Changes for page 4 Specific Item Schemes

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

From 15.5 to 15.6 From 16.3 to 16.4

From version 15.6

edited by Helena
on 2025/05/16 13:44

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To version 16.3

edited by Helena
on 2025/05/16 22:58

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@@ -4,7 +4,7 @@
  == 4.1 Introduction ==
--The structures that are an arrangement of objects into hierarchies or lists based on characteristics, and which are maintained as a group inherit from //ItemScheme//. These concrete classes are:
++The structures that are an arrangement of objects into [[hierarchies>>doc:xwiki:Glossary.Hierarchy.WebHome]] or lists based on characteristics, and which are maintained as a group inherit from //ItemScheme//. These concrete classes are:
  Codelist
  ConceptScheme
@@ -18,7 +18,7 @@
  CustomTypeScheme
  VtlMappingScheme
--Note that the VTL related schemes (the last 6 of the above list) are detailed in a dedicated section below (section 15).
++Note that the [[VTL>>doc:xwiki:Glossary.Validation and transformation language.WebHome]] related schemes (the last 6 of the above list) are detailed in a dedicated section below (section 15).
  == 4.2 Inheritance View ==
@@ -36,7 +36,7 @@
  ==== 4.3.2.1 Narrative ====
--The Codelist inherits from the //ItemScheme// and therefore has the following attributes:
++The Codelist inherits from the //ItemScheme// and therefore has the following [[attributes>>doc:xwiki:Glossary.Attribute.WebHome]]:
  id
  uri
@@ -49,20 +49,18 @@
  structureURL
  isPartial
--The Code inherits from //Item// and has the following attributes:
++The [[Code>>doc:xwiki:Glossary.Code.WebHome]] inherits from //Item// and has the following [[attributes>>doc:xwiki:Glossary.Attribute.WebHome]]:
  id
  uri
  urn
--Both Codelist and Code have the association to InternationalString to support a multilingual name, an optional multi-lingual description, and an association to Annotation to support notes (not shown).
++Both Codelist and [[Code>>doc:xwiki:Glossary.Code.WebHome]] have the association to InternationalString to support a multilingual name, an optional multi-lingual description, and an association to [[Annotation>>doc:xwiki:Glossary.Annotation.WebHome]] to support notes (not shown).
--Through the inheritance the Codelist comprise one or more Codes, and the Code itself can have one or more child Codes in the (inherited) hierarchy association. Note that a child Code can have only one parent Code in this association. A more complex Hierarhcy, which allows multiple parents is described later.
++Through the inheritance the Codelist comprise one or more [[Codes>>doc:xwiki:Glossary.Code.WebHome]], and the [[Code>>doc:xwiki:Glossary.Code.WebHome]] itself can have one or more child [[Codes>>doc:xwiki:Glossary.Code.WebHome]] in the (inherited) [[hierarchy>>doc:xwiki:Glossary.Hierarchy.WebHome]] association. Note that a child [[Code>>doc:xwiki:Glossary.Code.WebHome]] can have only one parent [[Code>>doc:xwiki:Glossary.Code.WebHome]] in this association. A more complex Hierarhcy, which allows multiple parents is described later.
--A partial Codelist (where isPartial is set to 'true') is identical to a Codelist and contains the Code and associated names and descriptions, just as in a normal Codelist. However, its content is a subset of the full Codelist. The way this works is described in section 3.5.3.1 on
++A partial Codelist (where isPartial is set to 'true') is identical to a Codelist and contains the [[Code>>doc:xwiki:Glossary.Code.WebHome]] and associated names and descriptions, just as in a normal Codelist. However, its content is a subset of the full Codelist. The way this works is described in section 3.5.3.1 on //ItemScheme//.
--//ItemScheme//.
--
  ==== 4.3.2.2 Definitions ====
  (% style="width:743.039px" %)
@@ -88,9 +88,9 @@
  ==== 4.3.3.1 Narrative ====
--A Codelist may extend other Codelists via the CodelistExtension class. The latter, via the sequence, indicates the order of precedence of the extended Codelists for conflict resolution of Codes. Besides that, the prefix property is used to ensure uniqueness of inherited Codes in the extending{{footnote}}The Codelist that extends 0..* Codelists is the 'extending' Codelist, while the Codelist(s) that are inherited is/are the 'extended' Codelist(s).{{/footnote}} Codelist in case conflicting Codes must be included in the latter. Each CodelistExtension association may include one InclusiveCodeSelection or one ExclusiveCodeSelection; those allow including or excluding a specific selection of Codes from the extended Codelists.
++A Codelist may extend other Codelists via the CodelistExtension class. The latter, via the sequence, indicates the order of precedence of the extended Codelists for conflict resolution of [[Codes>>doc:xwiki:Glossary.Code.WebHome]]. Besides that, the prefix property is used to ensure uniqueness of inherited [[Codes>>doc:xwiki:Glossary.Code.WebHome]] in the extending{{footnote}}The Codelist that extends 0..* Codelists is the 'extending' Codelist, while the Codelist(s) that are inherited is/are the 'extended' Codelist(s).{{/footnote}} Codelist in case conflicting [[Codes>>doc:xwiki:Glossary.Code.WebHome]] must be included in the latter. Each CodelistExtension association may include one InclusiveCodeSelection or one ExclusiveCodeSelection; those allow including or excluding a specific selection of [[Codes>>doc:xwiki:Glossary.Code.WebHome]] from the extended Codelists.
--The code selection classes may have MemberValues in order to specify the subset of the Codes that should be included or excluded from the extended Codelist. A MemberValue may have a value that corresponds to a ,,Code,,, including its children ,,Code,,s (via the ,,cascadeValues,, property), or even include instances of the wildcard character ‘%’ in order to point to a set of ,,Code,,s with common parts in their identifiers.
++The [[code>>doc:xwiki:Glossary.Code.WebHome]] selection classes may have MemberValues in order to specify the subset of the [[Codes>>doc:xwiki:Glossary.Code.WebHome]] that should be included or excluded from the extended Codelist. A MemberValue may have a value that corresponds to a [[Code>>doc:xwiki:Glossary.Code.WebHome]], including its children [[Codes>>doc:xwiki:Glossary.Code.WebHome]] (via the cascadeValues property), or even include instances of the wildcard character ‘%’ in order to point to a set of [[Codes>>doc:xwiki:Glossary.Code.WebHome]] with common parts in their identifiers.
  ==== 4.3.3.2 Definitions ====
@@ -125,12 +125,12 @@
  ==== 4.3.4.1 Narrative ====
--A //GeoCodelist// is a specialisation of Codelist that includes geospatial information, by comprising a set of special Codes, i.e., //GeoRefCode//s. A //GeoCodelist// may be implemented by any of the two following classes, via the geoType property:
++A //GeoCodelist// is a specialisation of Codelist that includes geospatial information, by comprising a set of special [[Codes>>doc:xwiki:Glossary.Code.WebHome]], i.e., //GeoRefCode//s. A //GeoCodelist// may be implemented by any of the two following classes, via the geoType property:
  GeographicCodelist
  GeoGridCodelist
--The former, i.e., GeographicCodelist, comprises a set of GeoFeatureSetCodes, by adding a value in the Code that follows a pattern to represent a geo feature set.
++The former, i.e., GeographicCodelist, comprises a set of GeoFeatureSetCodes, by adding a value in the [[Code>>doc:xwiki:Glossary.Code.WebHome]] that follows a pattern to represent a geo feature set.
  The latter, i.e., GeoGridCodelist, comprises a set of GridCodes, which are related to the gridDefinition specified in the GeoGridCodelist.
@@ -172,7 +172,7 @@
  ==== 4.4.2.1 Narrative ====
--A ValueList inherits from //EnumeratedList// (and hence the //MaintenableArtefact//) and thus has the following attributes:
++A ValueList inherits from //EnumeratedList// (and hence the //MaintenableArtefact//) and thus has the following [[attributes>>doc:xwiki:Glossary.Attribute.WebHome]]:
  id
  uri
@@ -185,9 +185,9 @@
  structureURL
  repositoryURL
--ValueItem inherits from //EnumeratedItem//, which adds an id, with relaxed constraints, to the former.
++ValueItem inherits from //EnumeratedItem//, which adds an id, with relaxed (% style="color:#2ecc71" %)constraints(%%), to the former.
--Through the inheritance from //NameableArtefact// the ValueList has the association to InternationalString to support a multi-lingual name, an optional multi-lingual description, and an association to Annotation to support notes (not shown). Similarly, the ValueItem, inherits the association to InternationalString and to the Annotation from the //EnumeratedItem//.
++Through the inheritance from //NameableArtefact// the ValueList has the association to InternationalString to support a multi-lingual name, an optional multi-lingual description, and an association to [[Annotation>>doc:xwiki:Glossary.Annotation.WebHome]] to support notes (not shown). Similarly, the ValueItem, inherits the association to InternationalString and to the [[Annotation>>doc:xwiki:Glossary.Annotation.WebHome]] from the //EnumeratedItem//.
  The ValueList can have one or more ValueItems.
@@ -216,16 +216,32 @@
  === 4.5.2 Explanation of the Diagram ===
--The ConceptScheme inherits from the //ItemScheme //and therefore has the following attributes: id uri urn version validFrom validTo isExternalReference registryURL structureURL repositoryURL isPartial Concept inherits from Item and has the following attributes:
++The ConceptScheme inherits from the //ItemScheme //and therefore has the following [[attributes>>doc:xwiki:Glossary.Attribute.WebHome]]:
--id uri urn
++id
++uri
++urn
++version
++validFrom
++validTo
++isExternalReference
++registryURL
++structureURL
++repositoryURL
++isPartial
--Through the inheritance from //NameableArtefact// both ConceptScheme and Concept have the association to InternationalString to support a multi-lingual name, an optional multilingual description, and an association to Annotation to support notes (not shown).
++(% style="color:#2ecc71" %)Concept(%%) inherits from Item and has the following [[attributes>>doc:xwiki:Glossary.Attribute.WebHome]]:
--Through the inheritance from //ItemScheme// the ConceptScheme comprise one or more Concepts, and the Concept itself can have one or more child Concepts in the (inherited) hierarchy association. Note that a child Concept can have only one parent Concept in this association.
++id
++uri
++urn
--A partial ConceptScheme (where isPartial is set to “true”) is identical to a ConceptScheme and contains the Concept and associated names and descriptions, just as in a normal ConceptScheme. However, its content is a subset of the full ConceptScheme. The way this works is described in section 3.5.3.1 on ItemScheme.
++Through the inheritance from //NameableArtefact// both ConceptScheme and (% style="color:#2ecc71" %)Concept(%%) have the association to InternationalString to support a multi-lingual name, an optional multilingual description, and an association to [[Annotation>>doc:xwiki:Glossary.Annotation.WebHome]] to support notes (not shown).
++Through the inheritance from //ItemScheme// the ConceptScheme comprise one or more (% style="color:#2ecc71" %)Concepts(%%), and the (% style="color:#2ecc71" %)Concept(%%) itself can have one or more child (% style="color:#2ecc71" %)Concepts(%%) in the (inherited) [[hierarchy>>doc:xwiki:Glossary.Hierarchy.WebHome]] association. Note that a child (% style="color:#2ecc71" %)Concept(%%) can have only one parent (% style="color:#2ecc71" %)Concept(%%) in this association.
++
++A partial ConceptScheme (where isPartial is set to “true”) is identical to a ConceptScheme and contains the (% style="color:#2ecc71" %)Concept(%%) and associated names and descriptions, just as in a normal ConceptScheme. However, its content is a subset of the full ConceptScheme. The way this works is described in section 3.5.3.1 on ItemScheme.
++
  === 4.5.3 Class Diagram Relationship ===
  [[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_d9b0bdf4.jpg||height="450" width="461"]]
@@ -236,13 +236,13 @@
  ==== 4.5.4.1 Narrative ====
--The ConceptScheme can have one or more Concepts. A Concept can have zero or more child Concepts, thus supporting a hierarchy of Concepts. Note that a child Concept can have only one parent Concept in this association. The purpose of the hierarchy is to relate concepts that have a semantic relationship: for example, a Reporting_Country and Vis_a_Vis_Country may both have Country as a parent concept, or a CONTACT may have a PRIMARY_CONTACT as a child concept. It is not the purpose of such schemes to define reporting structures: these reporting structures are defined in the MetadataStructureDefinition.
++The ConceptScheme can have one or more (% style="color:#2ecc71" %)Concepts(%%). A (% style="color:#2ecc71" %)Concept(%%) can have zero or more child (% style="color:#2ecc71" %)Concepts(%%), thus supporting a [[hierarchy>>doc:xwiki:Glossary.Hierarchy.WebHome]] of (% style="color:#2ecc71" %)Concepts(%%). Note that a child (% style="color:#2ecc71" %)Concept(%%) can have only one parent (% style="color:#2ecc71" %)Concept(%%) in this association. The purpose of the [[hierarchy>>doc:xwiki:Glossary.Hierarchy.WebHome]] is to relate (% style="color:#2ecc71" %)concepts(%%) that have a semantic relationship: for example, a Reporting_Country and Vis_a_Vis_Country may both have Country as a parent (% style="color:#2ecc71" %)concept(%%), or a (% style="color:#2ecc71" %)CONTACT(%%) may have a PRIMARY_CONTACT as a child (% style="color:#2ecc71" %)concept(%%). It is not the purpose of such schemes to define reporting structures: these reporting structures are defined in the MetadataStructureDefinition.
--The Concept can be associated with a coreRepresentation. The coreRepresentation is the specification of the format and value domain of the Concept when used on a structure like a DataStructureDefinition or a MetadataStructureDefinition, unless the specification of the Representation is overridden in the relevant structure definition. In a hierarchical ConceptScheme the Representation is inherited from the parent Concept unless overridden at the level of the child Concept.
++The (% style="color:#2ecc71" %)Concept(%%) can be associated with a coreRepresentation. The coreRepresentation is the specification of the format and value domain of the (% style="color:#2ecc71" %)Concept(%%) when used on a structure like a DataStructureDefinition or a MetadataStructureDefinition, unless the specification of the [[Representation>>doc:xwiki:Glossary.Representation.WebHome]] is overridden in the relevant structure definition. In a hierarchical ConceptScheme the [[Representation>>doc:xwiki:Glossary.Representation.WebHome]] is inherited from the parent (% style="color:#2ecc71" %)Concept(%%) unless overridden at the (% style="color:#2ecc71" %)level(%%) of the child (% style="color:#2ecc71" %)Concept(%%).
--The Representation is documented in more detail in the section on the SDMX Base.
++The [[Representation>>doc:xwiki:Glossary.Representation.WebHome]] is documented in more detail in the section on the [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] Base.
--The Concept may be related to a concept described in terms of the ISO/IEC 11179 standard. The ISOConceptReference identifies this concept and concept scheme in which it is contained.
++The (% style="color:#2ecc71" %)Concept(%%) may be related to a (% style="color:#2ecc71" %)concept(%%) described in terms of the ISO/IEC 11179 standard. The ISOConceptReference identifies this (% style="color:#2ecc71" %)concept(%%) and [[concept scheme>>doc:xwiki:Glossary.Concept scheme.WebHome]] in which it is contained.
  ==== 4.5.4.2 Definitions ====
@@ -250,12 +250,10 @@
  |(% style="width:204px" %)**Class**|(% style="width:222px" %)**Feature**|(% style="width:337px" %)**Description**
  |(% style="width:204px" %)ConceptScheme|(% style="width:222px" %)(((
  Inherits from
--
  //ItemScheme//
  )))|(% style="width:337px" %)The descriptive information for an arrangement or division of concepts into groups based on characteristics, which the objects have in common.
  |(% style="width:204px" %)Concept|(% style="width:222px" %)(((
  Inherits from
--
  //Item//
  )))|(% style="width:337px" %)A concept is a unit of knowledge created by a unique combination of characteristics.
  |(% style="width:204px" %) |(% style="width:222px" %)/hierarchy|(% style="width:337px" %)Associates the parent and the child concept.
@@ -270,7 +270,7 @@
  === 4.6.1 Context ===
--This package defines the structure that supports the definition of and relationships between categories in a category scheme. It is similar to the package for concept scheme. An example of a category scheme is one which categorises data – sometimes known as a subject matter domain scheme or a data category scheme. Importantly, as will be seen later, the individual nodes in the scheme (the “categories”) can be associated to any set of IdentiableArtefacts in a Categorisation.
++This package defines the structure that supports the definition of and relationships between [[categories>>doc:xwiki:Glossary.Category.WebHome]] in a [[category scheme>>doc:xwiki:Glossary.Category scheme.WebHome]]. It is similar to the package for [[concept scheme>>doc:xwiki:Glossary.Concept scheme.WebHome]]. An example of a [[category scheme>>doc:xwiki:Glossary.Category scheme.WebHome]] is one which categorises data – sometimes known as a subject matter domain scheme or a data [[category scheme>>doc:xwiki:Glossary.Category scheme.WebHome]]. Importantly, as will be seen later, the individual nodes in the scheme (the “[[categories>>doc:xwiki:Glossary.Category.WebHome]]”) can be associated to any set of IdentiableArtefacts in a Categorisation.
  === 4.6.2 Class diagram Inheritance ===
@@ -282,19 +282,30 @@
  ==== 4.6.3.1 Narrative ====
--The categories are modelled as a hierarchical //ItemScheme//. The CategoryScheme inherits from the //ItemScheme// and has the following attributes:
++The [[categories>>doc:xwiki:Glossary.Category.WebHome]] are modelled as a hierarchical //ItemScheme//. The CategoryScheme inherits from the //ItemScheme// and has the following [[attributes>>doc:xwiki:Glossary.Attribute.WebHome]]:
--id uri urn version validFrom validTo isExternalReference structureURL serviceURL isPartial
++id
++uri
++urn
++version
++validFrom
++validTo
++isExternalReference
++structureURL
++serviceURL
++isPartial
--Category inherits from //Item// and has the following attributes:
++[[Category>>doc:xwiki:Glossary.Category.WebHome]] inherits from //Item// and has the following [[attributes>>doc:xwiki:Glossary.Attribute.WebHome]]:
--id uri urn
++id
++uri
++urn
--Both CategoryScheme and Category have the association to InternationalString to support a multi-lingual name, an optional multi-lingual description, and an association to Annotation to support notes (not shown on the model).
++Both CategoryScheme and [[Category>>doc:xwiki:Glossary.Category.WebHome]] have the association to InternationalString to support a multi-lingual name, an optional multi-lingual description, and an association to [[Annotation>>doc:xwiki:Glossary.Annotation.WebHome]] to support notes (not shown on the model).
--Through the inheritance the CategoryScheme comprise one or more Categorys, and the Category itself can have one or more child Category in the (inherited) hierarchy association. Note that a child Category can have only one parent Category in this association.
++Through the inheritance the CategoryScheme comprise one or more [[Categorys>>doc:xwiki:Glossary.Category.WebHome]], and the [[Category>>doc:xwiki:Glossary.Category.WebHome]] itself can have one or more child [[Category>>doc:xwiki:Glossary.Category.WebHome]] in the (inherited) [[hierarchy>>doc:xwiki:Glossary.Hierarchy.WebHome]] association. Note that a child [[Category>>doc:xwiki:Glossary.Category.WebHome]] can have only one parent [[Category>>doc:xwiki:Glossary.Category.WebHome]] in this association.
--A partial CategoryScheme (where isPartial is set to “true”) is identical to a CategoryScheme and contains the Category and associated names and descriptions, just as in a normal CategoryScheme. However, its content is a subset of the full CategoryScheme. The way this works is described in section 3.5.3.1 on ItemScheme.
++A partial CategoryScheme (where isPartial is set to “true”) is identical to a CategoryScheme and contains the [[Category>>doc:xwiki:Glossary.Category.WebHome]] and associated names and descriptions, just as in a normal CategoryScheme. However, its content is a subset of the full CategoryScheme. The way this works is described in section 3.5.3.1 on ItemScheme.
  === 4.6.4 Class diagram Relationship ===
@@ -302,7 +302,7 @@
  **Figure 24: Relationship Class diagram of the Category Scheme**
--The CategoryScheme can have one or more Categorys. The Category is Identifiable and has identity information. A Category can have zero or more child Categorys, thus supporting a hierarchy of Categorys. Any IdentifiableArtefact can be +categorisedBy a Category. This is achieved by means of a Categorisation. Each Categorisation can associate one IdentifiableArtefact with one Category. Multiple Categorisations can be used to build a set of IdentifiableArtefacts that are +categorisedBy the same Category. Note that there is no navigation (i.e. no embedded reference) to the Categorisation from the Category. From an implementation perspective this is necessary as Categorisation has no affect on the versioning of either the Category or the IdentifiableArtefact.
++The CategoryScheme can have one or more [[Categorys>>doc:xwiki:Glossary.Category.WebHome]]. The [[Category>>doc:xwiki:Glossary.Category.WebHome]] is Identifiable and has identity information. A [[Category>>doc:xwiki:Glossary.Category.WebHome]] can have zero or more child [[Categorys>>doc:xwiki:Glossary.Category.WebHome]], thus supporting a [[hierarchy>>doc:xwiki:Glossary.Hierarchy.WebHome]] of [[Categorys>>doc:xwiki:Glossary.Category.WebHome]]. Any IdentifiableArtefact can be +categorisedBy a [[Category>>doc:xwiki:Glossary.Category.WebHome]]. This is achieved by means of a Categorisation. Each Categorisation can associate one IdentifiableArtefact with one [[Category>>doc:xwiki:Glossary.Category.WebHome]]. Multiple Categorisations can be used to build a set of IdentifiableArtefacts that are +categorisedBy the same [[Category>>doc:xwiki:Glossary.Category.WebHome]]. Note that there is no navigation (i.e. no embedded reference) to the Categorisation from the [[Category>>doc:xwiki:Glossary.Category.WebHome]]. From an implementation perspective this is necessary as Categorisation has no affect on the versioning of either the [[Category>>doc:xwiki:Glossary.Category.WebHome]] or the IdentifiableArtefact.
  ==== 4.6.4.1 Definitions ====
@@ -310,19 +310,16 @@
  |**Class**|(% colspan="2" %)**Feature**|**Description**
  |CategoryScheme|(% colspan="2" %)(((
  Inherits from
--
  //ItemScheme//
  )))|The descriptive information for an arrangement or division of categories into groups based on characteristics, which the objects have in common.
  | |(% colspan="2" %)/items|Associates the categories.
  |Category|(((
  Inherits from
--
  //Item//
  )))|(% colspan="2" %)An item at any level within a classification, typically tabulation categories, sections, subsections, divisions, subdivisions, groups, subgroups, classes and subclasses.
  | |/hierarchy|(% colspan="2" %)Associates the parent and the child Category.
  |Categorisation|(((
  Inherits from
--
  //MaintainableArtefact//
  )))|(% colspan="2" %)Associates an Identifable Artefact with a Category.
  | |+categorisedArtefact|(% colspan="2" %)Associates the Identifable Artefact.
@@ -344,13 +344,13 @@
  The //OrganisationScheme// can be one of five types:
--1. AgencyScheme – contains Agency which is restricted to a flat list of agencies (i.e., there is no hierarchy). Note that the SDMX system of (Maintenance) Agency can be hierarchic and this is explained in more detail in the SDMX Standards Section 6 “Technical Notes”.
--1. DataProviderScheme – contains DataProvider which is restricted to a flat list of agencies (i.e., there is no hierarchy).
--1. MetadataProviderScheme – contains MetadataProvider which is restricted to a flat list of agencies (i.e., there is no hierarchy).
--1. DataConsumerScheme – contains DataConsumer which is restricted to a flat list of agencies (i.e., there is no hierarchy).
--1. OrganisationUnitScheme – contains OrganisationUnit which does inherit the /hierarchy association from Organisation.
++1. AgencyScheme – contains Agency which is restricted to a flat list of agencies (i.e., there is no [[hierarchy>>doc:xwiki:Glossary.Hierarchy.WebHome]]). Note that the [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] system of (Maintenance) Agency can be hierarchic and this is explained in more detail in the [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] Standards Section 6 “Technical Notes”.
++1. DataProviderScheme – contains DataProvider which is restricted to a flat list of agencies (i.e., there is no [[hierarchy>>doc:xwiki:Glossary.Hierarchy.WebHome]]).
++1. MetadataProviderScheme – contains MetadataProvider which is restricted to a flat list of agencies (i.e., there is no [[hierarchy>>doc:xwiki:Glossary.Hierarchy.WebHome]]).
++1. DataConsumerScheme – contains DataConsumer which is restricted to a flat list of agencies (i.e., there is no [[hierarchy>>doc:xwiki:Glossary.Hierarchy.WebHome]]).
++1. OrganisationUnitScheme – contains OrganisationUnit which does inherit the /[[hierarchy>>doc:xwiki:Glossary.Hierarchy.WebHome]] association from Organisation.
--Reference metadata can be attached to the //Organisation// by means of the metadata attachment mechanism. This mechanism is explained in the Reference Metadata section of this document (see section 7). This means that the model does not specify the specific reference metadata that can be attached to a DataProvider, MetadataProvider, DataConsumer, OrganisationUnit or Agency, except for limited Contact information.
++[[Reference metadata>>doc:xwiki:Glossary.Reference metadata.WebHome]] can be attached to the //Organisation// by means of the metadata attachment mechanism. This mechanism is explained in the [[Reference Metadata>>doc:xwiki:Glossary.Reference metadata.WebHome]] section of this document (see section 7). This means that the model does not specify the specific [[reference metadata>>doc:xwiki:Glossary.Reference metadata.WebHome]] that can be attached to a DataProvider, MetadataProvider, DataConsumer, OrganisationUnit or Agency, except for limited (% style="color:#2ecc71" %)Contact(%%) information.
  A partial //OrganisationScheme// (where isPartial is set to “true”) is identical to an //OrganisationScheme// and contains the //Organisation// and associated names and descriptions, just as in a normal //OrganisationScheme//. However, its content is a subset of the full //OrganisationScheme//. The way this works is described in section 3.5.3.1 on //ItemScheme//.
@@ -360,17 +360,12 @@
  |**Class**|(% style="width:246px" %)**Feature**|(% style="width:336px" %)**Description**
  |//OrganisationScheme//|(% style="width:246px" %)(((
  Abstract Class Inherits from
--
  //ItemScheme//
  Sub classes are:
--
  AgencyScheme
--
  DataProviderScheme
--
  MetadataProviderScheme DataConsumerScheme
--
  OrganisationUnitScheme
  )))|(% style="width:336px" %)A maintained collection of Organisations.
  | |(% style="width:246px" %)/items|(% style="width:336px" %)(((
@@ -380,19 +380,12 @@
  )))
  |//Organisation//|(% style="width:246px" %)(((
  Abstract Class
++Inherits from //Item//
--Inherits from
--
--//Item//
--
  Sub classes are:
--
  Agency
--
  DataProvider
--
  MetadataProvider DataConsumer
--
  OrganisationUnit
  )))|(% style="width:336px" %)An organisation is a unique framework of authority within which a person or persons act, or are designated to act, towards some purpose.
  | |(% style="width:246px" %)+contact|(% style="width:336px" %)Association to the Contact information.
@@ -418,27 +418,22 @@
  | |(% style="width:246px" %)/items|(% style="width:336px" %)Association to the Organisation Units in the scheme.
  |Agency|(% style="width:246px" %)(((
  Inherits from
--
  //Organisation//
  )))|(% style="width:336px" %)Responsible agency for maintaining artefacts such as statistical classifications, glossaries, structural metadata such as Data and Metadata Structure Definitions, Concepts and Code lists.
  |DataProvider|(% style="width:246px" %)(((
  Inherits from
--
  //Organisation//
  )))|(% style="width:336px" %)An organisation that produces data.
  |MetadataProvider|(% style="width:246px" %)(((
  Inherits from
--
  //Organisation//
  )))|(% style="width:336px" %)An organisation that produces reference metadata.
  |DataConsumer|(% style="width:246px" %)(((
  Inherits from
--
  //Organisation//
  )))|(% style="width:336px" %)An organisation using data as input for further processing.
  |OrganisationUnit|(% style="width:246px" %)(((
  Inherits from
--
  //Organisation//
  )))|(% style="width:336px" %)A designation in the organisational structure.
  | |(% style="width:246px" %)/hierarchy|(% style="width:336px" %)Association to child Organisation Units
@@ -479,13 +479,11 @@
  |(% style="width:177px" %)**Class**|(% style="width:152px" %)**Feature**|(% style="width:428px" %)**Description**
  |(% style="width:177px" %)ReportingTaxonomy|(% style="width:152px" %)(((
  Inherits from
--
  //ItemScheme//
  )))|(% style="width:428px" %)A scheme which defines the composition structure of a data report where each component can be described by an independent Dataflow or Metadataflow.
  |(% style="width:177px" %) |(% style="width:152px" %)/items|(% style="width:428px" %)Associates the Reporting Category
  |(% style="width:177px" %)ReportingCategory|(% style="width:152px" %)(((
  Inherits from
--
  //Item//
  )))|(% style="width:428px" %)A component that gives structure to the report and links to data and metadata.
  |(% style="width:177px" %) |(% style="width:152px" %)/hierarchy|(% style="width:428px" %)Associates child Reporting Category.