Changes for page 3 SDMX Base Package

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	1	+Methodology.SDMX STANDARDS 3\.0\: SECTION 2\. INFORMATION MODEL\: UML CONCEPTUAL DESIGN.WebHome

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4	4
5	5	== 3.1 Introduction ==
6	6
7		-The constructs in the SDMX Base package comprise the fundamental building blocks that support many of the other structures in the model. For this reason, many of the classes in this package are abstract (i.e., only derived sub-classes can exist in an implementation).
	7	+The constructs in the [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] Base package comprise the fundamental building blocks that support many of the other structures in the model. For this reason, many of the classes in this package are abstract (i.e., only derived sub-classes can exist in an implementation).
8	8
9		-The motivation for establishing the SDMX Base package is as follows:
	9	+The motivation for establishing the [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] Base package is as follows:
10	10
11	11	it is accepted “Best Practise” to identify fundamental archetypes occurring in a model
12		-
13	13	identification of commonly found structures or “patterns” leads to easier understanding
14		-
15	15	identification of patterns encourages re-use
16	16
17		-Each of the class diagrams in this section views classes from the SDMX Base package from a different perspective. There are detailed views of specific patterns, plus overviews showing inheritance between classes, and relationships amongst classes.
	15	+Each of the class diagrams in this section views classes from the [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] Base package from a different perspective. There are detailed views of specific patterns, plus overviews showing inheritance between classes, and relationships amongst classes.
18	18
19	19	== 3.2 Base Structures - Identification, Versioning, and Maintenance ==
20	20
...	...	@@ -28,19 +28,19 @@
28	28
29	29	==== 3.2.2.1 Narrative ====
30	30
31		-This group of classes forms the nucleus of the administration facets of SDMX objects. They provide features which are reusable by derived classes to support horizontal functionality such as identity, versioning etc.
	29	+This group of classes forms the nucleus of the administration [[facets>>doc:xwiki:Glossary.Facet.WebHome]] of [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] objects. They provide features which are reusable by derived classes to support horizontal functionality such as identity, versioning etc.
32	32
33		-All classes derived from the abstract class //AnnotableArtefact// may have Annotations (or notes): this supports the need to add notes to all SDMX-ML elements. The Annotation is used to convey extra information to describe any SDMX construct. This information may be in the form of a URL reference and/or a multilingual text (represented by the association to InternationalString).
	31	+All classes derived from the abstract class //AnnotableArtefact// may have [[Annotations>>doc:xwiki:Glossary.Annotation.WebHome]] (or notes): this supports the need to add notes to all [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]] elements. The [[Annotation>>doc:xwiki:Glossary.Annotation.WebHome]] is used to convey extra information to describe any [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] construct. This information may be in the form of a URL reference and/or a multilingual text (represented by the association to InternationalString).
34	34
35		-The //IdentifiableArtefact// is an abstract class that comprises the basic attributes needed for identification. Concrete classes based on //IdentifiableArtefact// all inherit the ability to be uniquely identified.
	33	+The //IdentifiableArtefact// is an abstract class that comprises the basic [[attributes>>doc:xwiki:Glossary.Attribute.WebHome]] needed for identification. Concrete classes based on //IdentifiableArtefact// all inherit the ability to be uniquely identified.
36	36
37		-The //NamableArtefact// is an abstract class that inherits from //IdentifiableArtefact //and in addition the +description and +name roles support multilingual descriptions and names for all objects based on //NameableArtefact//. The InternationalString supports the representation of a description in multiple locales (locale is similar to language but includes geographic variations such as Canadian French, US English etc.). The //LocalisedString// supports the representation of a description in one locale.
	35	+The //NamableArtefact// is an abstract class that inherits from //IdentifiableArtefact //and in addition the +description and +name roles support multilingual descriptions and names for all objects based on //NameableArtefact//. The InternationalString supports the [[representation>>doc:xwiki:Glossary.Representation.WebHome]] of a description in multiple locales (locale is similar to language but includes geographic variations such as Canadian French, US English etc.). The //LocalisedString// supports the [[representation>>doc:xwiki:Glossary.Representation.WebHome]] of a description in one locale.
38	38
39		-//VersionableArtefact// is an abstract class which inherits from //NameableArtefact// and adds versioning ability to all classes derived from it, as explained in the SDMX versioning rules in SDMX Standards Section 6 “Technical Notes”, paragraph “4.3 Versioning”.
	37	+//VersionableArtefact// is an abstract class which inherits from //NameableArtefact// and adds versioning ability to all classes derived from it, as explained in the [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] versioning rules in [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] Standards Section 6 “Technical Notes”, paragraph “4.3 Versioning”.
40	40
41	41	//MaintainableArtefact// further adds the ability for derived classes to be maintained via its association to an //Organisation//, and adds locational information (i.e., from where the object can be retrieved).
42	42
43		-The inheritance chain from //AnnotableArtefact// through to //MaintainableArtefact// allows SDMX classes to inherit the features they need, from simple annotation, through identity, naming, to versioning and maintenance.
	41	+The inheritance chain from //AnnotableArtefact// through to //MaintainableArtefact// allows [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] classes to inherit the features they need, from simple [[annotation>>doc:xwiki:Glossary.Annotation.WebHome]], through identity, naming, to versioning and maintenance.
44	44
45	45	==== 3.2.2.2 Definitions ====
46	46
...	...	@@ -48,69 +48,62 @@
48	48	|**Class**|(% style="width:244px" %)**Feature**|(% style="width:514px" %)**Description**
49	49	|//AnnotableArtefact//|(% style="width:244px" %)(((
50	50	Base inheritance sub classes are:
51		-
52	52	//IdentifiableArtefact//
53		-)))|(% style="width:514px" %)Objects of classes derived from this can have attached annotations.
54		-|Annotation|(% style="width:244px" %) |(% style="width:514px" %)Additional descriptive information attached to an object.
55		-| |(% style="width:244px" %)id|(% style="width:514px" %)Identifier for the Annotation. It can be used to disambiguate one Annotation from another where there are several Annotations for the same annotated object.
56		-| |(% style="width:244px" %)title|(% style="width:514px" %)A title used to identify an annotation.
57		-| |(% style="width:244px" %)type|(% style="width:514px" %)Specifies how the annotation is to be processed.
	50	+)))|(% style="width:514px" %)Objects of classes derived from this can have attached [[annotations>>doc:xwiki:Glossary.Annotation.WebHome]].
	51	+|[[Annotation>>doc:xwiki:Glossary.Annotation.WebHome]]|(% style="width:244px" %) |(% style="width:514px" %)Additional descriptive information attached to an object.
	52	+| |(% style="width:244px" %)id|(% style="width:514px" %)Identifier for the [[Annotation>>doc:xwiki:Glossary.Annotation.WebHome]]. It can be used to disambiguate one [[Annotation>>doc:xwiki:Glossary.Annotation.WebHome]] from another where there are several [[Annotations>>doc:xwiki:Glossary.Annotation.WebHome]] for the same annotated object.
	53	+| |(% style="width:244px" %)[[title>>doc:xwiki:Glossary.Title.WebHome]]|(% style="width:514px" %)A [[title>>doc:xwiki:Glossary.Title.WebHome]] used to identify an [[annotation>>doc:xwiki:Glossary.Annotation.WebHome]].
	54	+| |(% style="width:244px" %)type|(% style="width:514px" %)Specifies how the [[annotation>>doc:xwiki:Glossary.Annotation.WebHome]] is to be processed.
58	58	| |(% style="width:244px" %)url|(% style="width:514px" %)A link to external descriptive text.
59		-| |(% style="width:244px" %)value|(% style="width:514px" %)A non-localised version of the Annotation content.
	56	+| |(% style="width:244px" %)value|(% style="width:514px" %)A non-localised (% style="color:#2ecc71" %)version(%%) of the [[Annotation>>doc:xwiki:Glossary.Annotation.WebHome]] content.
60	60	| |(% style="width:244px" %)+url|(% style="width:514px" %)An International URI provides a set of links that are language specific, via this role.
61		-| |(% style="width:244px" %)+text|(% style="width:514px" %)An International String provides the multilingual text content of the annotation via this role.
	58	+| |(% style="width:244px" %)+text|(% style="width:514px" %)An [[International String>>doc:xwiki:Glossary.International string.WebHome]] provides the multilingual text content of the [[annotation>>doc:xwiki:Glossary.Annotation.WebHome]] via this role.
62	62	|InternationalUri|(% style="width:244px" %) |(% style="width:514px" %)The International Uri is a collection of Localised URIs and supports linking to external descriptions in multiple locales.
63	63	|LocalisedUri|(% style="width:244px" %) |(% style="width:514px" %)The Localised URI supports the link to an external description in one locale (locale is similar to language but includes geographic variations such as Canadian French, US English etc.).
64	64	|//IdentifiableArtefact//|(% style="width:244px" %)(((
65	65	Superclass is
66		-
67	67	//AnnotableArtefact//
68	68
69	69	Base inheritance sub classes are:
70		-
71	71	//NameableArtefact//
72		-)))|(% style="width:514px" %)Provides identity to all derived classes. It also provides annotations to derived classes because it is a subclass of Annotable Artefact.
	67	+)))|(% style="width:514px" %)Provides identity to all derived classes. It also provides [[annotations>>doc:xwiki:Glossary.Annotation.WebHome]] to derived classes because it is a subclass of Annotable Artefact.
73	73	| |(% style="width:244px" %)id|(% style="width:514px" %)The unique identifier of the object.
74	74	| |(% style="width:244px" %)uri|(% style="width:514px" %)Universal resource identifier that may or may not be resolvable.
75	75	| |(% style="width:244px" %)urn|(% style="width:514px" %)Universal resource name – this is for use in registries: all registered objects have a urn.
76	76	|//NameableArtefact//|(% style="width:244px" %)(((
77	77	Superclass is
78		-
79	79	//IdentifiableArtefact// Base inheritance sub classes are:
80		-
81	81	//VersionableArtefact//
82		-)))|(% style="width:514px" %)Provides a Name and Description to all derived classes in addition to identification and annotations.
	75	+)))|(% style="width:514px" %)Provides a Name and Description to all derived classes in addition to identification and [[annotations>>doc:xwiki:Glossary.Annotation.WebHome]].
83	83	| |(% style="width:244px" %)+description|(% style="width:514px" %)(((
84	84	A multi-lingual description is provided by this role via the
85	85
86		-International String class.
	79	+[[International String>>doc:xwiki:Glossary.International string.WebHome]] class.
87	87	)))
88		-| |(% style="width:244px" %)+name|(% style="width:514px" %)A multi-lingual name is provided by this role via the International String class
89		-|InternationalString|(% style="width:244px" %) |(% style="width:514px" %)The International String is a collection of Localised Strings and supports the representation of text in multiple locales.
90		-|LocalisedString|(% style="width:244px" %) |(% style="width:514px" %)The Localised String supports the representation of text in one locale (locale is similar to language but includes geographic variations such as Canadian French, US English etc.).
	81	+| |(% style="width:244px" %)+name|(% style="width:514px" %)A multi-lingual name is provided by this role via the [[International String>>doc:xwiki:Glossary.International string.WebHome]] class
	82	+|InternationalString|(% style="width:244px" %) |(% style="width:514px" %)The [[International String>>doc:xwiki:Glossary.International string.WebHome]] is a collection of Localised Strings and supports the [[representation>>doc:xwiki:Glossary.Representation.WebHome]] of text in multiple locales.
	83	+|LocalisedString|(% style="width:244px" %) |(% style="width:514px" %)The Localised String supports the [[representation>>doc:xwiki:Glossary.Representation.WebHome]] of text in one locale (locale is similar to language but includes geographic variations such as Canadian French, US English etc.).
91	91	| |(% style="width:244px" %)label|(% style="width:514px" %)Label of the string.
92	92	| |(% style="width:244px" %)locale|(% style="width:514px" %)The geographic locale of the string e.g French, Canadian French.
93	93	|//VersionableArtefact//|(% style="width:244px" %)(((
94	94	Superclass is
95		-
96	96	//NameableArtefact//
97	97
98	98	Base inheritance sub classes are:
99		-
100	100	//MaintainableArtefact//
101	101	)))|(% style="width:514px" %)Provides versioning information for all derived objects.
102		-| |(% style="width:244px" %)version|(% style="width:514px" %)A version string following SDMX versioning rules.
103		-| |(% style="width:244px" %)validFrom|(% style="width:514px" %)Date from which the version is valid
104		-| |(% style="width:244px" %)validTo|(% style="width:514px" %)Date from which version is superseded
	93	+| |(% style="width:244px" %)(% style="color:#2ecc71" %)version|(% style="width:514px" %)A (% style="color:#2ecc71" %)version(%%) string following [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] versioning rules.
	94	+| |(% style="width:244px" %)validFrom|(% style="width:514px" %)Date from which the (% style="color:#2ecc71" %)version(%%) is valid
	95	+| |(% style="width:244px" %)validTo|(% style="width:514px" %)Date from which (% style="color:#2ecc71" %)version(%%) is superseded
105	105	|//MaintainableArtefact//|(% style="width:244px" %)(((
106	106	Inherits from
107	107
108	108	//VersionableArtefact//
109		-)))|(% style="width:514px" %)An abstract class to group together primary structural metadata artefacts that are maintained by an Agency.
	100	+)))|(% style="width:514px" %)An abstract class to group together primary [[structural metadata>>doc:xwiki:Glossary.Structural metadata.WebHome]] [[artefacts>>doc:xwiki:Glossary.Artefact.WebHome]] that are maintained by an Agency.
110	110	| |(% style="width:244px" %)isExternalReference|(% style="width:514px" %)If set to “true” it indicates that the content of the object is held externally.
111		-| |(% style="width:244px" %)structureURL|(% style="width:514px" %)The URL of an SDMX-ML document containing the external object.
112		-| |(% style="width:244px" %)serviceURL|(% style="width:514px" %)The URL of an SDMX-compliant web service from which the external object can be retrieved.
113		-| |(% style="width:244px" %)+maintainer|(% style="width:514px" %)Association to the Maintenance Agency responsible for maintaining the artefact.
	102	+| |(% style="width:244px" %)structureURL|(% style="width:514px" %)The URL of an [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]] document containing the external object.
	103	+| |(% style="width:244px" %)serviceURL|(% style="width:514px" %)The URL of an [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]]-compliant web service from which the external object can be retrieved.
	104	+| |(% style="width:244px" %)+maintainer|(% style="width:514px" %)Association to the [[Maintenance Agency>>doc:xwiki:Glossary.Maintenance agency.WebHome]] responsible for maintaining the artefact.
114	114	|Agency|(% style="width:244px" %) |(% style="width:514px" %)See section on “Organisations”
115	115
116	116	== 3.3 Basic Inheritance ==
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139	139
140	140	==== 3.4.2.1 Narrative ====
141	141
142		-The FacetType and FacetValueType enumerations are used to specify the valid format of the content of a non-enumerated Concept or the usage of a Concept when specified for use on a //Component// on a //Structure// (such as a Dimension in a DataStructureDefinition). The description of the various types can be found in the chapter on ConceptScheme (section 4.5).
	133	+The FacetType and FacetValueType enumerations are used to specify the valid format of the content of a non-enumerated (% style="color:#2ecc71" %)Concept(%%) or the usage of a (% style="color:#2ecc71" %)Concept(%%) when specified for use on a //[[Component>>doc:xwiki:Glossary.Component.WebHome]]// on a //Structure// (such as a [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] in a DataStructureDefinition). The description of the various types can be found in the chapter on ConceptScheme (section 4.5).
143	143
144	144	The ActionType enumeration is used to specify the action that a receiving system should take when processing the content that is the object of the action. It is enumerated as follows:
145	145
146		-* Append: Data or metadata is an incremental update for an existing data/metadata set or the provision of new data or documentation (attribute values) formerly absent. If any of the supplied data or metadata is already present, it will not replace that data or metadata. This corresponds to the "Update" value found in version 1.0 of the SDMX Technical Standards.
	137	+* Append: Data or metadata is an [[incremental update>>doc:xwiki:Glossary.Incremental update.WebHome]] for an existing data/[[metadata set>>doc:xwiki:Glossary.Metadata set.WebHome]] or the provision of new data or documentation ([[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] values) formerly absent. If any of the supplied data or metadata is already present, it will not replace that data or metadata. This corresponds to the "Update" value found in (% style="color:#2ecc71" %)version(%%) 1.0 of the [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] Technical Standards.
147	147	* Replace: Data/metadata is to be replaced and may also include additional data/metadata to be appended.
148	148	* Delete: Data/Metadata is to be deleted.
149	149	* Information: Data and metadata are for information purposes.
150	150
151		-The ToValueType data type contains the attributes to support transformations defined in the StructureMap (see Section 0).
	142	+The ToValueType data type contains the [[attributes>>doc:xwiki:Glossary.Attribute.WebHome]] to support transformations defined in the StructureMap (see Section 0).
152	152
153		-The ConstraintRoleType data type contains the attributes that identify the purpose of a Constraint (allowableContent, actualContent).
	144	+The ConstraintRoleType data type contains the [[attributes>>doc:xwiki:Glossary.Attribute.WebHome]] that identify the purpose of a (% style="color:#2ecc71" %)Constraint(%%) (allowableContent, actualContent).
154	154
155		-The ComponentRoleType data type contains the predefined Concept roles that can be assigned to any Component.
	146	+The ComponentRoleType data type contains the predefined (% style="color:#2ecc71" %)Concept(%%) roles that can be assigned to any [[Component>>doc:xwiki:Glossary.Component.WebHome]].
156	156
157		-The CascadeValues data type contains the possible values for a MemberValue within a CubeRegion, in order to enable cascading to all children Codes of a selected Code, while including/excluding the latter in the selection.
	148	+The CascadeValues data type contains the possible values for a MemberValue within a CubeRegion, in order to enable cascading to all children [[Codes>>doc:xwiki:Glossary.Code.WebHome]] of a selected [[Code>>doc:xwiki:Glossary.Code.WebHome]], while including/excluding the latter in the selection.
158	158
159		-The VersionType data types provides the details for versioning according to SDMX versioning rules, as explained in SDMX Standards Section 6, paragraph “4.3 Versioning”.
	150	+The VersionType data types provides the details for versioning according to [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] versioning rules, as explained in [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] Standards Section 6, paragraph “4.3 Versioning”.
160	160
161	161	== 3.5 The Item Scheme Pattern ==
162	162
163	163	=== 3.5.1 Context ===
164	164
165		-The Item Scheme is a basic architectural pattern that allows the creation of list schemes for use in simple taxonomies, for example.
	156	+The [[Item Scheme>>doc:xwiki:Glossary.Item scheme.WebHome]] is a basic architectural pattern that allows the creation of list schemes for use in simple taxonomies, for example.
166	166
167	167	The //ItemScheme// is the basis for CategoryScheme, Codelist, ConceptScheme, ReportingTaxonomy, //OrganisationScheme//, TransformationScheme, CustomTypeScheme, NamePersonalisationScheme, RulesetScheme, VtlMappingScheme and UserDefinedOperatorScheme.
168	168
...	...	@@ -176,84 +176,63 @@
176	176
177	177	==== 3.5.3.1 Narrative ====
178	178
179		-The //ItemScheme// is an abstract class which defines a set of //Item// (this class is also abstract). Its main purpose is to define a mechanism which can be used to create taxonomies which can classify other parts of the SDMX Information Model. It is derived from //MaintainableArtefact// which gives it the ability to be annotated, have identity, naming, versioning and be associated with an Agency. An example of a concrete class is a ConceptScheme. The associated Concepts are //Item//s.
	170	+The //ItemScheme// is an abstract class which defines a set of //Item// (this class is also abstract). Its main purpose is to define a mechanism which can be used to create taxonomies which can classify other parts of the [[SDMX Information Model>>doc:xwiki:Glossary.SDMX Information Model.WebHome]]. It is derived from //MaintainableArtefact// which gives it the ability to be annotated, have identity, naming, versioning and be associated with an Agency. An example of a concrete class is a ConceptScheme. The associated (% style="color:#2ecc71" %)Concepts(%%) are //Item//s.
180	180
181		-In an exchange environment an //ItemScheme// is allowed to contain a sub-set of the //Item//s in the maintained //ItemScheme//. If such an ItemScheme is disseminated with a sub-set of the //Item//s then the fact that this is a sub-set is denoted by setting the isPartial attribute to "true".
	172	+In an exchange environment an //ItemScheme// is allowed to contain a sub-set of the //Item//s in the maintained //ItemScheme//. If such an ItemScheme is disseminated with a sub-set of the //Item//s then the fact that this is a sub-set is denoted by setting the isPartial [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] to "true".
182	182
183		-A “partial” //ItemScheme// cannot be maintained independently in its partial form i.e., it cannot contain //Item//s that are not present in the full //ItemScheme// and the content of any one //Item //(e.g., names and descriptions) cannot deviate from the content in the full //ItemScheme//. Furthermore, the id of the //ItemScheme// where isPartial is set to "true" is the same as the id of the full //ItemScheme// (agencyId, id, version). This is important as this is the id that that is referenced in other structures (e.g., a Codelist referenced in a DSD) and this id is always the same, regardless of whether the disseminated //ItemScheme// is the full //ItemScheme// or a partial //ItemScheme//.
	174	+A “partial” //ItemScheme// cannot be maintained independently in its partial form i.e., it cannot contain //Item//s that are not present in the full //ItemScheme// and the content of any one //Item //(e.g., names and descriptions) cannot deviate from the content in the full //ItemScheme//. Furthermore, the id of the //ItemScheme// where isPartial is set to "true" is the same as the id of the full //ItemScheme// (agencyId, id, (% style="color:#2ecc71" %)version(%%)). This is important as this is the id that that is referenced in other structures (e.g., a Codelist referenced in a [[DSD>>doc:xwiki:Glossary.Data structure definition.WebHome]]) and this id is always the same, regardless of whether the disseminated //ItemScheme// is the full //ItemScheme// or a partial //ItemScheme//.
184	184
185		-The purpose of a partial //ItemScheme// is to support the exchange and dissemination of a subset //ItemScheme// without the need to maintain multiple //ItemScheme//s which contain the same //Item//s. For instance, when a Codelist is used in a DataStructureDefinition it is sometimes the case that only a sub-set of the Codes in a Codelist are relevant. In this case a partial Codelist can be constructed using the Constraint mechanism explained later in this document.
	176	+The purpose of a partial //ItemScheme// is to support the exchange and dissemination of a subset //ItemScheme// without the need to maintain multiple //ItemScheme//s which contain the same //Item//s. For instance, when a Codelist is used in a DataStructureDefinition it is sometimes the case that only a sub-set of the [[Codes>>doc:xwiki:Glossary.Code.WebHome]] in a Codelist are relevant. In this case a partial Codelist can be constructed using the (% style="color:#2ecc71" %)Constraint(%%) mechanism explained later in this document.
186	186
187		-//Item// inherits from //NameableArtefact// which gives it the ability to be annotated and have identity, and therefore has id, uri and urn attributes, a name and a description in the form of an InternationalString. Unlike the parent //ItemScheme//, the //Item// itself is not a //MaintainableArtefact// and therefore cannot have an independent Agency (i.e., it implicitly has the same agencyId as the //ItemScheme//).
	178	+//Item// inherits from //NameableArtefact// which gives it the ability to be annotated and have identity, and therefore has id, uri and urn [[attributes>>doc:xwiki:Glossary.Attribute.WebHome]], a name and a description in the form of an InternationalString. Unlike the parent //ItemScheme//, the //Item// itself is not a //MaintainableArtefact// and therefore cannot have an independent Agency (i.e., it implicitly has the same agencyId as the //ItemScheme//).
188	188
189	189	The //Item// can be hierarchic and so one //Item// can have child //Item//s. The restriction of the hierarchic association is that a child //Item// can have only parent //Item//.
190	190
191	191	==== 3.5.3.2 Definitions ====
192	192
193		-|**Class**|**Feature**|**Description**
194		-|//ItemScheme//|(((
	184	+(% style="width:800.039px" %)
	185	+|**Class**|(% style="width:272px" %)**Feature**|(% style="width:422px" %)**Description**
	186	+|//ItemScheme//|(% style="width:272px" %)(((
195	195	Inherits from:
196		-
197	197	//MaintainableArtefact//
198		-
199	199	Direct sub classes are:
200		-
201	201	CategoryScheme
202		-
203	203	ConceptScheme
204		-
205	205	Codelist
206		-
207	207	ReportingTaxonomy
208		-
209	209	//OrganisationScheme//
210		-
211	211	TransformationScheme
212		-
213		-CustomTypeScheme NamePersonalisationSc heme
214		-
	196	+CustomTypeScheme
	197	+NamePersonalisationSc heme
215	215	RulesetScheme
216		-
217	217	VtlMappingScheme UserDefinedOperatorSc heme
218		-)))|The descriptive information for an arrangement or division of objects into groups based on characteristics, which the objects have in common.
219		-| |isPartial|Denotes whether the Item Scheme contains a subset of the full set of Items in the maintained scheme.
220		-| |/items|Association to the Items in the scheme.
221		-|//Item//|(((
	200	+)))|(% style="width:422px" %)The descriptive information for an arrangement or division of objects into groups based on characteristics, which the objects have in common.
	201	+| |(% style="width:272px" %)isPartial|(% style="width:422px" %)Denotes whether the [[Item Scheme>>doc:xwiki:Glossary.Item scheme.WebHome]] contains a subset of the full set of Items in the maintained scheme.
	202	+| |(% style="width:272px" %)/items|(% style="width:422px" %)Association to the Items in the scheme.
	203	+|//Item//|(% style="width:272px" %)(((
222	222	Inherits from:
223	223
224	224	//NameableArtefact//
225		-
226	226	Direct sub classes are
227		-
228	228	Category
229		-
230	230	Concept
231		-
232		-Code
233		-
	210	+[[Code>>doc:xwiki:Glossary.Code.WebHome]]
234	234	ReportingCategory
235		-
236	236	//Organisation//
237		-
238	238	Transformation
239		-
240	240	CustomType
241		-
242	242	NamePersonalisation
243		-
244	244	Ruleset
245		-
246	246	VtlMapping
247		-
248	248	UserDefinedOperator
249		-)))|The Item is an item of content in an Item Scheme. This may be a node in a taxonomy or ontology, a code in a code list etc. Node that at the conceptual level the Organisation is not hierarchic.
250		-| |hierarchy|This allows an Item optionally to have one or more child Items.
	219	+)))|(% style="width:422px" %)The Item is an item of content in an [[Item Scheme>>doc:xwiki:Glossary.Item scheme.WebHome]]. This may be a node in a taxonomy or ontology, a [[code>>doc:xwiki:Glossary.Code.WebHome]] in a [[code list>>doc:xwiki:Glossary.Code list.WebHome]] etc. Node that at the conceptual (% style="color:#2ecc71" %)level(%%) the Organisation is not hierarchic.
	220	+| |(% style="width:272px" %)hierarchy|(% style="width:422px" %)This allows an Item optionally to have one or more child Items.
251	251
252	252	== 3.6 The Structure Pattern ==
253	253
254	254	=== 3.6.1 Context ===
255	255
256		-The Structure Pattern is a basic architectural pattern which allows the specification of complex tabular structures which are often found in statistical data (such as Data Structure Definition, and Metadata Structure Definition). A Structure is a set of ordered lists. A pattern to underpin this tabular structure has been developed, so that commonalities between these structure definitions can be supported by common software and common syntax structures.
	226	+The Structure Pattern is a basic architectural pattern which allows the specification of complex tabular structures which are often found in statistical data (such as [[Data Structure Definition>>doc:xwiki:Glossary.Data structure definition.WebHome]], and [[Metadata Structure Definition>>doc:xwiki:Glossary.Metadata structure definition.WebHome]]). A Structure is a set of ordered lists. A pattern to underpin this tabular structure has been developed, so that commonalities between these structure definitions can be supported by common software and common syntax structures.
257	257
258	258	=== 3.6.2 Class Diagrams ===
259	259
...	...	@@ -271,154 +271,135 @@
271	271
272	272	The //Structure// is an abstract class which contains a set of one or more //ComponentList//(s) (this class is also abstract). An example of a concrete //Structure// is DataStructureDefinition.
273	273
274		-The //ComponentList// is a list of one or more //Component//(s//)//. The //ComponentList// has several concrete descriptor classes based on it: DimensionDescriptor, GroupDimensionDescriptor, MeasureDescriptor, and AttributeDescriptor of the DataStructureDefinition and MetadataAttributeDescriptor of the MetadataStructureDefinition.
	244	+The //ComponentList// is a list of one or more //[[Component>>doc:xwiki:Glossary.Component.WebHome]]//(s//)//. The //ComponentList// has several concrete descriptor classes based on it: DimensionDescriptor, GroupDimensionDescriptor, MeasureDescriptor, and AttributeDescriptor of the DataStructureDefinition and MetadataAttributeDescriptor of the MetadataStructureDefinition.
275	275
276		-The //Component// is contained in a //ComponentList//. The type of //Component// in a //ComponentList// is dependent on the concrete class of the ComponentList as follows:
	246	+The //[[Component>>doc:xwiki:Glossary.Component.WebHome]]// is contained in a //ComponentList//. The type of //[[Component>>doc:xwiki:Glossary.Component.WebHome]]// in a //ComponentList// is dependent on the concrete class of the ComponentList as follows:
277	277
278		-DimensionDescriptor: Dimension, TimeDimension
279		-
280		-GroupDimensionDescriptor: Dimension, TimeDimension
281		-
282		-MeasureDescriptor: Measure
283		-
	248	+DimensionDescriptor: [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]], TimeDimension
	249	+GroupDimensionDescriptor: [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]], TimeDimension
	250	+MeasureDescriptor: [[Measure>>doc:xwiki:Glossary.Measure.WebHome]]
284	284	AttributeDescriptor: DataAttribute, MetadataAttributeRef
285		-
286	286	MetadataAttributeDescriptor: MetadataAttribute
287	287
288		-Each //Component// takes its semantic (and possibly also its representation) from a Concept in a ConceptScheme. This is represented by the conceptIdentity association to Concept.
	254	+Each //[[Component>>doc:xwiki:Glossary.Component.WebHome]]// takes its semantic (and possibly also its [[representation>>doc:xwiki:Glossary.Representation.WebHome]]) from a (% style="color:#2ecc71" %)Concept(%%) in a ConceptScheme. This is represented by the conceptIdentity association to (% style="color:#2ecc71" %)Concept(%%).
289	289
290		-The //Component// may also have a localRepresentation. This allows a concrete class, such as Dimension, to specify its representation which is local to the //Structure// in which it is contained (for Dimension this will be DataStructureDefinition), and thus overrides any coreRepresentation specified for the Concept.
	256	+The //[[Component>>doc:xwiki:Glossary.Component.WebHome]]// may also have a localRepresentation. This allows a concrete class, such as [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]], to specify its [[representation>>doc:xwiki:Glossary.Representation.WebHome]] which is local to the //Structure// in which it is contained (for [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] this will be DataStructureDefinition), and thus overrides any coreRepresentation specified for the (% style="color:#2ecc71" %)Concept(%%).
291	291
292		-The Representation can be enumerated or non-enumerated. The valid content of an enumerated representation is specified either in an //ItemScheme// which can be one of Codelist, ValueList or //GeoCodelist//. The valid content of a non-enumerated representation is specified as one or more Facet(s) (for example, these may specify minimum and maximum values). For any Attribute this is achieved by one of more ExtendedFacet(s), which allow the additional representation of XHTML.
	258	+The [[Representation>>doc:xwiki:Glossary.Representation.WebHome]] can be enumerated or non-enumerated. The valid content of an enumerated [[representation>>doc:xwiki:Glossary.Representation.WebHome]] is specified either in an //ItemScheme// which can be one of Codelist, ValueList or //GeoCodelist//. The valid content of a non-enumerated [[representation>>doc:xwiki:Glossary.Representation.WebHome]] is specified as one or more Facet(s) (for example, these may specify minimum and maximum values). For any [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] this is achieved by one of more ExtendedFacet(s), which allow the additional [[representation>>doc:xwiki:Glossary.Representation.WebHome]] of XHTML.
293	293
294		-The types of representation that are valid for specific components is expressed in the model as a constraint on the association:
	260	+The types of [[representation>>doc:xwiki:Glossary.Representation.WebHome]] that are valid for specific [[components>>doc:xwiki:Glossary.Component.WebHome]] is expressed in the model as a (% style="color:#2ecc71" %)constraint(%%) on the association:
295	295
296		-* The Dimension, DataAttribute, Measure, MetadataAttribute may be enumerated and, if so, use an //EnumeratedList//.
297		-* The Dimension and Measure may be non-enumerated and, if so, use one or more Facet(s), note that the FacetValueType applicable to the TimeDimension is restricted to those that represent time.
	262	+* The [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]], DataAttribute, [[Measure>>doc:xwiki:Glossary.Measure.WebHome]], MetadataAttribute may be enumerated and, if so, use an //EnumeratedList//.
	263	+* The [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] and [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] may be non-enumerated and, if so, use one or more Facet(s), note that the FacetValueType applicable to the TimeDimension is restricted to those that represent time.
298	298	* The MetadataAttribute and DataAttribute may be non-enumerated and, if so, use one or more ExtendedFacet(s).
299	299
300		-The //Structure// may be used by one or more //StructureUsage//(s). An example of this, in terms of concrete classes, is that a Dataflow (sub class of //StructureUsage//) may use a particular DataStructureDefinition (sub class of //Structure//), and similar constructs apply for the Metadataflow (link to MetadataStructureDefinition).
	266	+The //Structure// may be used by one or more //StructureUsage//(s). An example of this, in terms of concrete classes, is that a [[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]] (sub class of //StructureUsage//) may use a particular DataStructureDefinition (sub class of //Structure//), and similar constructs apply for the [[Metadataflow>>doc:xwiki:Glossary.Metadataflow.WebHome]] (link to MetadataStructureDefinition).
301	301
302	302	==== 3.6.3.2 Definitions ====
303	303
304		-|**Class**|**Feature**|**Description**
305		-|StructureUsage|(((
	270	+(% style="width:756.039px" %)
	271	+|**Class**|(% style="width:284px" %)**Feature**|(% style="width:353px" %)**Description**
	272	+|StructureUsage|(% style="width:284px" %)(((
306	306	Inherits from:
307		-
308	308	//MaintainableArtefact//
309	309
310	310	Sub classes are:
311		-
312	312	Dataflow
313		-
314	314	Metadataflow
315		-)))|An artefact whose components are described by a Structure. In concrete terms (sub-classes) an example would be a Dataflow which is linked to a given structure – in this case the Data Structure Definition.
316		-| |structure|An association to a Structure specifying the structure of the artefact.
317		-|Structure|(((
	279	+)))|(% style="width:353px" %)An [[artefact>>doc:xwiki:Glossary.Artefact.WebHome]] whose [[components>>doc:xwiki:Glossary.Component.WebHome]] are described by a Structure. In concrete terms (sub-classes) an example would be a [[Dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]] which is linked to a given structure – in this case the Data Structure Definition.
	280	+| |(% style="width:284px" %)structure|(% style="width:353px" %)An association to a Structure specifying the structure of the [[artefact>>doc:xwiki:Glossary.Artefact.WebHome]].
	281	+|Structure|(% style="width:284px" %)(((
318	318	Inherits from:
319		-
320		-//MaintainableArtefact//
321		-
322		-Sub classes are:
323		-
	283	+//MaintainableArtefact//Sub classes are:
324	324	DataStructureDefinition MetadataStructureDefinit ion
325		-)))|Abstract specification of a list of lists to define a complex tabular structure. A concrete example of this would be statistical concepts, code lists, and their organisation in a data or metadata structure definition, defined by a centre institution, usually for the exchange of statistical information with its partners.
326		-| |grouping|A composite association to one or more component lists.
327		-|//ComponentList//|(((
	285	+)))|(% style="width:353px" %)Abstract specification of a list of lists to define a complex tabular structure. A concrete example of this would be statistical (% style="color:#2ecc71" %)concepts(%%), [[code lists>>doc:xwiki:Glossary.Code list.WebHome]], and their organisation in a data or [[metadata structure definition>>doc:xwiki:Glossary.Metadata structure definition.WebHome]], defined by a centre institution, usually for the exchange of statistical information with its partners.
	286	+| |(% style="width:284px" %)grouping|(% style="width:353px" %)A composite association to one or more [[component>>doc:xwiki:Glossary.Component.WebHome]] lists.
	287	+|//ComponentList//|(% style="width:284px" %)(((
328	328	Inherits from:
329		-
330	330	//IdentifiableArtefact//
331	331
332	332	Sub classes are:
333		-
334	334	DimensionDescriptor
335		-
336	336	GroupDimensionDescriptor
337		-
338	338	MeasureDescriptor
339		-
340	340	AttributeDescriptor MetadataAttributeDescriptor
341		-)))|An abstract definition of a list of components. A concrete example is a Dimension Descriptor, which defines the list of Dimensions in a Data Structure Definition.
342		-| |components|An aggregate association to one or more components which make up the list.
343		-|//Component//|(((
	296	+)))|(% style="width:353px" %)An abstract definition of a list of [[components>>doc:xwiki:Glossary.Component.WebHome]]. A concrete example is a [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] Descriptor, which defines the list of [[Dimensions>>doc:xwiki:Glossary.Dimension.WebHome]] in a Data Structure Definition.
	297	+| |(% style="width:284px" %)components|(% style="width:353px" %)An aggregate association to one or more [[components>>doc:xwiki:Glossary.Component.WebHome]] which make up the list.
	298	+|//[[Component>>doc:xwiki:Glossary.Component.WebHome]]//|(% style="width:284px" %)(((
344	344	Inherits from:
345		-
346	346	//IdentifiableArtefact//
347	347
348	348	Sub classes are:
349		-
350	350	Measure
	304	+//AttributeComponent
	305	+DimensionComponent//
	306	+)))|(% style="width:353px" %)A [[Component>>doc:xwiki:Glossary.Component.WebHome]] is an abstract super class used to define qualitative and quantitative data and metadata items that belong to a [[Component>>doc:xwiki:Glossary.Component.WebHome]] List and hence a Structure. [[Component>>doc:xwiki:Glossary.Component.WebHome]] is refined through its sub-classes.
	307	+| |(% style="width:284px" %)conceptIdentity|(% style="width:353px" %)(((
	308	+Association to a (% style="color:#2ecc71" %)Concept(%%) in a [[Concept Scheme>>doc:xwiki:Glossary.Concept scheme.WebHome]] that identifies and defines the
351	351
352		-//AttributeComponent//
353		-
354		-//DimensionComponent//
355		-)))|A Component is an abstract super class used to define qualitative and quantitative data and metadata items that belong to a Component List and hence a Structure. Component is refined through its sub-classes.
356		-| |conceptIdentity|(((
357		-Association to a Concept in a Concept Scheme that identifies and defines the
358		-
359		-semantic of the Component.
	310	+semantic of the [[Component>>doc:xwiki:Glossary.Component.WebHome]].
360	360	)))
361		-| |localRepresentation|Association to the Representation of the Component if this is different from the coreRepresentation of the Concept, which the Component uses (ConceptUsage).
362		-|Representation| |The allowable value or format for Component or Concept
363		-| |+enumerated|Association to an enumerated list that contains the allowable content for the Component when reported in a data or metadata set. The type of enumerated list that is allowed for any concrete Component is shown in the constraints on the association.
364		-| |+nonEnumerated|Association to a set of Facets that define the allowable format for the content of the Component when reported in a data or metadata set.
365		-|Facet| |Defines the format for the content of the Component when reported in a data or metadata set.
366		-| |facetType|A specific content type, which is constrained by the Facet Type enumeration.
367		-| |facetValueType|The format of the value of a Component when reported in a data or metadata set. This is constrained by the Facet Value Type enumeration.
368		-| | |Defines the format of the identifiers in an Item Scheme used by a Component. Typically, this would define the number of characters (length) of the identifier.
369		-|ExtendedFacet|+itemSchemeFacet|This has the same function as Facet but allows additionally an XHTML representation. This is constrained for use with a Metadata Attribute and a Data Attribute.
	312	+| |(% style="width:284px" %)localRepresentation|(% style="width:353px" %)Association to the [[Representation>>doc:xwiki:Glossary.Representation.WebHome]] of the [[Component>>doc:xwiki:Glossary.Component.WebHome]] if this is different from the coreRepresentation of the (% style="color:#2ecc71" %)Concept(%%), which the [[Component>>doc:xwiki:Glossary.Component.WebHome]] uses (ConceptUsage).
	313	+|[[Representation>>doc:xwiki:Glossary.Representation.WebHome]]|(% style="width:284px" %) |(% style="width:353px" %)The allowable value or format for [[Component>>doc:xwiki:Glossary.Component.WebHome]] or (% style="color:#2ecc71" %)Concept
	314	+| |(% style="width:284px" %)+enumerated|(% style="width:353px" %)Association to an enumerated list that contains the allowable content for the [[Component>>doc:xwiki:Glossary.Component.WebHome]] when reported in a data or [[metadata set>>doc:xwiki:Glossary.Metadata set.WebHome]]. The type of enumerated list that is allowed for any concrete [[Component>>doc:xwiki:Glossary.Component.WebHome]] is shown in the (% style="color:#2ecc71" %)constraints(%%) on the association.
	315	+| |(% style="width:284px" %)+nonEnumerated|(% style="width:353px" %)Association to a set of [[Facets>>doc:xwiki:Glossary.Facet.WebHome]] that define the allowable format for the content of the [[Component>>doc:xwiki:Glossary.Component.WebHome]] when reported in a data or [[metadata set>>doc:xwiki:Glossary.Metadata set.WebHome]].
	316	+|[[Facet>>doc:xwiki:Glossary.Facet.WebHome]]|(% style="width:284px" %) |(% style="width:353px" %)Defines the format for the content of the [[Component>>doc:xwiki:Glossary.Component.WebHome]] when reported in a data or [[metadata set>>doc:xwiki:Glossary.Metadata set.WebHome]].
	317	+| |(% style="width:284px" %)facetType|(% style="width:353px" %)A specific content type, which is constrained by the [[Facet>>doc:xwiki:Glossary.Facet.WebHome]] Type enumeration.
	318	+| |(% style="width:284px" %)facetValueType|(% style="width:353px" %)The format of the value of a [[Component>>doc:xwiki:Glossary.Component.WebHome]] when reported in a data or [[metadata set>>doc:xwiki:Glossary.Metadata set.WebHome]]. This is constrained by the [[Facet>>doc:xwiki:Glossary.Facet.WebHome]] Value Type enumeration.
	319	+| |(% style="width:284px" %) |(% style="width:353px" %)Defines the format of the identifiers in an [[Item Scheme>>doc:xwiki:Glossary.Item scheme.WebHome]] used by a [[Component>>doc:xwiki:Glossary.Component.WebHome]]. Typically, this would define the number of characters (length) of the identifier.
	320	+|ExtendedFacet|(% style="width:284px" %)+itemSchemeFacet|(% style="width:353px" %)This has the same function as [[Facet>>doc:xwiki:Glossary.Facet.WebHome]] but allows additionally an XHTML [[representation>>doc:xwiki:Glossary.Representation.WebHome]]. This is constrained for use with a Metadata [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]] and a Data [[Attribute>>doc:xwiki:Glossary.Attribute.WebHome]].
370	370
371		-The specification of the content and use of the sub classes to //ComponentList// and //Component// can be found in the section in which they are used (DataStructureDefinition and MetadataStructureDefinition). Moreover, the FacetType SentinelValues is explained in the datastructure representation diagram (see 5.3.2.2), since it only concerns DataStructureDefinitions.
	322	+The specification of the content and use of the sub classes to //ComponentList// and //[[Component>>doc:xwiki:Glossary.Component.WebHome]]// can be found in the section in which they are used (DataStructureDefinition and MetadataStructureDefinition). Moreover, the FacetType SentinelValues is explained in the datastructure [[representation>>doc:xwiki:Glossary.Representation.WebHome]] diagram (see 5.3.2.2), since it only concerns DataStructureDefinitions.
372	372
373	373	==== 3.6.3.3 Representation Constructs ====
374	374
375		-The majority of SDMX FacetValueTypes are compatible with those found in XML Schema, and have equivalents in most current implementation platforms:
	326	+The majority of [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] FacetValueTypes are compatible with those found in XML Schema, and have equivalents in most current implementation platforms:
376	376
377		-|**SDMX Facet Value Type**|**XML Schema Data Type**|**JSON Schema Data Type**|**.NET Framework Type**|**Java Data Type**
378		-|String|xsd:string|string|System.String|java.lang.String
379		-|Big Integer|xsd:integer|integer|System.Decimal|java.math.BigInteger
380		-|Integer|xsd:int|integer|System.Int32|int
381		-|Long|xsd.long|integer|System.Int64|long
382		-|Short|xsd:short|integer|System.Int16|short
383		-|Decimal|xsd:decimal|number|System.Decimal|java.math.BigDecimal
384		-|Float|xsd:float|number|System.Single|float
385		-|Double|xsd:double|number|System.Double|double
386		-|Boolean|xsd:boolean|boolean|System.Boolean|boolean
387		-|URI|xsd:anyURI|string:uri|System.Uri|Java.net.URI or java.lang.String
388		-|DateTime|xsd:dateTime|string:datetime|System.DateTime|javax.xml.datatype.XML GregorianCalendar
389		-|Time|xsd:time|string:time|System.DateTime|javax.xml.datatype.XML GregorianCalendar
390		-|GregorianYear|xsd:gYear|(((
391		-2
	328	+(% style="width:923.039px" %)
	329	+|(% style="width:167px" %)**SDMX Facet Value Type**|(% style="width:148px" %)**XML Schema Data Type**|(% style="width:158px" %)**JSON Schema Data Type**|(% style="width:161px" %)**.NET Framework Type**|(% style="width:285px" %)**Java Data Type**
	330	+|(% style="width:167px" %)String|(% style="width:148px" %)xsd:string|(% style="width:158px" %)string|(% style="width:161px" %)System.String|(% style="width:285px" %)java.lang.String
	331	+|(% style="width:167px" %)Big Integer|(% style="width:148px" %)xsd:integer|(% style="width:158px" %)integer|(% style="width:161px" %)System.Decimal|(% style="width:285px" %)java.math.BigInteger
	332	+|(% style="width:167px" %)Integer|(% style="width:148px" %)xsd:int|(% style="width:158px" %)integer|(% style="width:161px" %)System.Int32|(% style="width:285px" %)int
	333	+|(% style="width:167px" %)Long|(% style="width:148px" %)xsd.long|(% style="width:158px" %)integer|(% style="width:161px" %)System.Int64|(% style="width:285px" %)long
	334	+|(% style="width:167px" %)Short|(% style="width:148px" %)xsd:short|(% style="width:158px" %)integer|(% style="width:161px" %)System.Int16|(% style="width:285px" %)short
	335	+|(% style="width:167px" %)Decimal|(% style="width:148px" %)xsd:decimal|(% style="width:158px" %)number|(% style="width:161px" %)System.Decimal|(% style="width:285px" %)java.math.BigDecimal
	336	+|(% style="width:167px" %)Float|(% style="width:148px" %)xsd:float|(% style="width:158px" %)number|(% style="width:161px" %)System.Single|(% style="width:285px" %)float
	337	+|(% style="width:167px" %)Double|(% style="width:148px" %)xsd:double|(% style="width:158px" %)number|(% style="width:161px" %)System.Double|(% style="width:285px" %)double
	338	+|(% style="width:167px" %)Boolean|(% style="width:148px" %)xsd:boolean|(% style="width:158px" %)boolean|(% style="width:161px" %)System.Boolean|(% style="width:285px" %)boolean
	339	+|(% style="width:167px" %)URI|(% style="width:148px" %)xsd:anyURI|(% style="width:158px" %)string:uri|(% style="width:161px" %)System.Uri|(% style="width:285px" %)Java.net.URI or java.lang.String
	340	+|(% style="width:167px" %)DateTime|(% style="width:148px" %)xsd:dateTime|(% style="width:158px" %)string:datetime|(% style="width:161px" %)System.DateTime|(% style="width:285px" %)javax.xml.datatype.XML GregorianCalendar
	341	+|(% style="width:167px" %)Time|(% style="width:148px" %)xsd:time|(% style="width:158px" %)string:time|(% style="width:161px" %)System.DateTime|(% style="width:285px" %)javax.xml.datatype.XML GregorianCalendar
	342	+|(% style="width:167px" %)GregorianYear|(% style="width:148px" %)xsd:gYear|(% style="width:158px" %)(((
	343	+string{{footnote}}In the JSON schemas, more complex data types are complemented with regular expressions, whenever no direct mapping to a standard type exists.{{/footnote}}
	344	+)))|(% style="width:161px" %)System.DateTime|(% style="width:285px" %)javax.xml.datatype.XML GregorianCalendar
	345	+|(% style="width:167px" %)GregorianMonth|(% style="width:148px" %)xsd:gYearMonth|(% style="width:158px" %)string|(% style="width:161px" %)System.DateTime|(% style="width:285px" %)javax.xml.datatype.XML GregorianCalendar
	346	+|(% style="width:167px" %)GregorianDay|(% style="width:148px" %)xsd:date|(% style="width:158px" %)string|(% style="width:161px" %)System.DateTime|(% style="width:285px" %)javax.xml.datatype.XML GregorianCalendar
	347	+|(% style="width:167px" %)Day, MonthDay, Month|(% style="width:148px" %)xsd:g*|(% style="width:158px" %)string|(% style="width:161px" %)System.DateTime|(% style="width:285px" %)javax.xml.datatype.XML GregorianCalendar
	348	+|(% style="width:167px" %)Duration|(% style="width:148px" %)xsd:duration|(% style="width:158px" %)string|(% style="width:161px" %)System.TimeSpan|(% style="width:285px" %)javax.xml.datatype.Dur ation
392	392
393		-string
394		-)))|System.DateTime|javax.xml.datatype.XML GregorianCalendar
395		-|GregorianMonth|xsd:gYearMonth|string|System.DateTime|javax.xml.datatype.XML GregorianCalendar
396		-|GregorianDay|xsd:date|string|System.DateTime|javax.xml.datatype.XML GregorianCalendar
397		-|Day, MonthDay, Month|xsd:g*|string|System.DateTime|javax.xml.datatype.XML GregorianCalendar
398		-|Duration|xsd:duration|string|System.TimeSpan|javax.xml.datatype.Dur ation
	350	+There are also a number of [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] data types which do not have these direct correspondences, often because they are composite [[representations>>doc:xwiki:Glossary.Representation.WebHome]] or restrictions of a broader data type. These are detailed in Section 6 of the standards.
399	399
400		-There are also a number of SDMX data types which do not have these direct correspondences, often because they are composite representations or restrictions of a broader data type. These are detailed in Section 6 of the standards.
	352	+The [[Representation>>doc:xwiki:Glossary.Representation.WebHome]] is composed of [[Facets>>doc:xwiki:Glossary.Facet.WebHome]], each of which conveys characteristic information related to the definition of a value domain. Often a set of [[Facets>>doc:xwiki:Glossary.Facet.WebHome]] are needed to convey the required semantic. For example, a sequence is defined by a minimum of two [[Facets>>doc:xwiki:Glossary.Facet.WebHome]]: one to define the start value, and one to define the interval.
401	401
402		-The Representation is composed of Facets, each of which conveys characteristic information related to the definition of a value domain. Often a set of Facets are needed to convey the required semantic. For example, a sequence is defined by a minimum of two Facets: one to define the start value, and one to define the interval.
	354	+(% style="width:921.039px" %)
	355	+|**Facet Type**|(% style="width:827px" %)**Explanation**
	356	+|isSequence|(% style="width:827px" %)The isSequence [[facet>>doc:xwiki:Glossary.Facet.WebHome]] indicates whether the values are intended to be ordered, and it may work in combination with the interval, startValue, and endValue [[facet>>doc:xwiki:Glossary.Facet.WebHome]] or the timeInterval, startTime, and endTime, [[facets>>doc:xwiki:Glossary.Facet.WebHome]]. If this [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] holds a value of true, a start value or time and a numeric or time interval must be supplied. If an end value is not given, then the sequence continues indefinitely.
	357	+|interval|(% style="width:827px" %)The interval [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] specifies the permitted interval (increment) in a sequence. In order for this to be used, the isSequence [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] must have a value of true.
	358	+|startValue|(% style="width:827px" %)The startValue [[facet>>doc:xwiki:Glossary.Facet.WebHome]] is used in conjunction with the isSequence and interval [[facets>>doc:xwiki:Glossary.Facet.WebHome]] (which must be set in order to use this [[facet>>doc:xwiki:Glossary.Facet.WebHome]]). This [[facet>>doc:xwiki:Glossary.Facet.WebHome]] is used for a numeric sequence and indicates the starting point of the sequence. This value is mandatory for a numeric sequence to be expressed
	359	+|endValue|(% style="width:827px" %)The endValue [[facet>>doc:xwiki:Glossary.Facet.WebHome]] is used in conjunction with the isSequence and interval [[facets>>doc:xwiki:Glossary.Facet.WebHome]] (which must be set in order to use this [[facet>>doc:xwiki:Glossary.Facet.WebHome]]). This [[facet>>doc:xwiki:Glossary.Facet.WebHome]] is used for a numeric sequence and indicates that ending point (if any) of the sequence.
	360	+|timeInterval|(% style="width:827px" %)The timeInterval [[facet>>doc:xwiki:Glossary.Facet.WebHome]] indicates the permitted duration in a time sequence. In order for this to be used, the isSequence [[facet>>doc:xwiki:Glossary.Facet.WebHome]] must have a value of true.
	361	+|startTime|(% style="width:827px" %)The startTime [[facet>>doc:xwiki:Glossary.Facet.WebHome]] is used in conjunction with the isSequence and timeInterval [[facets>>doc:xwiki:Glossary.Facet.WebHome]] (which must be set in order to use this [[facet>>doc:xwiki:Glossary.Facet.WebHome]]). This [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] is used for a time sequence and indicates the start time of the sequence. This value is mandatory for a time sequence to be expressed.
	362	+|endTime|(% style="width:827px" %)The endTime [[facet>>doc:xwiki:Glossary.Facet.WebHome]] is used in conjunction with the isSequence and timeInterval [[facets>>doc:xwiki:Glossary.Facet.WebHome]] (which must be set in order to use this [[facet>>doc:xwiki:Glossary.Facet.WebHome]]). This [[facet>>doc:xwiki:Glossary.Facet.WebHome]] is used for a time sequence and indicates that ending point (if any) of the sequence.
	363	+|minLength|(% style="width:827px" %)The minLength [[facet>>doc:xwiki:Glossary.Facet.WebHome]] specifies the minimum and length of the value in characters.
	364	+|maxLength|(% style="width:827px" %)The maxLength [[facet>>doc:xwiki:Glossary.Facet.WebHome]] specifies the maximum length of the value in characters.
	365	+|minValue|(% style="width:827px" %)The minValue [[facet>>doc:xwiki:Glossary.Facet.WebHome]] is used for inclusive and exclusive ranges, indicating what the lower bound of the range is. If this is used with an inclusive range, a valid value will be greater than or equal to the value specified here. If the inclusive and exclusive data type is not specified (e.g., this [[facet>>doc:xwiki:Glossary.Facet.WebHome]] is used with an integer data type), the value is assumed to be inclusive.
	366	+|minLength|(% style="width:827px" %)The minLength [[facet>>doc:xwiki:Glossary.Facet.WebHome]] specifies the minimum and length of the value in characters.
	367	+|maxLength|(% style="width:827px" %)The maxLength [[facet>>doc:xwiki:Glossary.Facet.WebHome]] specifies the maximum length of the value in characters.
	368	+|minValue|(% style="width:827px" %)The minValue [[facet>>doc:xwiki:Glossary.Facet.WebHome]] is used for inclusive and exclusive ranges, indicating what the lower bound of the range is. If this is used with an inclusive range, a valid value will be greater than or equal to the value specified here. If the inclusive and exclusive data type is not specified (e.g., this [[facet>>doc:xwiki:Glossary.Facet.WebHome]] is used with an integer data type), the value is assumed to be inclusive.
	369	+|maxValue|(% style="width:827px" %)The maxValue [[facet>>doc:xwiki:Glossary.Facet.WebHome]] is used for inclusive and exclusive ranges, indicating what the upper bound of the range is. If this is used with an inclusive range, a valid value will be less than or equal to the value specified here. If the inclusive and exclusive data type is not specified (e.g., this [[facet>>doc:xwiki:Glossary.Facet.WebHome]] is used with an integer data type), the value is assumed to be inclusive.
	370	+|decimals|(% style="width:827px" %)The [[decimals>>doc:xwiki:Glossary.Decimals.WebHome]] [[facet>>doc:xwiki:Glossary.Facet.WebHome]] indicates the number of characters allowed after the [[decimal>>doc:xwiki:Glossary.Decimals.WebHome]] separator.
	371	+|pattern|(% style="width:827px" %)The pattern [[attribute>>doc:xwiki:Glossary.Attribute.WebHome]] holds any regular expression permitted in the implementation syntax (e.g., W3C XML Schema).
403	403
404		-|**Facet Type**| |**Explanation**
405		-|isSequence| |The isSequence facet indicates whether the values are intended to be ordered, and it may work in combination with the interval, startValue, and endValue facet or the timeInterval, startTime, and endTime, facets. If this attribute holds a value of true, a start value or time and a numeric or time interval must be supplied. If an end value is not given, then the sequence continues indefinitely.
406		-|interval| |The interval attribute specifies the permitted interval (increment) in a sequence. In order for this to be used, the isSequence attribute must have a value of true.
407		-|startValue| |The startValue facet is used in conjunction with the isSequence and interval facets (which must be set in order to use this facet). This facet is used for a numeric sequence and indicates the starting point of the sequence. This value is mandatory for a numeric sequence to be expressed
408		-|endValue| |The endValue facet is used in conjunction with the isSequence and interval facets (which must be set in order to use this facet). This facet is used for a numeric sequence and indicates that ending point (if any) of the sequence.
409		-|timeInterval| |The timeInterval facet indicates the permitted duration in a time sequence. In order for this to be used, the isSequence facet must have a value of true.
410		-|startTime| |The startTime facet is used in conjunction with the isSequence and timeInterval facets (which must be set in order to use this facet). This attribute is used for a time sequence and indicates the start time of the sequence. This value is mandatory for a time sequence to be expressed.
411		-|endTime| |The endTime facet is used in conjunction with the isSequence and timeInterval facets (which must be set in order to use this facet). This facet is used for a time sequence and indicates that ending point (if any) of the sequence.
412		-|minLength| |The minLength facet specifies the minimum and length of the value in characters.
413		-|maxLength| |The maxLength facet specifies the maximum length of the value in characters.
414		-|minValue| |The minValue facet is used for inclusive and exclusive ranges, indicating what the lower bound of the range is. If this is used with an inclusive range, a valid value will be greater than or equal to the value specified here. If the inclusive and exclusive data type is not specified (e.g., this facet is used with an integer data type), the value is assumed to be inclusive.
415		-|minLength| |The minLength facet specifies the minimum and length of the value in characters.
416		-|maxLength| |The maxLength facet specifies the maximum length of the value in characters.
417		-|minValue| |The minValue facet is used for inclusive and exclusive ranges, indicating what the lower bound of the range is. If this is used with an inclusive range, a valid value will be greater than or equal to the value specified here. If the inclusive and exclusive data type is not specified (e.g., this facet is used with an integer data type), the value is assumed to be inclusive.
418		-|maxValue| |The maxValue facet is used for inclusive and exclusive ranges, indicating what the upper bound of the range is. If this is used with an inclusive range, a valid value will be less than or equal to the value specified here. If the inclusive and exclusive data type is not specified (e.g., this facet is used with an integer data type), the value is assumed to be inclusive.
419		-|decimals| |The decimals facet indicates the number of characters allowed after the decimal separator.
420		-|pattern| |The pattern attribute holds any regular expression permitted in the implementation syntax (e.g., W3C XML Schema).
	373	+----
421	421
422		-[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_59eee18f.gif||alt="Shape29" height="1" width="192"]]
423		-
424		-^^2^^ In the JSON schemas, more complex data types are complemented with regular expressions, whenever no direct mapping to a standard type exists.
	375	+{{putFootnotes/}}