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GSIM and other standards
In order to effectively implement GSIM at a technical level, it should be implemented at a business level first. GSIM does not provide any standard representation of its own, and is intended to be implemented using existing external standards and models, which support technical implementation. This may involve mapping to internal data models or implementation standards used within an organization.
Organizations implementing GSIM will need to map the GSIM objects against their implementation models. In doing this, gaps between GSIM and the implementation standards or internal models will need to be identified. Mappings of GSIM to an organization’s internal models can be shared with the community via the Global Artefact Catalogue (to be developed in 2014).
For some common standard models, GSIM mappings have been provided. The design of GSIM takes into account the possibility to map to implementation models, such as SDMX or DDI. Such a mapping can be used to establish a link between GSIM and its technical implementation.
Mapping DDI to GSIM (see also DDI Profiles)
Object | DDI |
-- | |
CollectionEvent [this can describe an intended event rather than a past event] 3.2 contains instrument reference | |
-- | |
Organization/Individual referenced from a specific role within an activity [more extensive in 3.2 in terms of coverage] | |
Other material of type assessment [3.2 QualityStatementReference found at different points to point to Quality assessment standards or processes employed] | |
3.1 Variable/Representation/Role (simple string) [3.2 UserAttributePair (to create key value pair on any versionable/maintainable object) ] (controlled vocabulary) | |
Other Material [3.2 Legal requirements, Authorization Source] | |
No mapping | |
No mapping | |
No mapping | |
No mapping | |
Category | |
CategoryScheme | |
No mapping | |
No direct mapping | |
No direct mapping | |
No direct mapping | |
No direct mapping | |
No direct mapping | |
No Mapping | |
Code | |
CodeScheme [3.2 CodeList] | |
Code/Value | |
Concept | |
Partial mapping ConceptScheme | |
No mapping | |
No direct mapping | |
Data Item | |
Archive/Collection | |
PhysicalInstance | |
LogicalProduct or NcubeLogicalProduct [3.2 LogicalProduct] | |
Item value/value | |
No mapping | |
Text Numeric and Datetime representation | |
No mapping | |
Inline, Normal and Tabular NCube/ Data Item DataItem (Inline, Normal, Tabular) | |
PhysicalDataProduct/Ncube (any of the types) Ncube (any of the types: Inline, Normal and Tabular) | |
LogicalProduct/Ncube | |
No mapping | |
Code representation | |
[possibly as QualityStatementReference, citing the standard/policy/procedure, and results] | |
CollectionEvent [this can describe an intended event rather than a past event] 3.2 contains instrument reference | |
Identifiable | |
Logical Record/Case Identifier (works well in a single file) 3.1 Variable/Representation/Role (simple string) 3.2 Variable with VariableRole (stating role as case identification) (controlled vocabulary) | |
Individual | |
Organization (3.2 both producer and consumer Organizations described, Relation linking producer to consumer and Role designating role of one to the other) | |
Organization (3.2 both producer and consumer Organizations described, Relation linking producer to consumer and Role designating role of one to the other) | |
no mapping | |
no mapping | |
-- | |
QuestionConstruct | |
MultipleQuestionItem (used by QuestionConstruct) [3.2 QuestionBlock used by a QuestionConstruct or more correctly in DDI Sequence containing QuestionConstructs] | |
StatementItem | |
Unit Data: Physical Data Product/Record Layout Scheme/ Record Layout/Data Item/Variable Reference Dimensional Data: Physical Data Product/Record Layout Scheme/ Record Layout/NCube Instance/Data Item/Dimension/Variable Reference | |
Level | |
LogicalRecord | |
No direct mapping | |
3.1 Variable/Representation/Role (simple string) 3.1 Logical Record/Variables in Record | |
No mapping | |
No mapping | |
[Organization/Individual with Relation and Role specification] | |
No mapping | |
Universe | |
No mapping | |
Coding/Code ControlConstructs | |
-- | |
No mapping | |
Coding/Code [3.2 InParameter] | |
No mapping [3.2 InParameter, Binding] | |
No mapping | |
No single mapping [3.2 OutParameter] | |
No single mapping | |
Coding/Code ControlConstructs [3.2 GenerationInstruction, GeneralInstruction, ControlConstructs] | |
No mapping | |
-- | |
-- | |
Archive/Access – access conditions, disclaimers, restrictions (can be used for collection or item) Access (AccessConditions, Disclaimer, Restrictions) | |
QuestionItem | |
Sequence [3.2 QuestionBlock or Sequence] | |
CollectionEvent [this can describe an intended event rather than a past event] 3.2 contains instrument reference | |
ControlConstructs (and substitutions) | |
ControlConstructs (and substitutions) | |
Instrument | |
RecordRelationship | |
-- | |
-- | |
no mapping | |
-- | |
-- | |
-- | |
-- | |
Variable | |
Coding [3.2 GenerationInstruction, GeneralInstruction] | |
-- | |
No mapping | |
StatementItem | |
No mapping | |
no mapping | |
Group | |
StudyUnit | |
no mapping | |
-- | |
No direct mapping | |
No mapping | |
RecordLayout | |
No mapping | |
PhysicalInstance that contains microdata | |
LogicalProduct | |
AnalysisUnit | |
Representation [3.2 ValueRepresentation] | |
Data Element Concept | |
CollectionEvent [this can describe an intended event rather than a past event] 3.2 contains instrument reference |
Mapping SDMX to GSIM
Object | SDMX |
No Mapping | |
-- | |
See Organization Scheme | |
No mapping | |
No Mapping | |
Data Attribute (but only for dimensional data) | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
Hierarchical Code | |
No Mapping | |
No mapping | |
Code | |
Codelist | |
No mapping | |
Concept | |
No mapping | |
No mapping | |
Codelist Map or | |
No Mapping | |
No Mapping | |
Data Set | |
Data Structure Definition (but only applies to Dimensional data) | |
Component | |
Codelist Map or | |
Codelist Map or | |
non enumerated association between Representation and Facet | |
non enumerated association between Representation and Facet | |
No Mapping | |
Data Set | |
Data Structure Definition | |
No Mapping | |
enumerated association between Representation and Codelist | |
No Mapping | |
Registration | |
Identifiable Artefact | |
Dimension (but only for Dimensional data) | |
No Mapping | |
Data Consumer | |
Data Provider | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
Level | |
No Mapping | |
Code Map or | |
Measure (but only for dimensional data) | |
Item | |
Item Scheme | |
Organisation Unit | |
No Mapping | |
No Mapping | |
No Mapping | |
Transition | |
Transition | |
No Mapping | |
"input" association between Process Step and Process Artefact | |
No Mapping | |
No Mapping | |
"output" association between Process Step and Process Artefact | |
No Mapping | |
Process | |
Process Step | |
No Mapping | |
No Mapping | |
No Mapping | |
Provision Agreement (but GSIM definition is much broader) | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
MetadataAttribute | |
Component? | |
No Mapping | |
MetadataSet | |
ReportStructure | |
MetadataTarget? | |
MetadataTarget? | |
No Mapping | |
Computation | |
-- | |
No Mapping | |
No Mapping | |
Hierarchical Code List | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
Category | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
No Mapping | |
Representation | |
No Mapping | |
-- |