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Structure Group is used to structure information throughout the statistical process.
The UML diagram for this group, as well as definitions and explanatory text can be found below.
For the comparison with the previous version of GSIM (v1.2), the main changes to the model include:
GSIM information class added: Information Structure
GSIM information class removed: 1) Dimensional Data Point; 2) Dimensional Data Set; 3) Unit Data Point; 4) Unit Data Set
GSIM information class names changed: Data Record (was called Unit Data Record in v1.2)
Attribute Component
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Attribute Component | Structure | role given to a Represented Variable in the context of a Data Structure, which supplies information other than identification or measures | For example:
|
Attributes*
Name | Description | Cardinality | Value Type |
Is Mandatory | When there is an attribute in a Dimensional Data Structure, this sets a status to indicate whether it is mandatory or optional to include it in that particular dimensional Data Set. | 0..1 | Boolean |
Attachment Level | The description of what Level a certain attachment is at. For example, in SDMX this could be Data Set, Observation, Series, Group. | 0..1 | ControlledVocabulary |
* Attributes inherited from super-type(s) are not included here
Data Point
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Data Point | Structure | container for a single value of an Instance Variable | A Data Point is a cell or a placeholder for a value (Datum) it may contain (note that a data point could be empty). A field in a Data Structure which corresponds to, for example, a cell in a table. The Data Point is structural and distinct from the value (the Datum) that it holds. |
Attributes*
* Attributes inherited from super-type(s) are not included here
Data Record
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Data Record | Structure | collection of Data Points related to a given Unit or Population | For example (1212123, 48, American, United Kingdom) specifies the age (48) in years, the current citizenship (American), and the country of birth (United Kingdom) for a person with social security number 1212123. For the case of unit data, it can be structured by Logical Record. |
Attributes*
* Attributes inherited from super-type(s) are not included here
Data Resource
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Data Resource | Structure | organised collection of stored information made of one or more Data Sets | Data Resources are collections of data. Data Resource is a specialization of an Information Resource. |
Attributes*
* Attributes inherited from super-type(s) are not included here
Data Set
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Data Set | Structure | organised collection of data | Data Sets could be used to organise a wide variety of content, including observation registers, time series, longitudinal data, survey data, rectangular data sets, event-history data, tables, data tables, registers, data cubes, data warehouses/marts and matrixes. An example of a population unit Data Set (microdata) could be a collection of three Data Records (1212123, 48, American, United Kingdom), (1212111, 38, Hungarian, United Kingdom), and (1212317, 51, Canadian, Mexico), each containing the social security number, age, citizenship and country of birth of an individual. An example of a population dimensional Data Set (aggregate) could be a collection of three entries (Mexico, 2021, 130.3), (United Kingdom, 2021, 67.33), and (Italy, 2022, 60.24), each containing the name of the country, year of interest and population of the country in millions. | Database, data file, file, table |
Attributes*
Name | Description | Cardinality | Value Type |
Type | Type of Data Set (e.g., unit Data Set, dimensional Data Set) | 0..1 | ControlledVocabulary |
* Attributes inherited from super-type(s) are not included here
Data Structure
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Data Structure | Structure | structure of an organised collection of data (Data Set) | The structure is described using Data Structure Components that can be either Attribute Components, Identifier Components or Measure Components. Examples for unit data include social security number, country of residence, age, citizenship, country of birth, where the social security number and the country of residence are both identifying components and the others are measured variables obtained directly or indirectly from the person (Unit). |
Attributes*
* Attributes inherited from super-type(s) are not included here
Data Structure Component
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Data Structure Component | Structure | role of the Represented Variable in the context of a Data Structure | A Data Structure Component can be an Attribute Component, Measure Component or an Identifier Component.
|
Attributes*
* Attributes inherited from super-type(s) are not included here
Dimensional Data Structure
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Dimensional Data Structure | Structure | structure of an organised collection of a dimensional data | For example, (country, gender, number of citizens) where the country and gender are the Identifier Component and the number of citizens is a Measure Component. |
Attributes*
Name | Description | Cardinality | Value Type |
Group | A composite association to one or more component lists. | 0..* | String |
* Attributes inherited from super-type(s) are not included here
Identifier Component
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Identifier Component | Structure | role given to a Represented Variable in the context of a Data Structure to identify the Units | An Identifier Component is a sub-class of Data Structure Component. The personal identification number of a Swedish citizen for unit data or the name of a country in the European Union for dimensional data. |
Attributes*
Name | Description | Cardinality | Value Type |
Is Composite | Indicates if the key is composite. | 0..1 | Boolean |
Is Unique | Indicates if the key is unique. | 0..1 | Boolean |
Role | Specifies the type of id represented (entity, indicator, count, time, geography). | 0..1 | ControlledVocabulary |
* Attributes inherited from super-type(s) are not included here
Information Resource
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Information Resource | Structure | abstract notion that is any organised collection of information | Statistical activity uses Information Resources to produce information. There currently are only two concrete sub-classes: Data Resource and Referential Metadata Resource. The Information Resource allows the model to be extended to other types of resource. |
Attributes*
* Attributes inherited from super-type(s) are not included here
Information Set
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Information Set | Structure | organised collection of statistical content | Statistical organisations acquire, process, analyze and disseminate Information Sets, which contain data (Data Sets), referential metadata (Referential Metadata Sets), or potentially other types of statistical content, which could be included in additional types of Information Set. |
Attributes*
* Attributes inherited from super-type(s) are not included here
Information Structure
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Information Structure | Structure | describes the structure of an Information Set |
Attributes*
* Attributes inherited from super-type(s) are not included here
Logical Record
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Logical Record | Structure | set of attributes defined by Unit Type describing a specific instance of a Data Record which provides an additional relationship on top of Data Structure | Logical Records provide an additional relationship on top of the Data Structure (e.g., an individual is a part of family, information from record linkage) |
Attributes*
* Attributes inherited from super-type(s) are not included here
Measure Component
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Measure Component | Structure | role given to a Represented Variable in the context of a Data Structure to hold the observed/derived values for a particular Unit | A Measure Component is a sub-class of Data Structure Component. For example, age and height of a person in a Unit Data Set or number of citizens and number of households in a country in a Data Set for multiple countries (dimensional Data Set). |
Attributes*
* Attributes inherited from super-type(s) are not included here
Record Relationship
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Record Relationship | Structure | description of relationships between Logical Records within a Unit Data Structure | Record Relationship must have both a source Logical Record and a target Logical Record in order to define the relationship. Example: Relationship between a person and household Logical Records within a unit Data Set. |
Attributes*
* Attributes inherited from super-type(s) are not included here
Referential Metadata Attribute
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Referential Metadata Attribute | Structure | characteristic that describes or qualifies Referential Metadata Subject | A set of Referential Metadata Attributes is structured by Referential Metadata Structure to describe Referential Metadata Subject. Examples of Referential Metadata Attributes can be Represented Variables (e.g., "Accuracy", "Timeliness" when describing quality information) or other GSIM class (e.g., Statistical Classification, Contact, Owner). |
Attributes*
Name | Description | Cardinality | Value Type |
Is Container | Boolean indicating whether or not this attribute actually will contain a value when reported in a metadata set. | 0..1 | Boolean |
* Attributes inherited from super-type(s) are not included here
Referential Metadata Content Item
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Referential Metadata Content Item | Structure | actual content for Referential Metadata Attribute | Referential Metadata Content Item can take different formats (e.g., text, number, value from a predefined codelist, table). |
Attributes*
* Attributes inherited from super-type(s) are not included here
Referential Metadata Resource
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Referential Metadata Resource | Structure | organised collection of stored information consisting of one or more Referential Metadata Sets | Referential Metadata Resources are collections of structured information. This class is a specialization of an Information Resource. |
Attributes*
* Attributes inherited from super-type(s) are not included here
Referential Metadata Set
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Referential Metadata Set | Structure | organised collection of referential metadata for a given Referential Metadata Subject Item | Each Referential Metadata Set uses a Referential Metadata Structure to define a structured list of Referential Metadata Attributes for a given Referential Metadata Subject Item. |
Attributes*
* Attributes inherited from super-type(s) are not included here
Referential Metadata Structure
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Referential Metadata Structure | Structures | structure of an organised collection of referential metadata | A Referential Metadata Structure defines a structured list of Referential Metadata Attributes for a given Referential Metadata Subject. Examples of Referential Metadata Structure include structures for describing quality information and methodologies information (e.g., ESS Standard for Quality Reports Structure) or characteristics of registers as well as a structure of documentation storing information necessarily for internal dataset management (e.g., GDPR status, existence of information on minor)). | Metadata Structure Definition |
Attributes*
* Attributes inherited from super-type(s) are not included here
Referential Metadata Subject
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Referential Metadata Subject | Structure | subject for which an organised collection of referential metadata is reported | The Referential Metadata Subject identifies the subject of the metadata that can be reported using this Referential Metadata Structure. These subjects may be any GSIM information class on which organised set of metadata is needed, such as Statistical Program, Data Set, Questionnaire and Statistical Classification. |
Attributes*
* Attributes inherited from super-type(s) are not included here
Referential Metadata Subject Item
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Referential Metadata Subject Item | Structure | actual subject for which referential metadata is reported | Examples are an actual Product such as Balance of Payments and International Investment Position, Australia, June 2013, or a collection of Data Points such as the Data Points for a single region within a Data Set covering all regions for a country. |
Attributes*
* Attributes inherited from super-type(s) are not included here
Unit Data Structure
Definition
Class | Group | Definition | Explanatory Text | Synonyms |
---|---|---|---|---|
Unit Data Structure | Structure | structure of an organised collection of unit data | For example (social security number, country of residence, age, citizenship, country of birth) where the social security number and the country of residence are the identifying components (Identifier Component) and the others are measured variables obtained directly or indirectly from the person (Unit) and are Measure Components of the Logical Record. | File description, dataset description |
Attributes*
* Attributes inherited from super-type(s) are not included here
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