Metadata
Definition
Metadata is data that defines and describes the characteristics of other data. (DAMA Dictionary)
DMBoK2
Metadata is about having Information about data. Metadata describes and defines data and is a tool for understanding data.
Relations
| Metadata | is child of | data |
| Metadata | is child of | data category |
| Metadata | is parent of | defining metadata |
| Metadata | is parent of | operational metadata |
| Metadata | is parent of | data lineage |
| Metadata | is parent of | data quality rules |
| Metadata | is parent of | data dictionary |
| Metadata | is parent of | data element specification |
| Metadata | is parent of | data model |
| Metadata | is parent of | format |
| Metadata | is parent of | unit |
| Metadata | is an element of a | data quality management system |
Figure 1 Childs of metadata
| Metadata | is parent of | critical data element |
| Metadata | is parent of | business glossary |
| Metadata | is parent of | data model |
| Metadata | is parent of | data element specification |
Lifecycle
- Define metadata
- Describe metadata
- Implement metadata
- Use metadata
- Evaluate metadata
- Change metadata
- Store metadata
- Maintain metadata
- Publish metadata
References
- Alexopoulos, P. (2020). Semantic modeling for data: Avoiding pitfalls and breaking dilemmas. O'Reilly Media.
- DAMA (2017). DAMA-DMBOK. Data Management Body of Knowledge. 2nd Edition. Technics Publications LLC. August 2017.
- DAMA NL (2020). Data concepts for Data Quality Dimensions (DSC). Research paper.
- DAMA-NL. Werkgroep Metadata (Dutch). Webpage.
- Earley, S. (2011). The DAMA Dictionary of Data Management (DDDM). Technics Publications, LLC, New Jersey.
- Dingemans, Bert (2022). Een repository voor Meta Data Management (Dutch). Report.
- ISO 11179:1999 Information technology — Specification and standardization of data elements
- ISO 9000:2015. Quality Management Systems – Requirements.
- ISO 9001:2015. Quality Management Systems – Fundamentals and vocabulary.
- Harris, J. & Hoberman, S. (2020). Data modeling made simple with Erwin DM. Technics Publications LLC, New Jersey.