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Glossary

Data quality management: Coordinated activities to direct and control an organisation with regard to data quality (ISO 8000-2:2020).

Data set: Logically meaningful grouping of data (ISO 8000-2:2020).

Data steward: Person or organisation delegated the responsibility for managing a specific set of data resources (ISO 8000-2:2020).

ISO 8000: The multi-part ISO standard for data quality.

ISO 9000: The family of standards addressing various aspects of quality management, providing guidance and tools for companies and organisations who want to ensure that their products and services consistently meet customers’ requirements, and that quality is consistently improved.

Metadata: Data defining and describing other data (ISO 8000-2:2020).

Precision: Degree of specificity for a data entry (ISO/IEC 11179-3:2013 - modified).

Structured data: In a data set, the meaning covered by explicit elements of the data (e.g. the tables, columns and keys within a relational database or the tags within an XML file).

Timeliness: A measure of how current a data item is.

Uniqueness: A measure of whether an entity has a single data entry relating to it within a data set.

Unstructured data: In a data set, levels of meaning that are not covered by structural elements of the data (e.g. the characteristics of the brain in the image of a diagnostic medical scan).

Validity: Conformance of data to rules defining the syntax and structure of data.

Value: Numbers or characters stored in a data field to represent an entity or activity.