Changes for page 3 SDMX Base Package
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... ... @@ -51,7 +51,7 @@ 51 51 | |(% style="width:262px" %)[[title>>doc:sdmx:Glossary.Title.WebHome]]|(% style="width:543px" %)A [[title>>doc:sdmx:Glossary.Title.WebHome]] used to identify an [[annotation>>doc:sdmx:Glossary.Annotation.WebHome]]. 52 52 | |(% style="width:262px" %)type|(% style="width:543px" %)Specifies how the [[annotation>>doc:sdmx:Glossary.Annotation.WebHome]] is to be processed. 53 53 | |(% style="width:262px" %)url|(% style="width:543px" %)A link to external descriptive text. 54 -| |(% style="width:262px" %)value|(% style="width:543px" %)A non-localised (% style="color:#e74c3c" %)version(%%)of the [[Annotation>>doc:sdmx:Glossary.Annotation.WebHome]] content.54 +| |(% style="width:262px" %)value|(% style="width:543px" %)A non-localised version of the [[Annotation>>doc:sdmx:Glossary.Annotation.WebHome]] content. 55 55 | |(% style="width:262px" %)+url|(% style="width:543px" %)An International URI provides a set of links that are language specific, via this role. 56 56 | |(% style="width:262px" %)+text|(% style="width:543px" %)An [[International String>>doc:sdmx:Glossary.International string.WebHome]] provides the multilingual text content of the [[annotation>>doc:sdmx:Glossary.Annotation.WebHome]] via this role. 57 57 |InternationalUri|(% style="width:262px" %) |(% style="width:543px" %)The International Uri is a collection of Localised URIs and supports linking to external descriptions in multiple locales. ... ... @@ -80,9 +80,9 @@ 80 80 Base inheritance sub classes are: 81 81 //MaintainableArtefact// 82 82 )))|(% style="width:543px" %)Provides versioning information for all derived objects. 83 -| |(% style="width:262px" %)(% style="color:#e74c3c" %)version|(% style="width:543px" %)A (% style="color:#e74c3c" %)version(%%) string following [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] versioning rules. 84 -| |(% style="width:262px" %)validFrom|(% style="width:543px" %)Date from which the (% style="color:#e74c3c" %)version(%%) is valid 85 -| |(% style="width:262px" %)validTo|(% style="width:543px" %)Date from which (% style="color:#e74c3c" %)version(%%) is superseded 83 +| |(% style="width:262px" %)(% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]]|(% style="width:543px" %)A (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) string following [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] versioning rules. 84 +| |(% style="width:262px" %)validFrom|(% style="width:543px" %)Date from which the (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) is valid 85 +| |(% style="width:262px" %)validTo|(% style="width:543px" %)Date from which (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) is superseded 86 86 |//MaintainableArtefact//|(% style="width:262px" %)((( 87 87 Inherits from 88 88 ... ... @@ -120,11 +120,11 @@ 120 120 121 121 ==== 3.4.2.1 Narrative ==== 122 122 123 -The FacetType and FacetValueType enumerations are used to specify the valid format of the content of a non-enumerated (% style="color:#e74c3c" %)Concept(%%) or the usage of a (% style="color:#e74c3c" %)Concept(%%) when specified for use on a //[[Component>>doc:sdmx:Glossary.Component.WebHome]]// on a //Structure// (such as a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] in a DataStructureDefinition). The description of the various types can be found in the chapter on ConceptScheme (section 4.5). 123 +The FacetType and FacetValueType enumerations are used to specify the valid format of the content of a non-enumerated (% style="color:#e74c3c" %)[[Concept>>doc:sdmx:Glossary.Concept.WebHome]](%%) or the usage of a (% style="color:#e74c3c" %)[[Concept>>doc:sdmx:Glossary.Concept.WebHome]](%%) when specified for use on a //[[Component>>doc:sdmx:Glossary.Component.WebHome]]// on a //Structure// (such as a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] in a DataStructureDefinition). The description of the various types can be found in the chapter on ConceptScheme (section 4.5). 124 124 125 125 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: 126 126 127 -* Append: Data or metadata is an [[incremental update>>doc:sdmx:Glossary.Incremental update.WebHome]] for an existing data/[[metadata set>>doc:sdmx:Glossary.Metadata set.WebHome]] or the provision of new data or documentation ([[attribute>>doc:sdmx: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:#e74c3c" %)version(%%)1.0 of the [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] Technical Standards.127 +* Append: Data or metadata is an [[incremental update>>doc:sdmx:Glossary.Incremental update.WebHome]] for an existing data/[[metadata set>>doc:sdmx:Glossary.Metadata set.WebHome]] or the provision of new data or documentation ([[attribute>>doc:sdmx: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 version 1.0 of the [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] Technical Standards. 128 128 * Replace: Data/metadata is to be replaced and may also include additional data/metadata to be appended. 129 129 * Delete: Data/Metadata is to be deleted. 130 130 * Information: Data and metadata are for information purposes. ... ... @@ -131,9 +131,9 @@ 131 131 132 132 The ToValueType data type contains the [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] to support transformations defined in the StructureMap (see Section 0). 133 133 134 -The ConstraintRoleType data type contains the [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] that identify the purpose of a (% style="color:#e74c3c" %)Constraint(%%) (allowableContent, actualContent). 134 +The ConstraintRoleType data type contains the [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] that identify the purpose of a (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) (allowableContent, actualContent). 135 135 136 -The ComponentRoleType data type contains the predefined (% style="color:#e74c3c" %)Concept(%%) roles that can be assigned to any [[Component>>doc:sdmx:Glossary.Component.WebHome]].136 +The ComponentRoleType data type contains the predefined (% style="color:#e74c3c" %)[[Concept>>doc:sdmx:Glossary.Concept.WebHome]](%%) roles that can be assigned to any Component. 137 137 138 138 The CascadeValues data type contains the possible values for a MemberValue within a CubeRegion, in order to enable cascading to all children [[Codes>>doc:sdmx:Glossary.Code.WebHome]] of a selected [[Code>>doc:sdmx:Glossary.Code.WebHome]], while including/excluding the latter in the selection. 139 139 ... ... @@ -157,13 +157,13 @@ 157 157 158 158 ==== 3.5.3.1 Narrative ==== 159 159 160 -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:sdmx: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:#e74c3c" %)Concepts(%%) are //Item//s. 160 +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:sdmx: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:#e74c3c" %)[[Concepts>>doc:sdmx:Glossary.Concept.WebHome]](%%) are //Item//s. 161 161 162 162 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:sdmx:Glossary.Attribute.WebHome]] to "true". 163 163 164 -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:#e74c3c" %)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:sdmx: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//. 164 +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:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%)). This is important as this is the id that that is referenced in other structures (e.g., a [[Codelist>>doc:sdmx:Glossary.Code list.WebHome]] referenced in a [[DSD>>doc:sdmx: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//. 165 165 166 -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:sdmx:Glossary.Code.WebHome]] in a Codelist are relevant. In this case a partial Codelist can be constructed using the (% style="color:#e74c3c" %)Constraint(%%) mechanism explained later in this document. 166 +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>>doc:sdmx:Glossary.Code list.WebHome]] is used in a DataStructureDefinition it is sometimes the case that only a sub-set of the [[Codes>>doc:sdmx:Glossary.Code.WebHome]] in a [[Codelist>>doc:sdmx:Glossary.Code list.WebHome]] are relevant. In this case a partial [[Codelist>>doc:sdmx:Glossary.Code list.WebHome]] can be constructed using the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) mechanism explained later in this document. 167 167 168 168 //Item// inherits from //NameableArtefact// which gives it the ability to be annotated and have identity, and therefore has id, uri and urn [[attributes>>doc:sdmx: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//). 169 169 ... ... @@ -195,7 +195,7 @@ 195 195 //NameableArtefact// 196 196 Direct sub classes are 197 197 Category 198 -(% style="color:#e74c3c" %)Concept(%%) 198 +(% style="color:#e74c3c" %)[[Concept>>doc:sdmx:Glossary.Concept.WebHome]](%%) 199 199 [[Code>>doc:sdmx:Glossary.Code.WebHome]] 200 200 ReportingCategory //Organisation// 201 201 Transformation ... ... @@ -205,7 +205,7 @@ 205 205 VtlMapping 206 206 UserDefinedOperator// //hierarchy 207 207 )))|(% style="width:583px" %)((( 208 -The Item is an item of content in an [[Item Scheme>>doc:sdmx:Glossary.Item scheme.WebHome]]. This may be a node in a taxonomy or ontology, a [[code>>doc:sdmx:Glossary.Code.WebHome]] in a [[code list>>doc:sdmx:Glossary.Code list.WebHome]] etc. Node that at the conceptual (% style="color:#e74c3c" %)level(%%)the Organisation is not hierarchic.208 +The Item is an item of content in an [[Item Scheme>>doc:sdmx:Glossary.Item scheme.WebHome]]. This may be a node in a taxonomy or ontology, a [[code>>doc:sdmx:Glossary.Code.WebHome]] in a [[code list>>doc:sdmx:Glossary.Code list.WebHome]] etc. Node that at the conceptual level the Organisation is not hierarchic. 209 209 This allows an Item optionally to have one or more child Items 210 210 ))) 211 211 ... ... @@ -242,18 +242,18 @@ 242 242 AttributeDescriptor: DataAttribute, MetadataAttributeRef 243 243 MetadataAttributeDescriptor: MetadataAttribute 244 244 245 -Each //[[Component>>doc:sdmx:Glossary.Component.WebHome]]// takes its semantic (and possibly also its [[representation>>doc:sdmx:Glossary.Representation.WebHome]]) from a (% style="color:#e74c3c" %)Concept(%%) in a ConceptScheme. This is represented by the conceptIdentity association to (% style="color:#e74c3c" %)Concept(%%). 245 +Each //[[Component>>doc:sdmx:Glossary.Component.WebHome]]// takes its semantic (and possibly also its [[representation>>doc:sdmx:Glossary.Representation.WebHome]]) from a (% style="color:#e74c3c" %)[[Concept>>doc:sdmx:Glossary.Concept.WebHome]](%%) in a ConceptScheme. This is represented by the conceptIdentity association to (% style="color:#e74c3c" %)[[Concept>>doc:sdmx:Glossary.Concept.WebHome]](%%). 246 246 247 -The //[[Component>>doc:sdmx:Glossary.Component.WebHome]]// may also have a localRepresentation. This allows a concrete class, such as [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]], to specify its [[representation>>doc:sdmx:Glossary.Representation.WebHome]] which is local to the //Structure// in which it is contained (for [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] this will be DataStructureDefinition), and thus overrides any coreRepresentation specified for the (% style="color:#e74c3c" %)Concept(%%). 247 +The //[[Component>>doc:sdmx:Glossary.Component.WebHome]]// may also have a localRepresentation. This allows a concrete class, such as [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]], to specify its [[representation>>doc:sdmx:Glossary.Representation.WebHome]] which is local to the //Structure// in which it is contained (for [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] this will be DataStructureDefinition), and thus overrides any coreRepresentation specified for the (% style="color:#e74c3c" %)[[Concept>>doc:sdmx:Glossary.Concept.WebHome]](%%). 248 248 249 -The [[Representation>>doc:sdmx:Glossary.Representation.WebHome]] can be enumerated or non-enumerated. The valid content of an enumerated [[representation>>doc:sdmx: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:sdmx:Glossary.Representation.WebHome]] is specified as one or more [[Facet>>doc:sdmx:Glossary.Facet.WebHome]](s) (for example, these may specify minimum and maximum values). For any [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] this is achieved by one of more249 +The [[Representation>>doc:sdmx:Glossary.Representation.WebHome]] can be enumerated or non-enumerated. The valid content of an enumerated [[representation>>doc:sdmx:Glossary.Representation.WebHome]] is specified either in an //ItemScheme// which can be one of [[Codelist>>doc:sdmx:Glossary.Code list.WebHome]], ValueList or //GeoCodelist//. The valid content of a non-enumerated [[representation>>doc:sdmx:Glossary.Representation.WebHome]] is specified as one or more Facet(s) (for example, these may specify minimum and maximum values). For any [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] this is achieved by one of more 250 250 251 251 ExtendedFacet(s), which allow the additional [[representation>>doc:sdmx:Glossary.Representation.WebHome]] of XHTML. 252 252 253 -The types of [[representation>>doc:sdmx:Glossary.Representation.WebHome]] that are valid for specific [[components>>doc:sdmx:Glossary.Component.WebHome]] is expressed in the model as a (% style="color:#e74c3c" %)constraint(%%) on the association: 253 +The types of [[representation>>doc:sdmx:Glossary.Representation.WebHome]] that are valid for specific [[components>>doc:sdmx:Glossary.Component.WebHome]] is expressed in the model as a (% style="color:#e74c3c" %)[[constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) on the association: 254 254 255 255 * The [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]], DataAttribute, [[Measure>>doc:sdmx:Glossary.Measure.WebHome]], MetadataAttribute may be enumerated and, if so, use an //EnumeratedList//. 256 -* The [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] and [[Measure>>doc:sdmx:Glossary.Measure.WebHome]] may be non-enumerated and, if so, use one or more [[Facet>>doc:sdmx:Glossary.Facet.WebHome]](s), note that the FacetValueType applicable to the TimeDimension is restricted to those that represent time.256 +* The [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] and [[Measure>>doc:sdmx: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. 257 257 * The MetadataAttribute and DataAttribute may be non-enumerated and, if so, use one or more ExtendedFacet(s). 258 258 259 259 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:sdmx:Glossary.Dataflow.WebHome]] (sub class of //StructureUsage//) may use a particular DataStructureDefinition (sub class of //Structure//), and similar constructs apply for the [[Metadataflow>>doc:sdmx:Glossary.Metadataflow.WebHome]] (link to MetadataStructureDefinition). ... ... @@ -274,7 +274,7 @@ 274 274 //MaintainableArtefact// 275 275 Sub classes are: 276 276 DataStructureDefinition MetadataStructureDefinit ion 277 -)))|Abstract specification of a list of lists to define a complex tabular structure. A concrete example of this would be statistical (% style="color:#e74c3c" %)concepts(%%), [[code lists>>doc:sdmx:Glossary.Code list.WebHome]], and their organisation in a data or [[metadata structure definition>>doc:sdmx:Glossary.Metadata structure definition.WebHome]], defined by a centre institution, usually for the exchange of statistical information with its partners. 277 +)))|Abstract specification of a list of lists to define a complex tabular structure. A concrete example of this would be statistical (% style="color:#e74c3c" %)[[concepts>>doc:sdmx:Glossary.Concept.WebHome]](%%), [[code lists>>doc:sdmx:Glossary.Code list.WebHome]], and their organisation in a data or [[metadata structure definition>>doc:sdmx:Glossary.Metadata structure definition.WebHome]], defined by a centre institution, usually for the exchange of statistical information with its partners. 278 278 | |grouping|A composite association to one or more [[component>>doc:sdmx:Glossary.Component.WebHome]] lists. 279 279 |//ComponentList//|((( 280 280 Inherits from: ... ... @@ -294,14 +294,14 @@ 294 294 //AttributeComponent 295 295 DimensionComponent// 296 296 )))|A [[Component>>doc:sdmx:Glossary.Component.WebHome]] is an abstract super class used to define qualitative and quantitative data and metadata items that belong to a [[Component>>doc:sdmx:Glossary.Component.WebHome]] List and hence a Structure. [[Component>>doc:sdmx:Glossary.Component.WebHome]] is refined through its sub-classes. 297 -| |conceptIdentity|Association to a (% style="color:#e74c3c" %)Concept(%%) in a [[Concept Scheme>>doc:sdmx:Glossary.Concept scheme.WebHome]] that identifies and defines the semantic of the [[Component>>doc:sdmx:Glossary.Component.WebHome]]. 297 +| |conceptIdentity|Association to a (% style="color:#e74c3c" %)[[Concept>>doc:sdmx:Glossary.Concept.WebHome]](%%) in a [[Concept Scheme>>doc:sdmx:Glossary.Concept scheme.WebHome]] that identifies and defines the semantic of the [[Component>>doc:sdmx:Glossary.Component.WebHome]]. 298 298 | |localRepresentation|((( 299 299 Association to the [[Representation>>doc:sdmx:Glossary.Representation.WebHome]] of the [[Component>>doc:sdmx:Glossary.Component.WebHome]] if this is different from the coreRepresentation of the 300 300 301 -(% style="color:#e74c3c" %)Concept(%%), which the [[Component>>doc:sdmx:Glossary.Component.WebHome]] uses (ConceptUsage). 301 +(% style="color:#e74c3c" %)[[Concept>>doc:sdmx:Glossary.Concept.WebHome]](%%), which the [[Component>>doc:sdmx:Glossary.Component.WebHome]] uses (ConceptUsage). 302 302 ))) 303 -|[[Representation>>doc:sdmx:Glossary.Representation.WebHome]]| |The allowable value or format for [[Component>>doc:sdmx:Glossary.Component.WebHome]] or (% style="color:#e74c3c" %)Concept 304 -| |+enumerated|Association to an enumerated list that contains the allowable content for the [[Component>>doc:sdmx:Glossary.Component.WebHome]] when reported in a data or [[metadata set>>doc:sdmx:Glossary.Metadata set.WebHome]]. The type of enumerated list that is allowed for any concrete [[Component>>doc:sdmx:Glossary.Component.WebHome]] is shown in the (% style="color:#e74c3c" %)constraints(%%) on the association. 303 +|[[Representation>>doc:sdmx:Glossary.Representation.WebHome]]| |The allowable value or format for [[Component>>doc:sdmx:Glossary.Component.WebHome]] or (% style="color:#e74c3c" %)[[Concept>>doc:sdmx:Glossary.Concept.WebHome]] 304 +| |+enumerated|Association to an enumerated list that contains the allowable content for the [[Component>>doc:sdmx:Glossary.Component.WebHome]] when reported in a data or [[metadata set>>doc:sdmx:Glossary.Metadata set.WebHome]]. The type of enumerated list that is allowed for any concrete [[Component>>doc:sdmx:Glossary.Component.WebHome]] is shown in the (% style="color:#e74c3c" %)[[constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) on the association. 305 305 | |+nonEnumerated|Association to a set of [[Facets>>doc:sdmx:Glossary.Facet.WebHome]] that define the allowable format for the content of the [[Component>>doc:sdmx:Glossary.Component.WebHome]] when reported in a data or [[metadata set>>doc:sdmx:Glossary.Metadata set.WebHome]]. 306 306 |[[Facet>>doc:sdmx:Glossary.Facet.WebHome]]| |Defines the format for the content of the [[Component>>doc:sdmx:Glossary.Component.WebHome]] when reported in a data or [[metadata set>>doc:sdmx:Glossary.Metadata set.WebHome]]. 307 307 | |facetType|A specific content type, which is constrained by the [[Facet>>doc:sdmx:Glossary.Facet.WebHome]] Type enumeration.