Semantic Units of the PREMIS Data Dictionary
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| Containers | Current | Descendants |
|---|---|---|
| 1 - Object | 1.3 preservationLevel | 1.3.1 preservationLevelType 1.3.2 preservationLevelValue 1.3.3 preservationLevelRole 1.3.4 preservationLevelRationale 1.3.5 preservationLevelDateAssigned |
| Semantic unit | 1.3 preservationLevel |
|---|---|
| Definition | Information indicating the decision or policy on the set of preservation functions to be applied to an object and the context in which the decision or policy was made. |
| Applicability | Intellectual Entity / Representation, File |
| Obligation | Optional |
| Repeatability | Repeatable |
| Data constraint | Container |
| Creation / Maintenance notes | The preservation level may be assigned by the repository or requested by the depositor and submitted as metadata. The repository may also choose to record additional metadata indicating the context for the assignment of the preservation level. |
| Usage notes | If the repository offers only a single preservation level or the preservation level can be calculated externally (e.g., based on the information in a technical registry or by the type of collection), this value does not need to be explicitly recorded with Objects within the repository. Application of a particular set of preservationLevel semantic units may only cover a single Representation of an object: Representations in other technical forms or serving other functions may have a different preservationLevel applied. The container may be repeated if a preservation level value needs to be recorded in additional contexts (see preservationLevelRole, page 46) or part of a context (see preservationLevelType, page 44). |