Changes for page 8 Hierarchy
Last modified by Helena K. on 2026/06/08 17:11
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... ... @@ -1,0 +1,1 @@ 1 +Artefact|Attribute|Codelist|Coding Format|Hierarchical Code|Hierarchy|Identifiable Artefact|Maintenance agency|Statistical classification - Content
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... ... @@ -4,17 +4,15 @@ 4 4 5 5 == 8.1 Scope == 6 6 7 -The [[Codelist>>doc:sdmx:Glossary 2\.1.Code list.WebHome]] described in the section on structural definitions supports a simple [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] of Codes and restricts any [[child>>doc:IMElements.child.WebHome]][[Code>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.Item.Code.WebHome]] to having just one[[parent>>doc:IMElements.parent.WebHome]][[Code>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.Item.Code.WebHome]]. Whilst this[[structure>>doc:IMElements.structure.WebHome]]is useful for supporting the needs of the[[DataStructureDefinition>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.Structure.DataStructureDefinition.WebHome]]and the[[MetadataStructureDefinition>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.Structure.MetadataStructureDefinition.WebHome]], it may not be sufficient for supporting the more complex associations between codes that are often found in coding schemes such as a [[classification>>doc:sdmx:Glossary 2\.1.Statistical Classification.WebHome]] scheme. Often, the [[Codelist>>doc:sdmx:Glossary 2\.1.Code list.WebHome]] used in a[[DataStructureDefinition>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.Structure.DataStructureDefinition.WebHome]]is derived from a more complex coding scheme. Access to such a coding scheme can aid applications, such as OLAP applications or data visualisation systems, to give more views of the data than would be possible with the simple [[Codelist>>doc:sdmx:Glossary 2\.1.Code list.WebHome]] used in the[[DataStructureDefinition>>doc:IMElements.AnnotableArtefact.IdentifiableArtefact.NameableArtefact.VersionableArtefact.MaintainableArtefact.Structure.DataStructureDefinition.WebHome]].A [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] may be linked to an IndentifiableArtefact, in order to assist.7 +The [[Codelist>>doc:sdmx:Glossary 2\.1.Code list.WebHome]] described in the section on structural definitions supports a simple [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] of [[Codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] and restricts any child [[Code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] to having just one parent [[Code>>doc:sdmx:Glossary 2\.1.Code.WebHome]]. Whilst this structure is useful for supporting the needs of the DataStructureDefinition and the MetadataStructureDefinition, it may not be sufficient for supporting the more complex associations between [[codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] that are often found in coding schemes such as a [[classification>>doc:sdmx:Glossary 2\.1.Statistical Classification.WebHome]] scheme. Often, the [[Codelist>>doc:sdmx:Glossary 2\.1.Code list.WebHome]] used in a DataStructureDefinition is derived from a more complex coding scheme. Access to such a coding scheme can aid applications, such as OLAP applications or data visualisation systems, to give more views of the data than would be possible with the simple [[Codelist>>doc:sdmx:Glossary 2\.1.Code list.WebHome]] used in the DataStructureDefinition. A [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] may be linked to an IndentifiableArtefact, in order to assist. 8 8 9 -Note that a [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] is not necessarily a balanced tree. A balanced tree is where 9 +Note that a [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] is not necessarily a balanced tree. A balanced tree is where [[levels>>doc:sdmx:Glossary 2\.1.Level.WebHome]] are pre-defined and fixed, (i.e. a [[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] always has the same set of [[codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]], and any [[code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] has a fixed parent and child relationship to other [[codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]]). A [[statistical classification>>doc:sdmx:Glossary 2\.1.Statistical Classification.WebHome]] is an example of a balanced tree, and the support for a balanced [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] is a subset, and special case, of [[hierarchies>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]]. 10 10 11 -levels are pre-defined and fixed, (i.e. a level always has the same set of codes, and any code has a fixed [[parent>>doc:IMElements.parent.WebHome]] and [[child>>doc:IMElements.child.WebHome]] relationship to other codes). A [[statistical classification>>doc:sdmx:Glossary 2\.1.Statistical Classification.WebHome]] is an example of a balanced tree, and the support for a balanced [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] is a subset, and special case, of [[hierarchies>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]]. 12 - 13 13 The principal features of the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] are: 14 14 15 -1. A [[child>>doc:IMElements.child.WebHome]] code can have more than one[[parent>>doc:IMElements.parent.WebHome]].16 -1. There can be more than one code that has no [[parent>>doc:IMElements.parent.WebHome]] (i.e. more than one “root node”).17 -1. The levels in a [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] can be explicitly defined or they can be implicit: i.e. they exist only as [[parent>>doc:IMElements.parent.WebHome]]/[[child>>doc:IMElements.child.WebHome]]relationships in the coding[[structure>>doc:IMElements.structure.WebHome]].13 +1. A child [[code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] can have more than one parent. 14 +1. There can be more than one [[code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] that has no parent (i.e. more than one “root node”). 15 +1. The [[levels>>doc:sdmx:Glossary 2\.1.Level.WebHome]] in a [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] can be explicitly defined or they can be implicit: i.e. they exist only as parent/child relationships in the coding structure. 18 18 1. [[Hierarchies>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] may be associated to the structures they refer to, via the HierarchyAssociation. 19 19 20 20 == 8.2 Inheritance == ... ... @@ -29,7 +29,7 @@ 29 29 30 30 ==== 8.2.2.1 Narrative ==== 31 31 32 -The [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] and //HierarchyAssociation// inherit from //MaintainableArtefact// and thus have identification, naming, versioning and a [[maintenance agency>>doc:sdmx:Glossary 2\.1.Maintenance agency.WebHome]]. The (% style="color:#e74c3c"%)Level(%%)is a //NameableArtefact// and therefore has an Id, multi-lingual name and multi-lingual description. A //HierachicalCode// is an //IdentifiableArtefact//.30 +The [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] and //HierarchyAssociation// inherit from //MaintainableArtefact// and thus have identification, naming, versioning and a [[maintenance agency>>doc:sdmx:Glossary 2\.1.Maintenance agency.WebHome]]. The [[Level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] is a //NameableArtefact// and therefore has an Id, multi-lingual name and multi-lingual description. A //HierachicalCode// is an //IdentifiableArtefact//. 33 33 34 34 It is important to understand that the [[Codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] participating in a [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] are not themselves contained in the list – they are referenced from the list and are maintained in one or more [[Codelists>>doc:sdmx:Glossary 2\.1.Code list.WebHome]]. This is explained in the narrative of the relationship class diagram below. 35 35 ... ... @@ -55,49 +55,47 @@ 55 55 1. The [[Codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] in the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] are not themselves a part of the [[artefact>>doc:sdmx:Glossary 2\.1.Artefact.WebHome]], rather they are references to [[Codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] in one or more external [[Codelists>>doc:sdmx:Glossary 2\.1.Code list.WebHome]]. 56 56 1. The [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] of [[Codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] is specified in HierarchicalCode. This references the [[Code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] and its immediate child HierarchicalCodes. 57 57 58 -A [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] can have formal (% style="color:#e74c3c"%)levels(%%)(hasFormalLevels="true"). However, even if hasFormalLevels="false" the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] can still have one or more(% style="color:#e74c3c"%)Levels(%%)associated in order to document information about the HierarchicalCodes.56 +A [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] can have formal [[levels>>doc:sdmx:Glossary 2\.1.Level.WebHome]] (hasFormalLevels="true"). However, even if hasFormalLevels="false" the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] can still have one or more [[Levels>>doc:sdmx:Glossary 2\.1.Level.WebHome]] associated in order to document information about the HierarchicalCodes. 59 59 60 -If hasFormalLevels="false" the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] is “value based” comprising a [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] of [[codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] with no formal (% style="color:#e74c3c"%)Levels(%%). If hasFormalLevels="true" then the [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] is “(% style="color:#e74c3c"%)level(%%)based” where each(% style="color:#e74c3c"%)Level(%%)is a formal(% style="color:#e74c3c"%)Level(%%)in the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]], such as those present in [[statistical classifications>>doc:sdmx:Glossary 2\.1.Statistical Classification.WebHome]]. In a “(% style="color:#e74c3c"%)level(%%)based” [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] each HierarchicalCode is linked to the(% style="color:#e74c3c"%)Level(%%)in which it resides. It is expected that all HierarchicalCodes at the same hierarchic(% style="color:#e74c3c"%)level(%%)defined by the +parent/+child association will be linked to the same(% style="color:#e74c3c"%)Level(%%). Note that the +(% style="color:#e74c3c"%)level(%%)association need only be specified if the HierarchicalCode is at a different hierarchical(% style="color:#e74c3c"%)level(%%)(implied by the HierarchicalCode parent/child association) than the actual(% style="color:#e74c3c"%)Level(%%)in the(% style="color:#e74c3c"%)level(%%)[[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] (implied by the(% style="color:#e74c3c"%)Level(%%)parent/child association).58 +If hasFormalLevels="false" the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] is “value based” comprising a [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] of [[codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] with no formal [[Levels>>doc:sdmx:Glossary 2\.1.Level.WebHome]]. If hasFormalLevels="true" then the [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] is “[[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] based” where each [[Level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] is a formal [[Level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] in the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]], such as those present in [[statistical classifications>>doc:sdmx:Glossary 2\.1.Statistical Classification.WebHome]]. In a “[[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] based” [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] each HierarchicalCode is linked to the [[Level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] in which it resides. It is expected that all HierarchicalCodes at the same hierarchic [[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] defined by the +parent/+child association will be linked to the same [[Level>>doc:sdmx:Glossary 2\.1.Level.WebHome]]. Note that the +[[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] association need only be specified if the HierarchicalCode is at a different hierarchical [[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] (implied by the HierarchicalCode parent/child association) than the actual [[Level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] in the [[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] (implied by the [[Level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] parent/child association). 61 61 62 -[Note that organisations wishing to be compliant with accepted models for [[statistical classifications>>doc:sdmx:Glossary 2\.1.Statistical Classification.WebHome]] should ensure that the Id is the number associated with the (% style="color:#e74c3c"%)Level(%%), where(% style="color:#e74c3c"%)Levels(%%)are numbered consecutively starting with(% style="color:#e74c3c"%)level(%%)1 at the highest(% style="color:#e74c3c"%)Level(%%)].60 +[Note that organisations wishing to be compliant with accepted models for [[statistical classifications>>doc:sdmx:Glossary 2\.1.Statistical Classification.WebHome]] should ensure that the Id is the number associated with the [[Level>>doc:sdmx:Glossary 2\.1.Level.WebHome]], where [[Levels>>doc:sdmx:Glossary 2\.1.Level.WebHome]] are numbered consecutively starting with [[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] 1 at the highest [[Level>>doc:sdmx:Glossary 2\.1.Level.WebHome]]]. 63 63 64 -The (% style="color:#e74c3c"%)Level(%%)may have CodingFormat information defined (e.g. coding type at that(% style="color:#e74c3c"%)level(%%)).62 +The [[Level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] may have CodingFormat information defined (e.g. coding type at that [[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]]). 65 65 66 66 A HierarchyAssociation links an IdentifiableArtefact (+linkedObject), that needs a [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]], with the latter (+linkedHierarchy). The association is performed in a certain context (+contextObject), e.g. a [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] in the context of a [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]]. 67 67 68 -==== 8.3.2.2 ==== 66 +==== 8.3.2.2 Definitions ==== 69 69 70 -==== Definitions ==== 71 - 72 72 (% style="width:901.835px" %) 73 73 |**Class**|**Feature**|(% style="width:564px" %)**Description** 74 74 |[[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]]|((( 75 75 Inherits from: 76 76 //MaintainableArtefact// 77 -)))|(% style="width:564px" %)A [[classification>>doc:sdmx:Glossary 2\.1.Statistical Classification.WebHome]] structure arranged in (% style="color:#e74c3c"%)levels(%%)of detail from the broadest to the most detailed(% style="color:#e74c3c"%)level(%%).73 +)))|(% style="width:564px" %)A [[classification>>doc:sdmx:Glossary 2\.1.Statistical Classification.WebHome]] structure arranged in [[levels>>doc:sdmx:Glossary 2\.1.Level.WebHome]] of detail from the broadest to the most detailed [[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]]. 78 78 | |hasFormalLevels|(% style="width:564px" %)((( 79 -If “true”, this indicates a [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] where the structure is arranged in (% style="color:#e74c3c"%)levels(%%)of detail from the broadest to the most detailed(% style="color:#e74c3c"%)level(%%).75 +If “true”, this indicates a [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] where the structure is arranged in [[levels>>doc:sdmx:Glossary 2\.1.Level.WebHome]] of detail from the broadest to the most detailed [[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]]. 80 80 81 -If “false”, this indicates a [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] structure where the items in the [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] have no formal (% style="color:#e74c3c"%)level(%%)structure.77 +If “false”, this indicates a [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] structure where the items in the [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] have no formal [[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] structure. 82 82 ))) 83 -| |+ [[codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]]|(% style="width:564px" %)Association to the top-(% style="color:#e74c3c"%)level(%%)[[Hierarchical Codes>>doc:sdmx:Glossary 2\.1.Hierarchical code.WebHome]] in the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]].84 -| |+ (% style="color:#e74c3c" %)level|(% style="width:564px" %)Association to the top(% style="color:#e74c3c"%)Level(%%)in the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]].85 -| (%%)(% style="color:#e74c3c"%)Level|(((79 +| |+codes|(% style="width:564px" %)Association to the top-[[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] [[Hierarchical Codes>>doc:sdmx:Glossary 2\.1.Hierarchical code.WebHome]] in the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]]. 80 +| |+level|(% style="width:564px" %)Association to the top [[Level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] in the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]]. 81 +|[[Level>>doc:sdmx:Glossary 2\.1.Level.WebHome]]|((( 86 86 Inherits from 87 87 //NameableArtefact// 88 88 )))|(% style="width:564px" %)((( 89 -In a “ (% style="color:#e74c3c"%)level(%%)based” [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] this describes a group of [[Codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] which are characterised by homogeneous coding, and where the parent of each [[Code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] in the group is at the same higher(% style="color:#e74c3c"%)level(%%)of the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]].90 -In a “value based’ [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] this describes information about the [[Hierarchical Codes>>doc:sdmx:Glossary 2\.1.Hierarchical code.WebHome]] at the specified nesting (% style="color:#e74c3c"%)level(%%).85 +In a “[[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] based” [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] this describes a group of [[Codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] which are characterised by homogeneous coding, and where the parent of each [[Code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] in the group is at the same higher [[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] of the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]]. 86 +In a “value based’ [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] this describes information about the [[Hierarchical Codes>>doc:sdmx:Glossary 2\.1.Hierarchical code.WebHome]] at the specified nesting [[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]]. 91 91 ))) 92 92 | |+codeFormat|(% style="width:564px" %)Association to the [[Coding Format>>doc:sdmx:Glossary 2\.1.Coding format.WebHome]]. 93 -| |+child|(% style="width:564px" %)Association to a child (% style="color:#e74c3c"%)Level(%%)of(% style="color:#e74c3c"%)Level(%%).94 -|CodingFormat| |(% style="width:564px" %)Specifies format information for the [[codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] at this (% style="color:#e74c3c"%)level(%%)in the [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] such as whether the [[codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] at the(% style="color:#e74c3c"%)level(%%)are alphabetic, numeric or alphanumeric and the [[code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] length.89 +| |+child|(% style="width:564px" %)Association to a child [[Level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] of [[Level>>doc:sdmx:Glossary 2\.1.Level.WebHome]]. 90 +|CodingFormat| |(% style="width:564px" %)Specifies format information for the [[codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] at this [[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] in the [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]] such as whether the [[codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] at the [[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] are alphabetic, numeric or alphanumeric and the [[code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] length. 95 95 |HierarchicalCode| |(% style="width:564px" %)A hierarchic structure of [[code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] references. 96 96 | |validFrom|(% style="width:564px" %)Date from which the construct is valid 97 97 | |validTo|(% style="width:564px" %)Date from which construct is superseded. 98 -| |+ [[code>>doc:sdmx:Glossary 2\.1.Code.WebHome]]|(% style="width:564px" %)Association to the [[Code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] that is used at the specific point in the [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]].94 +| |+code|(% style="width:564px" %)Association to the [[Code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] that is used at the specific point in the [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]]. 99 99 | |+child|(% style="width:564px" %)Association to a child [[Code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] in the [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]]. 100 -| |+ (% style="color:#e74c3c" %)level|(% style="width:564px" %)Association to a(% style="color:#e74c3c"%)Level(%%)where(% style="color:#e74c3c"%)levels(%%)have been defined for the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]].96 +| |+level|(% style="width:564px" %)Association to a [[Level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] where [[levels>>doc:sdmx:Glossary 2\.1.Level.WebHome]] have been defined for the [[Hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]]. 101 101 |[[Code>>doc:sdmx:Glossary 2\.1.Code.WebHome]]| |(% style="width:564px" %)The [[Code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] to be used at this point in the [[hierarchy>>doc:sdmx:Glossary 2\.1.Hierarchy.WebHome]]. 102 102 | |/items|(% style="width:564px" %)Association to the [[Code list>>doc:sdmx:Glossary 2\.1.Code list.WebHome]] containing the [[Code>>doc:sdmx:Glossary 2\.1.Code.WebHome]]. 103 103 |[[Codelist>>doc:sdmx:Glossary 2\.1.Code list.WebHome]]| |(% style="width:564px" %)The [[Code list>>doc:sdmx:Glossary 2\.1.Code list.WebHome]] containing the [[Code>>doc:sdmx:Glossary 2\.1.Code.WebHome]].