Changes for page 5 Data Structure Definition and Dataset

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...	...	@@ -1,9 +1,5 @@
1		-{{box title="**Contents**"}}
2		-{{toc/}}
3		-{{/box}}
	1	+=== 5.1 Introduction ===
4	4
5		-== 5.1 Introduction ==
6		-
7	7	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 (also referred to as DSD) is used in this specification.
8	8
9	9	Many of the constructs in this layer of the model inherit from the SDMX Base Layer. Therefore, it is necessary to study both the inheritance and the relationship diagrams to understand the functionality of individual packages. In simple sub models these are shown in the same diagram but are omitted from the more complex sub models for the sake of clarity. In these cases, the inheritance diagram below shows the full inheritance tree for the classes concerned with data structure definitions.
...	...	@@ -13,42 +13,51 @@
13	13	The actual SDMX Base construct from which the concrete classes inherit depends upon the requirements of the class for:
14	14
15	15	Annotation – //AnnotableArtefact//
	12	+
16	16	Identification – //IdentifiableArtefact//
	14	+
17	17	Naming – //NameableArtefact//
	16	+
18	18	Versioning – //VersionableArtefact//
	18	+
19	19	Maintenance – //MaintainableArtefact//
20	20
	21	+=== 5.2 Inheritance View ===
21	21
22		-== 5.2 Inheritance View ==
	23	+==== 5.2.1 Class Diagram ====
23	23
24		-=== 5.2.1 Class Diagram ===
	25	+[[image:1749246368774-202.jpeg]]
25	25
26		-[[image:image53.png]]
27		-
28	28	**Figure 27 Class inheritance in the Data Structure Definition and Data Set Packages**
29	29
30		-=== 5.2.2 Explanation of the Diagram ===
	29	+===== 5.2.2 Explanation of the Diagram =====
31	31
32		-==== 5.2.2.1 Narrative ====
	31	+====== 5.2.2.1 Narrative ======
33	33
34	34	Those classes in the SDMX metamodel which require annotations inherit from //AnnotableArtefact//. These are:
35	35
36		-//IdentifiableArtefact
37		-DataSet
38		-Key// (and therefore //SeriesKey// and //GroupKey//)
	35	+//IdentifiableArtefact//
	36	+
	37	+//DataSet//
	38	+
	39	+//Key// (and therefore //SeriesKey// and //GroupKey//)
	40	+
39	39	//Observation//
40	40
41	41	Those classes in the SDMX metamodel which require annotations and global identity are derived from //IdentifiableArtefact//. These are:
42	42
43		-//NameableArtefact
44		-ComponentList
45		-Component//
	45	+//NameableArtefact//
46	46
	47	+//ComponentList//
	48	+
	49	+//Component//
	50	+
47	47	Those classes in the SDMX metamodel which require annotations, global identity, multilingual name and multilingual description are derived from //NameableArtefact//. These are:
48	48
49		-//VersionableArtefact
50		-Item//
	53	+//VersionableArtefact//
51	51
	55	+//Item//
	56	+
52	52	The classes in the SDMX metamodel which require annotations, global identity, multilingual name and multilingual description, and versioning are derived from //VersionableArtefact//. These are:
53	53
54	54	//MaintainableArtefact//
...	...	@@ -55,17 +55,22 @@
55	55
56	56	Abstract classes which represent information that is maintained by Maintenance Agencies all inherit from //MaintainableArtefact//, they also inherit all the features of a //VersionableArtefact//, and are:
57	57
58		-//StructureUsage
59		-Structure
60		-ItemScheme//
	63	+//StructureUsage//
61	61
	65	+//Structure//
	66	+
	67	+//ItemScheme//
	68	+
62	62	All the above classes are abstract. The key to understanding the class diagrams presented in this section are the concrete classes that inherit from these abstract classes.
63	63
64	64	Those concrete classes in the SDMX Data Structure Definition and Dataset packages of the metamodel which require to be maintained by Agencies all inherit (via other abstract classes) from //MaintainableArtefact//, these are:
65	65
66	66	Dataflow
	74	+
67	67	DataStructureDefinition
	76	+
68	68	The component structures that are lists of lists, inherit directly from //Structure//. A //Structure// contains several lists of components. The concrete class that inherits from //Structure// is:
	78	+
69	69	DataStructureDefinition
70	70
71	71	A DataStructureDefinition contains a list of dimensions, a list of measures and a list of attributes.
...	...	@@ -73,29 +73,34 @@
73	73	The concrete classes which inherit from //ComponentList// and are subcomponents of the DataStructureDefinition are:
74	74
75	75	DimensionDescriptor – content is Dimension and TimeDimension
	86	+
76	76	DimensionGroupDescriptor – content is an association to Dimension, TimeDimension
	88	+
77	77	MeasureDescriptor – content is Measure
	90	+
78	78	AttributeDescriptor – content is DataAttribute and an association to MetadataAttribute
79	79
80	80	The classes that inherit from //Component// are:
81	81
82	82	Measure
	96	+
83	83	//DimensionComponent// and thereby its sub classes of Dimension and TimeDimension
	98	+
84	84	//Attribute// and thereby its sub classes of DataAttribute and MetadataAttribute
85	85
86	86	The concrete classes identified above are the majority of the classes required to define the metamodel for the DataStructureDefinition. The diagrams and explanations in the rest of this section show how these concrete classes are related in order to support the functionality required.
87	87
88		-== 5.3 Data Structure Definition – Relationship View ==
	103	+==== //5.3 Data Structure Definition – Relationship View// ====
89	89
90		-=== 5.3.1 Class Diagram ===
	105	+===== 5.3.1 Class Diagram =====
91	91
92		-[[image:image54.png]]
	107	+[[image:1749246368782-690.jpeg]]
93	93
94	94	**Figure 28 Relationship class diagram of the Data Structure Definition excluding representation**
95	95
96		-=== 5.3.2 Explanation of the Diagrams ===
	111	+===== 5.3.2 Explanation of the Diagrams =====
97	97
98		-==== 5.3.2.1 Narrative ====
	113	+====== 5.3.2.1 Narrative ======
99	99
100	100	A DataStructureDefinition defines the Dimensions, TimeDimension, DataAttributes, and Measures, and associated Representations, that comprise the valid structure of data and related attributes that are contained in a DataSet, which is defined by a Dataflow. In addition, a DataStructureDefinition may be related to one MetadataStructureDefinition, in order to use the latter’s MetadataAttributes, by relating them to other //Components// within the DSD, as explained below.
101	101
...	...	@@ -134,20 +134,19 @@
134	134	* Observation (ObservationRelationship)
135	135	* In addition to the positioning of an //AttributeComponent// within a //DataSet//, another relationship indicates the Measure(s) for which the //AttributeComponent// is reported. Regardless of the position of the //AttributeComponent// within the //DataSet//, the //AttributeComponent// may concern one, more than one, or all Measures included in the DSD. This is expressed using the MeasureRelationship class, which relates a DataAttribute to one or more Measures. Lack of the MeasureRelationship defaults to a relationship to all Measures.
136	136
137		-[[image:image55.png]]
	152	+[[image:1749246368785-499.jpeg]]
138	138
139	139	**Figure 29: Attribute Attachment Defined in the Data Structure Definition**
140	140
141	141	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.
142	142
143		-(% style="width:1142.83px" %)
144		-|**Relationship**|(% style="width:537px" %)**Meaning**|(% style="width:434px" %)**Location in Data Set at which the Attribute is reported**
145		-|DataflowRelationship|(% style="width:537px" %)The value of the attribute is fixed for all data contained in the dataset. The Attribute value applies to all data defined by the underlying Dataflow.|(% style="width:434px" %)The attribute is reported at the Dataset level.
146		-|Dimension (1..n)|(% style="width:537px" %)The value of the attribute will vary with the value(s) of the referenced Dimension(s). In this case, Group(s) to which the attribute should be attached may optionally be specified.|(% style="width:434px" %)The attribute is reported at the lowest level of the Dimension to which the Attribute is related, otherwise at the level of the Group if Attachment Group(s) is specified.
147		-|Group|(% style="width:537px" %)The value of the Attribute 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 value varies based on all Group Dimension values.|(% style="width:434px" %)The attribute is reported at the level of Group.
148		-|Observation|(% style="width:537px" %)The value of the Attribute varies with the observed value.|(% style="width:434px" %)The attribute is reported at the level of Observation.
	158	+|**Relationship**|**Meaning**|**Location in Data Set at which the Attribute is reported**
	159	+|DataflowRelationship|The value of the attribute is fixed for all data contained in the dataset. The Attribute value applies to all data defined by the underlying Dataflow.|The attribute is reported at the Dataset level.
	160	+|Dimension (1..n)|The value of the attribute will vary with the value(s) of the referenced Dimension(s). In this case, Group(s) to which the attribute should be attached may optionally be specified.|The attribute is reported at the lowest level of the Dimension to which the Attribute is related, otherwise at the level of the Group if Attachment Group(s) is specified.
	161	+|Group|The value of the Attribute 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 value varies based on all Group Dimension values.|The attribute is reported at the level of Group.
	162	+|Observation|The value of the Attribute varies with the observed value.|The attribute is reported at the level of Observation.
149	149
150		-[[image:image56.png]]
	164	+[[image:1749246368790-555.jpeg]]
151	151
152	152	**Figure 30: Representation of DSD Components**
153	153
...	...	@@ -155,113 +155,134 @@
155	155
156	156	A DataStructureDefinition can be extended to form a derived DataStructureDefinition. This is supported in the StructureMap.
157	157
158		-==== 5.3.2.2 Definitions ====
	172	+**5.3.2.2 Definitions**
159	159
160		-(% style="width:981.835px" %)
161		-|(% style="width:204px" %)**Class**|(% style="width:236px" %)**Feature**|(% style="width:538px" %)**Description**
162		-|(% style="width:204px" %)StructureUsage|(% style="width:236px" %) |(% style="width:538px" %)See “SDMX Base”.
163		-|(% style="width:204px" %)Dataflow|(% style="width:236px" %)(((
	174	+|**Class**|**Feature**|**Description**
	175	+|StructureUsage| |See “SDMX Base”.
	176	+|Dataflow|(((
164	164	Inherits from
165	165
166	166	//StructureUsage//
167		-)))|(% 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.
168		-|(% style="width:204px" %) |(% style="width:236px" %)/structure|(% style="width:538px" %)Associates a Dataflow to the Data Structure Definition.
169		-|(% 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}}.
170		-|(% 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.
171		-|(% 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.
172		-|(% 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.
173		-|(% style="width:204px" %)GroupDimensionDescriptor|(% style="width:236px" %)(((
	180	+)))|Abstract concept (i.e., the structure without any data) of a flow of data that providers will provide for different reference periods.
	181	+| |/structure|Associates a Dataflow to the Data Structure Definition.
	182	+| |dimensionConstraint|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[[^^~[1~]^^>>path:#_ftn1]].
	183	+|DataStructureDefiniti on| |A collection of metadata concepts, their structure and usage when used to collect or disseminate data.
	184	+| |/grouping|An association to a set of metadata concepts that have an identified structural role in a Data Structure Definition.
	185	+| |evolvingStructure|An optional boolean property, defaulting to false. When true the DataStructureDefinition may have new Dimensions added without having to change its major version number.
	186	+|GroupDimensionDescrip tor|(((
174	174	Inherits from
	188	+
175	175	//ComponentList//
176		-)))|(% style="width:538px" %)A set of metadata concepts that define a partial key derived from the Dimension Descriptor in a Data Structure Definition.
177		-|(% style="width:204px" %) |(% style="width:236px" %)/components|(% style="width:538px" %)An association to the Dimension components that comprise the group.
178		-|(% style="width:204px" %)DimensionDescriptor|(% style="width:236px" %)(((
	190	+)))|A set of metadata concepts that define a partial key derived from the Dimension Descriptor in a Data Structure Definition.
	191	+| |/components|An association to the Dimension components that comprise the group.
	192	+|DimensionDescriptor|(((
179	179	Inherits from
	194	+
180	180	//ComponentList//
181		-)))|(% 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, uniquely identify a specific observation.
182		-|(% style="width:204px" %) |(% style="width:236px" %)/components|(% style="width:538px" %)An association to the Dimension and Time Dimension comprising the Key Descriptor.
183		-|(% style="width:204px" %)AttributeDescriptor|(% style="width:236px" %)(((
	196	+)))|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.
	197	+| |/components|An association to the Dimension and Time Dimension comprising the Key Descriptor.
	198	+|AttributeDescriptor|(((
184	184	Inherits from
	200	+
185	185	//ComponentList//
186		-)))|(% style="width:538px" %)A set metadata concepts that define the Attributes of a Data Structure Definition.
187		-|(% style="width:204px" %) |(% style="width:236px" %)/components|(% style="width:538px" %)An association to a Data Attribute component.
188		-|(% style="width:204px" %)MeasureDescriptor|(% style="width:236px" %)(((
	202	+)))|A set metadata concepts that define the Attributes of a Data Structure Definition.
	203	+| |/////components|An association to a Data Attribute component.
	204	+|MeasureDescriptor|(((
189	189	Inherits from
	206	+
190	190	//ComponentList//
191		-)))|(% style="width:538px" %)A metadata concept that defines the Measures of a Data Structure Definition.
192		-|(% style="width:204px" %) |(% style="width:236px" %)/components|(% style="width:538px" %)An association to a Measure component.
193		-|(% style="width:204px" %)//DimensionComponent//|(% style="width:236px" %)(((
	208	+)))|A metadata concept that defines the Measures of a Data Structure Definition.
	209	+| |/components|An association to a Measure component.
	210	+|//DimensionComponent//|(((
194	194	Inherits from
	212	+
195	195	//Component//
	214	+
196	196	Sub class
	216	+
197	197	Dimension
	218	+
198	198	TimeDimension
199		-)))|(% style="width:538px" %)An abstract class representing any Component that can be used for identifying observations.
200		-|(% style="width:211px" %) |(% style="width:235px" %)Order|(% style="width:534px" %)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.
201		-|(% style="width:211px" %)Dimension|(% style="width:235px" %)(((
	220	+)))|An abstract class representing any Component that can be used for identifying observations.
	221	+
	222	+
	223	+
	224	+
	225	+|**Class**|**Feature**|**Description**
	226	+| |Order|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.
	227	+|Dimension|(((
202	202	Inherits from
	229	+
203	203	//DimensionComponent//
204		-)))|(% 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 or a geographical reference area.
205		-|(% 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.
206		-|(% style="width:211px" %) |(% style="width:235px" %)/conceptIdentity|(% style="width:534px" %)An association to the metadata concept which defines the semantic of the Dimension.
207		-|(% style="width:211px" %)TimeDimension|(% style="width:235px" %)(((
	231	+)))|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.
	232	+| |/role|Association to the Concept that specifies the role that that the Dimension plays in the Data Structure Definition.
	233	+| |/conceptIdentity|An association to the metadata concept which defines the semantic of the Dimension.
	234	+|TimeDimension|(((
208	208	Inherits from
	236	+
209	209	//DimensionComponent//
210		-)))|(% style="width:534px" %)A metadata concept that identifies the component in the key structure that has the role of “time”.
211		-|(% style="width:211px" %)DataAttribute|(% style="width:235px" %)(((
	238	+)))|A metadata concept that identifies the component in the key structure that has the role of “time”.
	239	+|DataAttribute|(((
212	212	Inherits from
	241	+
213	213	//Component//
214		-)))|(% style="width:534px" %)A characteristic of an object or entity.
215		-|(% style="width:211px" %) |(% style="width:235px" %)/role|(% style="width:534px" %)Association to the Concept that specifies the role that that the Data Attribute plays in the Data Structure Definition.
216		-|(% style="width:211px" %) |(% style="width:235px" %)minOccurs|(% style="width:534px" %)Defines the minimum required occurrences for the Attribute. When equals to zero, the Attribute is conditional.
217		-|(% style="width:211px" %) |(% style="width:235px" %)maxOccurs|(% style="width:534px" %)Defines the maximum allowed occurrences for the Attribute.
218		-|(% style="width:211px" %) |(% style="width:235px" %)Usage|(% style="width:534px" %)Defines whether a Data Attribute must be reported or not.
219		-|(% style="width:211px" %) |(% style="width:235px" %)+relatedTo|(% style="width:534px" %)Association to an Attribute Relationship.
220		-|(% style="width:211px" %) |(% style="width:235px" %)/conceptIdentity|(% style="width:534px" %)An association to the Concept which defines the semantic of the component.
221		-|(% style="width:211px" %)Measure|(% style="width:235px" %)(((
	243	+)))|A characteristic of an object or entity.
	244	+| |/role|Association to the Concept that specifies the role that that the Data Attribute plays in the Data Structure Definition.
	245	+| |minOccurs|Defines the minimum required occurrences for the Attribute. When equals to zero, the Attribute is conditional.
	246	+| |maxOccurs|Defines the maximum allowed occurrences for the Attribute.
	247	+| |Usage|Defines whether a Data Attribute must be reported or not.
	248	+| |+relatedTo|Association to an Attribute Relationship.
	249	+| |/conceptIdentity|An association to the Concept which defines the semantic of the component.
	250	+|Measure|(((
222	222	Inherits from
	252	+
223	223	//Component//
224		-)))|(% style="width:534px" %)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.
225		-|(% style="width:211px" %) |(% style="width:235px" %)/conceptIdentity|(% style="width:534px" %)An association to the Concept which carries the values of the measures.
226		-|(% 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.
227		-|(% style="width:211px" %) |(% style="width:235px" %)maxOccurs|(% style="width:534px" %)Defines the maximum allowed occurrences for the Measure.
228		-|(% style="width:211px" %) |(% style="width:235px" %)Usage|(% style="width:534px" %)Defines whether a Measure must be reported or not.
229		-|(% style="width:211px" %)//AttributeRelationship//|(% style="width:235px" %)(((
	254	+)))|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.
	255	+| |/conceptIdentity|An association to the Concept which carries the values of the measures.
	256	+| |minOccurs|Defines the minimum required occurrences for the Measure. When equals to zero, the Measure is conditional.
	257	+| |maxOccurs|Defines the maximum allowed occurrences for the Measure.
	258	+| |Usage|Defines whether a Measure must be reported or not.
	259	+|//AttributeRelationship//|(((
230	230	Abstract Class
	261	+
231	231	Sub classes
232		-ObservationRelationship
233		-GroupRelationship DimensionRelationship
234		-)))|(% style="width:534px" %)Specifies the type of artefact to which a Data Attribute can be attached in a Data Set.
235		-|(% style="width:211px" %)ObservationRelationship|(% style="width:235px" %) |(% style="width:534px" %)The Data Attribute is related to the observations of the Data Set.
236		-|(% style="width:211px" %)GroupRelationship|(% style="width:235px" %) |(% style="width:534px" %)The Data Attribute is related to a Group Dimension Descriptor construct.
237		-|(% style="width:211px" %) |(% style="width:235px" %)+groupKey|(% style="width:534px" %)An association to the Group Dimension Descriptor
238		-|(% style="width:211px" %)DimensionRelationship|(% style="width:235px" %) |(% style="width:534px" %)The Data Attribute is related to a set of Dimensions.
239		-|(% style="width:211px" %) |(% style="width:235px" %)+dimensions|(% style="width:534px" %)Association to the set of Dimensions to which the Data Attribute is related.
240		-|(% 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 is attached.
241		-|(% style="width:211px" %)MeasureRelationship|(% style="width:235px" %) |(% style="width:534px" %)The Measures that a Data Attribute is reported for.
242		-|(% style="width:211px" %) |(% style="width:235px" %)+measures|(% style="width:534px" %)Association to the set of Measures to which a Data Attribute is related to.
243		-|(% style="width:211px" %)SentinelValuesType|(% style="width:235px" %) |(% style="width:534px" %)This facet indicates that an Attribute 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.
244		-|(% 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.
245		-|(% style="width:211px" %) |(% style="width:235px" %)+name|(% style="width:534px" %)An association of a Sentinel Value to a multilingual name.
246		-|(% style="width:211px" %) |(% style="width:235px" %)+description|(% style="width:534px" %)An association of a Sentinel Value to a multilingual description.
247	247
	264	+ObservationRelations hip
	265	+
	266	+GroupRelationship DimensionRelationshi p
	267	+)))|Specifies the type of artefact to which a Data Attribute can be attached in a Data Set.
	268	+|ObservationRelationsh ip| |The Data Attribute is related to the observations of the Data Set.
	269	+|GroupRelationship| |The Data Attribute is related to a Group Dimension Descriptor construct.
	270	+| |+groupKey|An association to the Group Dimension Descriptor
	271	+|DimensionRelationship| |The Data Attribute is related to a set of Dimensions.
	272	+| |+dimensions|Association to the set of Dimensions to which the Data Attribute is related.
	273	+| |+groupKey|Association to the Group Dimension Descriptor which specifies the set of Dimensions to which the Data Attribute is attached.
	274	+|MeasureRelationship| |The Measures that a Data Attribute is reported for.
	275	+| |+measures|Association to the set of Measures to which a Data Attribute is related to.
	276	+|SentinelValuesType| |This facet indicates that an Attribute 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.
	277	+|SentinelValue| |A value that has a special meaning within the text format representation of the Component.
	278	+| |+name|An association of a Sentinel Value to a multilingual name.
	279	+| |+description|An association of a Sentinel Value to a multilingual description.
	280	+
	281	+
	282	+
248	248	The explanation of the classes, attributes, and associations comprising the Representation is described in the section on the SDMX Base.
249	249
250		-== 5.4 Data Set – Relationship View ==
	285	+==== //5.4 Data Set – Relationship View// ====
251	251
252		-=== 5.4.1 Context ===
	287	+===== 5.4.1 Context =====
253	253
254	254	A data set comprises the collection of data values and associated metadata that are collected or disseminated according to a known DataStructureDefinition.
255	255
256		-=== 5.4.2 Class Diagram ===
	291	+===== 5.4.2 Class Diagram =====
257	257
258		-[[image:image57.png]]
	293	+[[image:1749246368794-672.jpeg]]
259	259
260	260	**Figure 31: Class Diagram of the Data Set**
261	261
262		-=== 5.4.3 Explanation of the Diagram ===
	297	+====== 5.4.3 Explanation of the Diagram ======
263	263
264		-==== 5.4.3.1 Narrative – Data Set ====
	299	+5.4.3.1 Narrative – Data Set
265	265
266	266	Note that the //DataSet// must conform to the DataStructureDefinition associated to the Dataflow for which this DataSet is an “instance of data”. Whilst the model shows the association to the classes of the DataStructureDefinition, this is for conceptual purposes to show the link to the DataStructureDefinition. In the actual //DataSet// as exchanged there must, of course, be a reference to the DataStructureDefinition and optionally a Dataflow or a ProvisionAgreement, but the DataStructureDefinition is not necessarily exchanged with the data. Therefore, the DataStructureDefinition classes are shown in the grey areas, as these are not a part of the //DataSet// when the //DataSet// is exchanged. However, the structural metadata in the DataStructureDefinition can be used by an application to validate the contents of the //DataSet// in terms of the valid content of a //KeyValue// as defined by the Representation in the DataStructureDefinition.
267	267
...	...	@@ -279,162 +279,214 @@
279	279
280	280	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 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 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//. If the Group is related to the DimensionRelationship in the DataStructureDefinition then the //AttributeValue// will be reported with the appropriate dimension in the SeriesKey or Observation.
281	281
282		-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 or MetadataAttributes of the linked MSD, respectively. The allowable Concepts and the objects to which these metadata can be associated (attached) are defined in the DataStructureDefinition and the linked MetadataStructureDefinition.
	317	+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 or MetadataAttributes of the linked MSD, respectively. The allowable Concepts and the objects to which these metadata can be associated (attached) are defined in the DataStructureDefinition and the linked MetadataStructureDefinition.
283	283
284	284	The //AttributeValue// links to the object type (SeriesKey, GroupKey, Observation) to which it is associated.
285	285
286		-==== 5.4.3.2 Definitions ====
	321	+5.4.3.2 Definitions
287	287
288		-(% style="width:964.835px" %)
289		-|(% style="width:200px" %)**Class**|(% style="width:285px" %)**Feature**|(% style="width:454px" %)**Description**
290		-|(% style="width:200px" %)//DataSet//|(% style="width:285px" %)(((
	323	+|**Class**|**Feature**|**Description**
	324	+|//DataSet//|(((
291	291	Abstract Class
	326	+
292	292	Sub classes
293		-StructureSpecificDataSet
294		-)))|(% style="width:454px" %)An organised collection of data.
295		-|(% style="width:200px" %) |(% style="width:285px" %)reportingBegin|(% style="width:454px" %)A specific time period in a known system of time periods that identifies the start period of a report.
296		-|(% style="width:200px" %) |(% style="width:285px" %)reportingEnd|(% style="width:454px" %)A specific time period in a known system of time periods that identifies the end period of a report.
297		-|(% style="width:200px" %) |(% style="width:285px" %)dataExtractionDate|(% style="width:454px" %)A specific time period that identifies the date and time that the data are extracted from a data source.
298		-|(% style="width:200px" %) |(% style="width:285px" %)validFrom|(% style="width:454px" %)Indicates the inclusive start time indicating the validity of the information in the data set.
299		-|(% style="width:200px" %) |(% style="width:285px" %)validTo|(% style="width:454px" %)Indicates the inclusive end time indicating the validity of the information in the data set.
300		-|(% style="width:200px" %) |(% style="width:285px" %)publicationYear|(% style="width:454px" %)Specifies the year of publication of the data or metadata in terms of whatever provisioning agreements might be in force.
301		-|(% style="width:200px" %) |(% style="width:285px" %)publicationPeriod|(% style="width:454px" %)Specifies the period of publication of the data or metadata in terms of whatever provisioning agreements might be in force.
302		-|(% style="width:200px" %) |(% style="width:285px" %)setId|(% style="width:454px" %)Provides an identification of the data set.
303		-|(% style="width:200px" %) |(% style="width:285px" %)action|(% style="width:454px" %)Defines the action to be taken by the recipient system (information, append, replace, delete)
304		-|(% style="width:200px" %) |(% style="width:285px" %)describedBy|(% style="width:454px" %)(((
305		-Associates a Dataflow and thereby a Data Structure Definition to the data set.
	328	+
	329	+StructureSpecificData
	330	+
	331	+Set
	332	+)))|An organised collection of data.
	333	+| |reportingBegin|A specific time period in a known system of time periods that identifies the start period of a report.
	334	+| |reportingEnd|A specific time period in a known system of time periods that identifies the end period of a report.
	335	+| |dataExtractionDate|A specific time period that identifies the date and time that the data are extracted from a data source.
	336	+| |validFrom|Indicates the inclusive start time indicating the validity of the information in the data set.
	337	+| |validTo|Indicates the inclusive end time indicating the validity of the information in the data set.
	338	+| |publicationYear|Specifies the year of publication of the data or metadata in terms of whatever provisioning agreements might be in force.
	339	+| |publicationPeriod|Specifies the period of publication of the data or metadata in terms of whatever provisioning agreements might be in force.
	340	+| |setId|Provides an identification of the data set.
	341	+| |action|Defines the action to be taken by the recipient system (information, append, replace, delete)
	342	+| |describedBy|(((
	343	+Associates a Dataflow and thereby a Data Structure
	344	+
	345	+Definition to the data set.
306	306	)))
307		-|(% style="width:200px" %) |(% style="width:285px" %)+structuredBy|(% style="width:454px" %)(((
308		-Associates the Data Structure Definition that defines the structure of the Data Set. Note that the Data Structure Definition is the same as that associated (non-mandatory) to the Dataflow.
	347	+| |+structuredBy|(((
	348	+Associates the Data Structure Definition that defines the structure of the Data Set. Note that the Data Structure Definition is the same as that associated
	349	+
	350	+(non-mandatory) to the Dataflow.
309	309	)))
310		-|(% style="width:200px" %) |(% style="width:285px" %)+publishedBy|(% style="width:454px" %)Associates the Data Provider that reports/publishes the data.
311		-|(% style="width:200px" %)StructureSpecificDataSet|(% style="width:285px" %) |(% style="width:454px" %)An XML specific data format structure that contains data corresponding to one specific Data Structure Definition.
312		-|(% style="width:200px" %)//Key//|(% style="width:285px" %)(((
	352	+| |+publishedBy|Associates the Data Provider that reports/publishes the data.
	353	+|StructureSpecific DataSet| |An XML specific data format structure that contains data corresponding to one specific Data Structure Definition.
	354	+|//Key//|(((
313	313	Abstract class
	356	+
314	314	Sub classes
	358	+
315	315	SeriesKey
	360	+
316	316	GroupKey
317		-)))|(% style="width:454px" %)Comprises the cross product of values of dimensions that identify uniquely an Observation.
318		-|(% style="width:200px" %) |(% style="width:285px" %)keyValues|(% style="width:454px" %)Association to the individual Key Values that comprise the Key.
319		-|(% style="width:200px" %) |(% style="width:285px" %)+attachedAttribute|(% style="width:454px" %)Association to the Attribute Values relating to the Series Key or Group Key.
320		-|(% style="width:200px" %)//KeyValue//|(% style="width:285px" %)(((
	362	+)))|Comprises the cross product of values of dimensions that identify uniquely an Observation.
	363	+| |keyValues|Association to the individual Key Values that comprise the Key.
	364	+| |+attachedAttribute|Association to the Attribute Values relating to the Series Key or Group Key.
	365	+|//KeyValue//|(((
321	321	Abstract class
	367	+
322	322	Sub classes
	369	+
323	323	TimeKeyValue
	371	+
324	324	CodedKeyValue
	373	+
325	325	UncodedKeyValue
326		-)))|(% style="width:454px" %)The value of a component of a key such as the value of the instance a Dimension in a Dimension Descriptor of a Data Structure Definition.
327		-|(% style="width:200px" %) |(% style="width:285px" %)+valueFor|(% style="width:454px" %)(((
	375	+)))|The value of a component of a key such as the value of the instance a Dimension in a Dimension Descriptor of a Data Structure Definition.
	376	+| |+valueFor|(((
328	328	Association to the key component in the Data Structure Definition for which this Key Value is a valid representation.
	378	+
329	329	Note that this is conceptual association as the key component is identified explicitly in the data set.
330	330	)))
331		-|(% style="width:200px" %)TimeKeyValue|(% style="width:285px" %)(((
	381	+|TimeKeyValue|(((
332	332	Inherits from
	383	+
333	333	//KeyValue//
334		-)))|(% style="width:454px" %)The value of the Time Dimension component of the key.
335		-|(% style="width:200px" %)CodedKeyValue|(% style="width:285px" %)(((
	385	+)))|The value of the Time Dimension component of the key.
	386	+|CodedKeyValue|(((
336	336	Inherits from
	388	+
337	337	//KeyValue//
338		-)))|(% style="width:454px" %)The value of a coded component of the key. The value is the Code to which this class is associated.
339		-|(% style="width:200px" %) |(% style="width:285px" %)+valueOf|(% style="width:454px" %)Association to the Code. Note that this is a conceptual association showing that the Code must exist in the Code list associated with the Dimension in the Data Structure Definition. In the actual Data Set the value of the Code is placed in the Key Value.
340		-|(% style="width:200px" %)UnCodedKeyValue|(% style="width:285px" %)(((
	390	+)))|The value of a coded component of the key. The value is the Code to which this class is associated.
	391	+| |+valueOf|Association to the Code. Note that this is a conceptual association showing that the Code must exist in the Code list associated with the Dimension in the Data Structure Definition. In the actual Data Set the value of the Code is placed in the Key Value.
	392	+|UnCodedKeyValue|(((
341	341	Inherits from
	394	+
342	342	//KeyValue//
343		-)))|(% style="width:454px" %)The value of an uncoded component of the key.
344		-|(% style="width:200px" %) |(% style="width:285px" %)value|(% style="width:454px" %)The value of the key component.
345		-|(% style="width:200px" %) |(% style="width:285px" %)startTime|(% style="width:454px" %)This attribute is only used if the textFormat of the attribute is of the Timespan type in the Data Structure Definition (in which case the value field takes a duration).
346		-|(% style="width:200px" %)GroupKey|(% style="width:285px" %)(((
	396	+)))|The value of an uncoded component of the key.
	397	+| |value|The value of the key component.
	398	+| |startTime|This attribute is only used if the textFormat of the attribute is of the Timespan type in the Data Structure Definition (in which case the value field takes a duration).
	399	+|GroupKey|(((
347	347	Inherits from
	401	+
348	348	//Key//
349		-)))|(% style="width:454px" %)A set of Key Values that comprise a partial key, of the same dimensionality as the Time Series Key for the purpose of attaching Data Attributes.
350		-|(% style="width:200px" %) |(% style="width:285px" %)+describedBy|(% style="width:454px" %)Associates the Group Dimension Descriptor defined in the Data Structure Definition.
351		-|(% style="width:200px" %)SeriesKey|(% style="width:285px" %)(((
	403	+)))|A set of Key Values that comprise a partial key, of the same dimensionality as the Time Series Key for the purpose of attaching Data Attributes.
	404	+| |+describedBy|Associates the Group Dimension Descriptor defined in the Data Structure Definition.
	405	+|SeriesKey|(((
352	352	Inherits from
	407	+
353	353	//Key//
354		-)))|(% style="width:454px" %)Comprises the cross product of values of all the Key Values that, together with the Key Value of the +observation Dimension identify uniquely an Observation.
355		-|(% style="width:200px" %) |(% style="width:285px" %)+describedBy|(% style="width:454px" %)Associates the Dimension Descriptor defined in the Data Structure Definition.
356		-|(% style="width:200px" %)Observation|(% style="width:285px" %) |(% style="width:454px" %)The value(s) of the observed phenomenon in the context of the Key Values comprising the key.
357		-|(% style="width:200px" %) |(% style="width:285px" %)+valueFor|(% style="width:454px" %)(((
	409	+)))|Comprises the cross product of values of all the Key Values that, together with the Key Value of the +observation Dimension identify uniquely an Observation.
	410	+| |+describedBy|Associates the Dimension Descriptor defined in the Data Structure Definition.
	411	+|Observation| |The value(s) of the observed phenomenon in the context of the Key Values comprising the key.
	412	+| |+valueFor|(((
358	358	Associates the Measure(s) defined in the Data Structure Definition.
359	359
360	360	The source multiplicity (1..*) indicates that more than one values may be provided for a Measure, if the latter allows it.
361	361	)))
362		-|(% style="width:200px" %) |(% style="width:285px" %)+attachedAttribute|(% style="width:454px" %)Association to the Attribute Values relating to the Observation.
363		-|(% style="width:200px" %) |(% style="width:285px" %)+observationDimension|(% style="width:454px" %)Association to the Key Value that holds the value of the “Dimension at the Observation Level”.
364		-|(% style="width:200px" %)//ObservationValue//|(% style="width:285px" %)(((
	417	+| |+attachedAttribute|Association to the Attribute Values relating to the Observation.
	418	+| |+observationDimension|Association to the Key Value that holds the value of the “Dimension at the Observation Level”.
	419	+|//ObservationValue//|(((
365	365	Abstract class
	421	+
366	366	Sub classes
367		-//UncodedObservationValue//
	423	+
	424	+//UncodedObservationVal ue//
	425	+
368	368	CodedObservation
369		-)))|(% style="width:454px" %)
370		-|(% style="width:200px" %)//UncodedObservationValue//|(% style="width:285px" %)(((
	427	+)))|
	428	+|//UncodedObservatio nValue//|(((
371	371	Abstract class
	430	+
372	372	Inherits from
	432	+
373	373	//ObservationValue//
	434	+
374	374	Sub classes
375		-OtherUncodedMeasureValue
	436	+
	437	+OtherUncodedMeasureVa lue
	438	+
376	376	TextMeasureValue
377		-)))|(% style="width:454px" %)
378		-|(% style="width:200px" %)OtherUncodedMeasureValue|(% style="width:285px" %)(((
	440	+)))|
	441	+|OtherUncodedMeasu reValue|(((
379	379	Inherits from
380		-//UncodedObservationValue//
381		-)))|(% style="width:454px" %)An observation that has a text value.
382		-|(% style="width:200px" %) |(% style="width:285px" %)value|(% style="width:454px" %)The value of the Uncoded Observation.
383		-|(% style="width:200px" %) |(% style="width:285px" %)startTime|(% style="width:454px" %)This attribute is only used if the textFormat of the Measure is of the Timespan type in the Data Structure Definition (in which case the value field takes a duration).
384		-|(% style="width:200px" %)TextMeasureValue|(% style="width:285px" %)(((
	443	+
	444	+//UncodedObservationVal ue//
	445	+)))|An observation that has a text value.
	446	+| |value|The value of the Uncoded Observation.
	447	+| |startTime|This attribute is only used if the textFormat of the Measure is of the Timespan type in the Data Structure Definition (in which case the value field takes a duration).
	448	+|TextMeasureValue|(((
385	385	Inherits from
386		-//UncodedObservationValue//
387		-)))|(% style="width:454px" %)An observation that has a localised text value
388		-|(% style="width:200px" %) |(% style="width:285px" %)text|(% style="width:454px" %)The localised text values.
389		-|(% style="width:200px" %)CodedObservation|(% style="width:285px" %)(((
	450	+
	451	+//UncodedObservationVal ue//
	452	+)))|An observation that has a localised text value
	453	+| |text|The localised text values.
	454	+|CodedObservation|(((
390	390	Inherits from
	456	+
391	391	//ObservationValue//
392		-)))|(% style="width:454px" %)An Observation that takes its value from a code in a Code list.
393		-|(% style="width:200px" %) |(% style="width:285px" %)+valueOf|(% style="width:454px" %)Association to the Code that is the value of the Observation. Note that this is a conceptual association showing that the Code must exist in the Codelist(s) associated with the Measure(s) in the Data Structure Definition. In the actual Data Set the value of the Code is placed in the Observation.
394		-|(% style="width:200px" %)//AttributeValue//|(% style="width:285px" %)(((
	458	+)))|An Observation that takes its value from a code in a Code list.
	459	+| |+valueOf|Association to the Code that is the value of the Observation. Note that this is a conceptual association showing that the Code must exist in the Codelist(s) associated with the Measure(s) in the Data Structure Definition. In the actual Data Set the value of the Code is placed in the Observation.
	460	+|//AttributeValue//|(((
395	395	Abstract class
	462	+
396	396	Sub classes
397		-//DataAttributeValue// //MetadataAttributeValue//
398		-)))|(% style="width:454px" %)Represents the value for any Attribute reported in the Dataset, i.e., Data or Metadata Attribute.
399		-|(% style="width:200px" %)//DataAttributeValue//|(% style="width:285px" %)(((
	464	+
	465	+//DataAttributeValue// //MetadataAttributeValu e//
	466	+)))|Represents the value for any Attribute reported in the Dataset, i.e., Data or Metadata Attribute.
	467	+|//DataAttributeValu e//|(((
400	400	Abstract class
	469	+
401	401	Inherits from
	471	+
402	402	//AttributeValue//
	473	+
403	403	Sub classes
404		-//UncodedAttributeValue
405		-CodedAttributeValue//
406		-)))|(% style="width:454px" %)The value of a Data Attribute, such as the instance of a Coded Attribute or of an Uncoded Attribute in a structure such as a Data Structure Definition.
407		-|(% style="width:200px" %) |(% style="width:285px" %)+valueFor|(% style="width:454px" %)(((
	475	+
	476	+//UncodedAttributeValue//
	477	+
	478	+//CodedAttributeValue//
	479	+)))|The value of a Data Attribute, such as the instance of a Coded Attribute or of an Uncoded Attribute in a structure such as a Data Structure Definition.
	480	+| |+valueFor|(((
408	408	Association to the Data Attribute defined in the Data Structure Definition. Note that this is conceptual association as the Concept is identified explicitly in the data set.
	482	+
409	409	The source multiplicity (1..*) indicates the possibility to provide more than one values for a Data Attribute, if the latter allows it.
410	410	)))
411		-|(% style="width:200px" %)//MetadataAttributeValue//|(% style="width:285px" %)(((
412		-(explained further in section “Metadata Set”)
413		-)))|(% style="width:454px" %)The value of a Metadata Attribute, as specified in the Metadata Structure Definition, which is linked in the Data Structure Definition
414		-|(% style="width:200px" %)//UncodedAttributeValue//|(% style="width:285px" %)(((
	485	+|//MetadataAttribute Value//|(((
	486	+(explained further in section
	487	+
	488	+“Metadata Set”)
	489	+)))|The value of a Metadata Attribute, as specified in the Metadata Structure Definition, which is linked in the Data Structure Definition
	490	+|//UncodedAttributeV alue//|(((
415	415	Inherits from
	492	+
416	416	//AttributeValue//
	494	+
417	417	Sub classes
418		-OtherUncodedAttributeValue
	496	+
	497	+OtherUncodedAttribute
	498	+
	499	+Value
	500	+
419	419	TextAttributeValue
420		-)))|(% style="width:454px" %)
421		-|(% style="width:200px" %)OtherUncodedAttributeValue|(% style="width:285px" %)(((
	502	+)))|
	503	+|OtherUncodedAttri buteValue|(((
422	422	Inherits from
423		-//UncodedObservationValue//
424		-)))|(% style="width:454px" %)An attribute value that has a text value
425		-|(% style="width:200px" %) |(% style="width:285px" %)value|(% style="width:454px" %)The value of the Uncoded attribute.
426		-|(% style="width:200px" %) |(% style="width:285px" %)startTime|(% style="width:454px" %)This attribute is only used if the textFormat of the attribute is of the Timespan type in the Data Structure Definition (in which case the value field takes a duration).
427		-|(% style="width:200px" %)TextAttributeValue|(% style="width:285px" %)(((
	505	+
	506	+//UncodedObservationVal ue//
	507	+)))|An attribute value that has a text value
	508	+| |value|The value of the Uncoded attribute.
	509	+| |startTime|This attribute is only used if the textFormat of the attribute is of the Timespan type in the Data Structure Definition (in which case the value field takes a duration).
	510	+|TextAttributeValu e|(((
428	428	Inherits from
	512	+
429	429	//UncodedAttributeValue//
430		-)))|(% style="width:454px" %)An attribute that has a localised text value
431		-|(% style="width:200px" %) |(% style="width:285px" %)text|(% style="width:454px" %)The localised text values.
432		-|(% style="width:200px" %)CodedAttributeValue|(% style="width:285px" %)(((
	514	+)))|An attribute that has a localised text value
	515	+| |text|The localised text values.
	516	+|CodedAttributeVal ue|(((
433	433	Inherits from
	518	+
434	434	//AttributeValue//
435		-)))|(% style="width:454px" %)An attribute that takes it value from a Code in Code list.
436		-|(% style="width:200px" %) |(% style="width:285px" %)+valueOf|(% style="width:454px" %)Association to the Code that is the value of the Attribute Value. Note that this is a conceptual association showing that the Code must exist in the Code list associated with the Data Attribute in the Data Structure Definition. In the actual Data Set the value of the Code is placed in the Attribute Value.
	520	+)))|An attribute that takes it value from a Code in Code list.
	521	+| |+valueOf|Association to the Code that is the value of the Attribute Value. Note that this is a conceptual association showing that the Code must exist in the Code list associated with the Data Attribute in the Data Structure Definition. In the actual Data Set the value of the Code is placed in the Attribute Value.
437	437
	523	+
	524	+
438	438	----
439	439
440		-{{putFootnotes/}}
	527	+[[~[1~]>>path:#_ftnref1]] 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.

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1749246368794-672.jpeg

Author

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Content

SKMS.Methodology.Code.MethodologyClass[0]

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SUZ.Methodology.Code.MethodologyClass[0]

index

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