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Glossary

Accuracy: Agreement between a data item and the entity that it represents. For reference, accuracy should be checked to ensure that: each data item links to a specific entity; each entity has a data entry related to it.

Attribute: Data field used to record the characteristics of an entity. Single unit of data that in a certain context is considered indivisible (ISO/TS 21089:2018).

Chief data officer (CDO): An individual appointed at senior level in an organisation to facilitate the effective specification, acquisition, exploitation and governance of data. CDO also can refer to chief digital officer; however, this role is typically more focused on exploitation of data through digital technology.

Completeness: The quality of having data records stored for all entities and that all attributes for an entity are populated.

Consistency: The ability to correctly link data relating to the same entity across different data sets.

Data: Reinterpretable representation of information in a formalized manner suitable for communication, interpretation or processing (ISO 8000-2:2020).

Data custodian: See Data steward.

Data governance: Development and enforcement of policies related to the management of data (ISO 8000-2:2020).

Data management: The activities of defining, creating, storing, maintaining and providing access to data and associated processes in one or more information systems (ISO/IEC TR 10032:2003).

Data owner: An individual who is accountable for a data asset.

Data quality: Degree to which a set of inherent characteristics of data fulfils requirements (ISO 8000-2:2020).

Data quality criteria: Specific tests that can be applied to data in order to understand the nature of their quality. This can also include the methods to be used in assessing quality.