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

From version 8.6
edited by Helena
on 2025/05/16 13:51
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To version 8.3
edited by Helena
on 2025/05/16 13:50
Change comment: There is no comment for this version

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... ... @@ -153,8 +153,10 @@
153 153  
154 154  **Figure 30: Representation of DSD Components**
155 155  
156 -Each of Dimension, TimeDimension, Measure, DataAttribute and MetadataAttribute can have a Representation specified (using the localRepresentation association). If this is not specified in the DataStructureDefinition then the representation specified for Concept (coreRepresentation) is used. Measure, and DataAttribute may be also represented by multilingual text (as seen in the DataSet diagram further down). An exception is the MetadataAttribute, where its Representation is specified in the MetadataStructureDefinition.
156 +Each of Dimension, TimeDimension, Measure, DataAttribute and MetadataAttribute can have a Representation specified (using the localRepresentation association). If this is not specified in the DataStructureDefinition then the representation specified for Concept
157 157  
158 +(coreRepresentation) is used. Measure, and DataAttribute may be also represented by multilingual text (as seen in the DataSet diagram further down). An exception is the MetadataAttribute, where its Representation is specified in the MetadataStructureDefinition.
159 +
158 158  A DataStructureDefinition can be extended to form a derived DataStructureDefinition. This is supported in the StructureMap.
159 159  
160 160  ==== 5.3.2.2 Definitions ====
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167 167  |StructureUsage|(% style="width:194px" %) |(% style="width:454px" %)See “SDMX Base”.
168 168  |Dataflow|(% style="width:194px" %)(((
169 169  Inherits from
172 +
170 170  //StructureUsage//
171 171  )))|(% style="width:454px" %)Abstract concept (i.e., the structure without any data) of a flow of data that providers will provide for different reference periods.
172 172  | |(% style="width:194px" %)/structure|(% style="width:454px" %)Associates a Dataflow to the Data Structure Definition.
... ... @@ -174,11 +174,13 @@
174 174  | |(% style="width:194px" %)/grouping|(% style="width:454px" %)An association to a set of metadata concepts that have an identified structural role in a Data Structure Definition.
175 175  |GroupDimensionDescrip tor|(% style="width:194px" %)(((
176 176  Inherits from
180 +
177 177  //ComponentList//
178 178  )))|(% style="width:454px" %)A set of metadata concepts that define a partial key derived from the Dimension Descriptor in a Data Structure Definition.
179 179  | |(% style="width:194px" %)/components|(% style="width:454px" %)An association to the Dimension components that comprise the group.
180 180  |DimensionDescriptor|(% style="width:194px" %)(((
181 181  Inherits from
186 +
182 182  //ComponentList//
183 183  )))|(% style="width:454px" %)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, uniquely identify a specific observation.
184 184  | |(% style="width:194px" %)/components|(% style="width:454px" %)(((
... ... @@ -186,24 +186,29 @@
186 186  )))
187 187  |AttributeDescriptor|(% style="width:194px" %)(((
188 188  Inherits from
194 +
189 189  //ComponentList//
190 190  )))|(% style="width:454px" %)A set metadata concepts that define the Attributes of a Data Structure Definition.
191 191  | |(% style="width:194px" %)/components|(% style="width:454px" %)An association to a Data Attribute component.
192 192  |MeasureDescriptor|(% style="width:194px" %)(((
193 193  Inherits from
200 +
194 194  //ComponentList//
195 195  )))|(% style="width:454px" %)A metadata concept that defines the Measures of a Data Structure Definition.
196 196  | |(% style="width:194px" %)/components|(% style="width:454px" %)An association to a Measure component.
197 197  |//DimensionComponent//|(% style="width:194px" %)(((
198 198  Inherits from
206 +
199 199  //Component//
200 200  
201 201  Sub class Dimension
210 +
202 202  TimeDimension
203 203  )))|(% style="width:454px" %)An abstract class representing any Component that can be used for identifying observations.
204 204  | |(% style="width:194px" %)order|(% style="width:454px" %)Specifies the order of the Dimension Components within the DSD. The property is used to indicate the position of the Dimension Component and determines the Key for identifying observations, or series. The Time Dimension, when specified, must be the last within the Dimension Descriptor.
205 205  |Dimension|(% style="width:194px" %)(((
206 206  Inherits from
216 +
207 207  //DimensionComponent//
208 208  )))|(% style="width:454px" %)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 or a geographical reference area.
209 209  | |(% style="width:194px" %)/role|(% style="width:454px" %)Association to the Concept that specifies the role that that the Dimension plays in the Data Structure Definition.
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210 210  | |(% style="width:194px" %)/conceptIdentity|(% style="width:454px" %)An association to the metadata concept which defines the semantic of the Dimension.
211 211  |TimeDimension|(% style="width:194px" %)(((
212 212  Inherits from
223 +
213 213  //DimensionComponent//
214 214  )))|(% style="width:454px" %)A metadata concept that identifies the component in the key structure that has the role of “time”.
215 215  |DataAttribute|(% style="width:194px" %)(((
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225 225  | |(% style="width:194px" %)/conceptIdentity|(% style="width:454px" %)An association to the Concept which defines the semantic of the component.
226 226  |Measure|(% style="width:194px" %)(((
227 227  Inherits from
239 +
228 228  //Component//
229 229  )))|(% style="width:454px" %)The metadata concept that is the phenomenon to be measured in a data set. In a data set the instance of the measure is often called the observation.
230 230  | |(% style="width:194px" %)/conceptIdentity|(% style="width:454px" %)An association to the Concept which carries the values of the measures.
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233 233  | |(% style="width:194px" %)usage|(% style="width:454px" %)Defines whether a Measure must be reported or not.
234 234  |//AttributeRelationship//|(% style="width:194px" %)(((
235 235  Abstract Class
248 +
236 236  Sub classes
250 +
237 237  ObservationRelationship
252 +
238 238  GroupRelationship DimensionRelationshi p
239 239  )))|(% style="width:454px" %)Specifies the type of artefact to which a Data Attribute can be attached in a Data Set.
240 240  |ObservationRelationsh ip|(% style="width:194px" %) |(% style="width:454px" %)The Data Attribute is related to the observations of the Data Set.
... ... @@ -275,8 +275,10 @@
275 275  
276 276  A //DataSet// is formatted as a DataStructureDefinition specific data set (StructureSpecificDataSet). The structured data set is structured according to one specific DataStructureDefinition; hence the latter is required for validation at the syntax level.
277 277  
278 -A //DataSet// is a collection of a set of //Observation//s that share the same dimensionality, which is specified by a set of unique components (Dimension, TimeDimension) defined in the DimensionDescriptor of the DataStructureDefinition, together with associated
293 +A //DataSet// is a collection of a set of //Observation//s that share the same dimensionality, which is specified by a set of unique components (Dimension, TimeDimension) defined in the
279 279  
295 +DimensionDescriptor of the DataStructureDefinition, together with associated
296 +
280 280  //AttributeValue//s that define specific characteristics about the artefact to which it is attached – //Observation//s, set of Dimensions. It can be structured in terms of a SeriesKey to which //Observation//s are reported.
281 281  
282 282  The //Observation// can be the value(s) of the variable(s) being measured for the 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 at the Observation Level”. Any Dimension can be specified as being the “Dimension at the Observation Level”, and this specification is made at the level of the //DataSet// (i.e., it must be the same Dimension for the entire //DataSet//).