify a statistical [[series>>doc:sdmx:Glossary 2\.1.Series.WebHome]], and whose values, when combined (the key) in an instance such as a [[data set>>doc:sdmx:Glossary 2\.1.Data set.WebHome]], uniquely identify a specific observation.
	181	+|(% style="width:204px" %) |(% style="width:236px" %)/components|(% style="width:538px" %)An association to the Dimension and Time Dimension comprising the Key Descriptor.
182	182	|(% style="width:204px" %)AttributeDescriptor|(% style="width:236px" %)(((
183	183	Inherits from
184	184	//ComponentList//
185		-)))|(% style="width:538px" %)A set metadata concepts that define the [[Attributes>>doc:Glossary.Attribute.WebHome]] of a [[Data Structure Definition>>doc:Glossary.Data structure definition.WebHome]].
186		-|(% style="width:204px" %) |(% style="width:236px" %)/components|(% style="width:538px" %)An association to a Data [[Attribute>>doc:Glossary.Attribute.WebHome]] [[component>>doc:Glossary.Component.WebHome]].
187		-|(% style="width:204px" %)MeasureDescriptor|(% style="width:236px" %)(((
	185	+)))|(% style="width:538px" %)A set metadata concepts that define the [[Attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] of a [[Data Structure Definition>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]].
	186	+|(% style="width:204px" %) |(% style="width:236px" %)/components|(% style="width:538px" %)An association to a Data [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] component.
	187	+|(% style="width:204px" %)[[MeasureDescriptor>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.ComponentList.MeasureDescriptor.WebHome]]|(% style="width:236px" %)(((
188	188	Inherits from
189	189	//ComponentList//
190		-)))|(% style="width:538px" %)A metadata concept that defines the [[Measures>>doc:Glossary.Measure.WebHome]] of a [[Data Structure Definition>>doc:Glossary.Data structure definition.WebHome]].
191		-|(% style="width:204px" %) |(% style="width:236px" %)/components|(% style="width:538px" %)An association to a [[Measure>>doc:Glossary.Measure.WebHome]] [[component>>doc:Glossary.Component.WebHome]].
	190	+)))|(% style="width:538px" %)A metadata concept that defines the Measures of a [[Data Structure Definition>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]].
	191	+|(% style="width:204px" %) |(% style="width:236px" %)/components|(% style="width:538px" %)An association to a Measure component.
192	192	|(% style="width:204px" %)//DimensionComponent//|(% style="width:236px" %)(((
193	193	Inherits from
194		-//[[Component>>doc:Glossary.Component.WebHome]]//
	194	+//[[Component>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.WebHome]]//
195	195	Sub class
196		-[[Dimension>>doc:Glossary.Dimension.WebHome]]
	196	+[[Dimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.Dimension.WebHome]]
197	197	TimeDimension
198		-)))|(% style="width:538px" %)An abstract class representing any [[Component>>doc:Glossary.Component.WebHome]] that can be used for identifying observations.
199		-|(% style="width:211px" %) |(% style="width:235px" %)Order|(% style="width:534px" %)Specifies the order of the [[Dimension>>doc:Glossary.Dimension.WebHome]] [[Components>>doc:Glossary.Component.WebHome]] within the [[DSD>>doc:Glossary.Data structure definition.WebHome]]. The property is used to indicate the position of the [[Dimension>>doc:Glossary.Dimension.WebHome]] [[Component>>doc:Glossary.Component.WebHome]] and determines the Key for identifying observations, or series. The Time [[Dimension>>doc:Glossary.Dimension.WebHome]], when specified, must be the last within the [[Dimension>>doc:Glossary.Dimension.WebHome]] Descriptor.
200		-|(% style="width:211px" %)[[Dimension>>doc:Glossary.Dimension.WebHome]]|(% style="width:235px" %)(((
	198	+)))|(% style="width:538px" %)An abstract class representing any Component that can be used for identifying observations.
	199	+|(% style="width:211px" %) |(% style="width:235px" %)[[Order>>doc:IMElements.Order.WebHome]]|(% style="width:534px" %)Specifies the order of the Dimension Components within the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]]. The property is used to indicate the position of the Dimension Component and determines the Key for identifying observations, or [[series>>doc:sdmx:Glossary 2\.1.Series.WebHome]]. The Time Dimension, when specified, must be the last within the Dimension Descriptor.
	200	+|(% style="width:211px" %)[[Dimension>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.DimensionComponent.Dimension.WebHome]]|(% style="width:235px" %)(((
201	201	Inherits from
202	202	//DimensionComponent//
203		-)))|(% style="width:534px" %)A metadata concept used (most probably together with other metadata concepts) to classify a statistical series, e.g., a statistical concept indicating a certain [[economic activity>>doc:Glossary.Economic activity.WebHome]] or a geographical reference area.
204		-|(% style="width:211px" %) |(% style="width:235px" %)/role|(% style="width:534px" %)Association to the (% style="color:#e74c3c" %)[[Concept>>doc:Glossary.Concept.WebHome]](%%) that specifies the role that that the [[Dimension>>doc:Glossary.Dimension.WebHome]] plays in the [[Data Structure Definition>>doc:Glossary.Data structure definition.WebHome]].
205		-|(% style="width:211px" %) |(% style="width:235px" %)/conceptIdentity|(% style="width:534px" %)An association to the metadata concept which defines the semantic of the [[Dimension>>doc:Glossary.Dimension.WebHome]].
	203	+)))|(% style="width:534px" %)A metadata concept used (most probably together with other metadata concepts) to classify a statistical [[series>>doc:sdmx:Glossary 2\.1.Series.WebHome]], e.g., a statistical concept indicating a certain [[economic activity>>doc:sdmx:Glossary 2\.1.Economic activity.WebHome]] or a geographical [[reference area>>doc:sdmx:Glossary 2\.1.Reference area.WebHome]].
	204	+|(% style="width:211px" %) |(% style="width:235px" %)/role|(% style="width:534px" %)Association to the Concept that specifies the role that that the Dimension plays in the [[Data Structure Definition>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]].
	205	+|(% style="width:211px" %) |(% style="width:235px" %)/conceptIdentity|(% style="width:534px" %)An association to the metadata concept which defines the semantic of the Dimension.
206	206	|(% style="width:211px" %)TimeDimension|(% style="width:235px" %)(((
207	207	Inherits from
208	208	//DimensionComponent//
209		-)))|(% style="width:534px" %)A metadata concept that identifies the [[component>>doc:Glossary.Component.WebHome]] in the key structure that has the role of “time”.
	209	+)))|(% style="width:534px" %)A metadata concept that identifies the component in the key structure that has the role of “time”.
210	210	|(% style="width:211px" %)DataAttribute|(% style="width:235px" %)(((
211	211	Inherits from
212		-//[[Component>>doc:Glossary.Component.WebHome]]//
	212	+//[[Component>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.WebHome]]//
213	213	)))|(% style="width:534px" %)A characteristic of an object or entity.
214		-|(% style="width:211px" %) |(% style="width:235px" %)/role|(% style="width:534px" %)Association to the (% style="color:#e74c3c" %)[[Concept>>doc:Glossary.Concept.WebHome]](%%) that specifies the role that that the Data [[Attribute>>doc:Glossary.Attribute.WebHome]] plays in the [[Data Structure Definition>>doc:Glossary.Data structure definition.WebHome]].
215		-|(% style="width:211px" %) |(% style="width:235px" %)minOccurs|(% style="width:534px" %)Defines the minimum required occurrences for the [[Attribute>>doc:Glossary.Attribute.WebHome]]. When equals to zero, the [[Attribute>>doc:Glossary.Attribute.WebHome]] is conditional.
216		-|(% style="width:211px" %) |(% style="width:235px" %)maxOccurs|(% style="width:534px" %)Defines the maximum allowed occurrences for the [[Attribute>>doc:Glossary.Attribute.WebHome]].
217		-|(% style="width:211px" %) |(% style="width:235px" %)Usage|(% style="width:534px" %)Defines whether a Data [[Attribute>>doc:Glossary.Attribute.WebHome]] must be reported or not.
218		-|(% style="width:211px" %) |(% style="width:235px" %)+relatedTo|(% style="width:534px" %)Association to an [[Attribute>>doc:Glossary.Attribute.WebHome]] Relationship.
219		-|(% style="width:211px" %) |(% style="width:235px" %)/conceptIdentity|(% style="width:534px" %)An association to the (% style="color:#e74c3c" %)[[Concept>>doc:Glossary.Concept.WebHome]](%%) which defines the semantic of the [[component>>doc:Glossary.Component.WebHome]].
220		-|(% style="width:211px" %)[[Measure>>doc:Glossary.Measure.WebHome]]|(% style="width:235px" %)(((
	214	+|(% style="width:211px" %) |(% style="width:235px" %)/role|(% style="width:534px" %)Association to the Concept that specifies the role that that the Data [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] plays in the [[Data Structure Definition>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]].
	215	+|(% style="width:211px" %) |(% style="width:235px" %)minOccurs|(% style="width:534px" %)Defines the minimum required occurrences for the [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]]. When equals to zero, the [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] is conditional.
	216	+|(% style="width:211px" %) |(% style="width:235px" %)maxOccurs|(% style="width:534px" %)Defines the maximum allowed occurrences for the [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]].
	217	+|(% style="width:211px" %) |(% style="width:235px" %)[[Usage>>doc:IMElements.Usage.WebHome]]|(% style="width:534px" %)Defines whether a Data [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] must be reported or not.
	218	+|(% style="width:211px" %) |(% style="width:235px" %)+relatedTo|(% style="width:534px" %)Association to an [[Attribute Relationship>>doc:sdmx:Glossary 2\.1.Attribute relationship.WebHome]].
	219	+|(% style="width:211px" %) |(% style="width:235px" %)/conceptIdentity|(% style="width:534px" %)An association to the Concept which defines the semantic of the component.
	220	+|(% style="width:211px" %)[[Measure>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.Measure.WebHome]]|(% style="width:235px" %)(((
221	221	Inherits from
222		-//[[Component>>doc:Glossary.Component.WebHome]]//
223		-)))|(% style="width:534px" %)The metadata concept that is the phenomenon to be measured in a [[data set>>doc:Glossary.Data set.WebHome]]. In a [[data set>>doc:Glossary.Data set.WebHome]] the instance of the [[measure>>doc:Glossary.Measure.WebHome]] is often called the observation.
224		-|(% style="width:211px" %) |(% style="width:235px" %)/conceptIdentity|(% style="width:534px" %)An association to the (% style="color:#e74c3c" %)[[Concept>>doc:Glossary.Concept.WebHome]](%%) which carries the values of the [[measures>>doc:Glossary.Measure.WebHome]].
225		-|(% style="width:211px" %) |(% style="width:235px" %)minOccurs|(% style="width:534px" %)Defines the minimum required occurrences for the [[Measure>>doc:Glossary.Measure.WebHome]]. When equals to zero, the [[Measure>>doc:Glossary.Measure.WebHome]] is conditional.
226		-|(% style="width:211px" %) |(% style="width:235px" %)maxOccurs|(% style="width:534px" %)Defines the maximum allowed occurrences for the [[Measure>>doc:Glossary.Measure.WebHome]].
227		-|(% style="width:211px" %) |(% style="width:235px" %)Usage|(% style="width:534px" %)Defines whether a [[Measure>>doc:Glossary.Measure.WebHome]] must be reported or not.
	222	+//[[Component>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.Component.WebHome]]//
	223	+)))|(% style="width:534px" %)The metadata concept that is the phenomenon to be measured in a [[data set>>doc:sdmx:Glossary 2\.1.Data set.WebHome]]. In a [[data set>>doc:sdmx:Glossary 2\.1.Data set.WebHome]] the instance of the measure is often called the observation.
	224	+|(% style="width:211px" %) |(% style="width:235px" %)/conceptIdentity|(% style="width:534px" %)An association to the Concept which carries the values of the measures.
	225	+|(% style="width:211px" %) |(% style="width:235px" %)minOccurs|(% style="width:534px" %)Defines the minimum required occurrences for the Measure. When equals to zero, the Measure is conditional.
	226	+|(% style="width:211px" %) |(% style="width:235px" %)maxOccurs|(% style="width:534px" %)Defines the maximum allowed occurrences for the Measure.
	227	+|(% style="width:211px" %) |(% style="width:235px" %)[[Usage>>doc:IMElements.Usage.WebHome]]|(% style="width:534px" %)Defines whether a Measure must be reported or not.
228	228	|(% style="width:211px" %)//AttributeRelationship//|(% style="width:235px" %)(((
229	229	Abstract Class
230	230	Sub classes
231	231	ObservationRelationship
232	232	GroupRelationship DimensionRelationship
233		-)))|(% style="width:534px" %)Specifies the type of [[artefact>>doc:Glossary.Artefact.WebHome]] to which a Data [[Attribute>>doc:Glossary.Attribute.WebHome]] can be attached in a [[Data Set>>doc:Glossary.Data set.WebHome]].
234		-|(% style="width:211px" %)ObservationRelationship|(% style="width:235px" %) |(% style="width:534px" %)The Data [[Attribute>>doc:Glossary.Attribute.WebHome]] is related to the observations of the [[Data Set>>doc:Glossary.Data set.WebHome]].
235		-|(% style="width:211px" %)GroupRelationship|(% style="width:235px" %) |(% style="width:534px" %)The Data [[Attribute>>doc:Glossary.Attribute.WebHome]] is related to a Group [[Dimension>>doc:Glossary.Dimension.WebHome]] Descriptor construct.
236		-|(% style="width:211px" %) |(% style="width:235px" %)+groupKey|(% style="width:534px" %)An association to the Group [[Dimension>>doc:Glossary.Dimension.WebHome]] Descriptor
237		-|(% style="width:211px" %)DimensionRelationship|(% style="width:235px" %) |(% style="width:534px" %)The Data [[Attribute>>doc:Glossary.Attribute.WebHome]] is related to a set of [[Dimensions>>doc:Glossary.Dimension.WebHome]].
238		-|(% style="width:211px" %) |(% style="width:235px" %)+dimensions|(% style="width:534px" %)Association to the set of [[Dimensions>>doc:Glossary.Dimension.WebHome]] to which the Data [[Attribute>>doc:Glossary.Attribute.WebHome]] is related.
239		-|(% style="width:211px" %) |(% style="width:235px" %)+groupKey|(% style="width:534px" %)Association to the Group [[Dimension>>doc:Glossary.Dimension.WebHome]] Descriptor which specifies the set of [[Dimensions>>doc:Glossary.Dimension.WebHome]] to which the Data [[Attribute>>doc:Glossary.Attribute.WebHome]] is attached.
240		-|(% style="width:211px" %)MeasureRelationship|(% style="width:235px" %) |(% style="width:534px" %)The [[Measures>>doc:Glossary.Measure.WebHome]] that a Data [[Attribute>>doc:Glossary.Attribute.WebHome]] is reported for.
241		-|(% style="width:211px" %) |(% style="width:235px" %)+measures|(% style="width:534px" %)Association to the set of [[Measures>>doc:Glossary.Measure.WebHome]] to which a Data [[Attribute>>doc:Glossary.Attribute.WebHome]] is related to.
242		-|(% style="width:211px" %)SentinelValuesType|(% style="width:235px" %) |(% style="width:534px" %)This [[facet>>doc:Glossary.Facet.WebHome]] indicates that an [[Attribute>>doc:Glossary.Attribute.WebHome]] or a [[Measure>>doc:Glossary.Measure.WebHome]] has sentinel values with special meaning within their data type. This is realised by providing such values within the TextFormat, in addition to any textType or other [[Facet>>doc:Glossary.Facet.WebHome]].
243		-|(% style="width:211px" %)SentinelValue|(% style="width:235px" %) |(% style="width:534px" %)A value that has a special meaning within the text format [[representation>>doc:Glossary.Representation.WebHome]] of the [[Component>>doc:Glossary.Component.WebHome]].
	233	+)))|(% style="width:534px" %)Specifies the type of [[artefact>>doc:sdmx:Glossary 2\.1.Artefact.WebHome]] to which a Data [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] can be attached in a [[Data Set>>doc:sdmx:Glossary 2\.1.Data set.WebHome]].
	234	+|(% style="width:211px" %)ObservationRelationship|(% style="width:235px" %) |(% style="width:534px" %)The Data [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] is related to the observations of the [[Data Set>>doc:sdmx:Glossary 2\.1.Data set.WebHome]].
	235	+|(% style="width:211px" %)GroupRelationship|(% style="width:235px" %) |(% style="width:534px" %)The Data [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] is related to a Group Dimension Descriptor construct.
	236	+|(% style="width:211px" %) |(% style="width:235px" %)+groupKey|(% style="width:534px" %)An association to the Group Dimension Descriptor
	237	+|(% style="width:211px" %)DimensionRelationship|(% style="width:235px" %) |(% style="width:534px" %)The Data [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] is related to a set of Dimensions.
	238	+|(% style="width:211px" %) |(% style="width:235px" %)+dimensions|(% style="width:534px" %)Association to the set of Dimensions to which the Data [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] is related.
	239	+|(% style="width:211px" %) |(% style="width:235px" %)+groupKey|(% style="width:534px" %)Association to the Group Dimension Descriptor which specifies the set of Dimensions to which the Data [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] is attached.
	240	+|(% style="width:211px" %)MeasureRelationship|(% style="width:235px" %) |(% style="width:534px" %)The Measures that a Data [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] is reported for.
	241	+|(% style="width:211px" %) |(% style="width:235px" %)+measures|(% style="width:534px" %)Association to the set of Measures to which a Data [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] is related to.
	242	+|(% style="width:211px" %)SentinelValuesType|(% style="width:235px" %) |(% style="width:534px" %)This facet indicates that an [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] or a Measure has sentinel values with special meaning within their data type. This is realised by providing such values within the TextFormat, in addition to any textType or other Facet.
	243	+|(% style="width:211px" %)SentinelValue|(% style="width:235px" %) |(% style="width:534px" %)A value that has a special meaning within the text format representation of the Component.
244	244	|(% style="width:211px" %) |(% style="width:235px" %)+name|(% style="width:534px" %)An association of a Sentinel Value to a multilingual name.
245	245	|(% style="width:211px" %) |(% style="width:235px" %)+description|(% style="width:534px" %)An association of a Sentinel Value to a multilingual description.
246	246
247		-The explanation of the classes, [[attributes>>doc:Glossary.Attribute.WebHome]], and associations comprising the [[Representation>>doc:Glossary.Representation.WebHome]] is described in the section on the [[SDMX>>doc:Glossary.Statistical data and metadata exchange.WebHome]] Base.
	247	+The explanation of the classes, [[attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]], and associations comprising the [[Representation>>doc:IMElements.Representation.WebHome]] is described in the section on the [[SDMX>>doc:sdmx:Glossary 2\.1.Statistical data and metadata exchange.WebHome]] Base
248	248
	249	+.
	250	+
249	249	== 5.4 Data Set – Relationship View ==
250	250
251	251	=== 5.4.1 Context ===