Semantic Units of the PREMIS Data Dictionary
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| Containers | Current | Descendants |
|---|---|---|
| 2 - Event | 2.7 linkingObjectIdentifier | 2.7.1 linkingObjectIdentifierType 2.7.2 linkingObjectIdentifierValue 2.7.3 linkingObjectRole |
| Semantic unit | 2.7 linkingObjectIdentifier |
|---|---|
| Definition | Information about an Object associated with an Event. |
| Obligation | Optional |
| Repeatability | Repeatable |
| Rationale | Digital provenance often requires that relationships between Objects and Events are documented. |
| Data constraint | Container |
| Usage notes | Linking semantic units are mandatory in the sense that a repository needs to know the information, but are defined as optional because PREMIS does not specify in which direction the linkage should be. |