Workbook on Digital Private Papers > Administrative and preservation metadata > Preservation metadata
Preservation metadata
The PREMIS XML schemas
The PREMIS working group produced five XML schemas to encode the semantic units of the Data Dictionary. As noted above, use of the schemas is not compulsory as PREMIS semantic units may be held in any number of ways, so long as a repository knows the information and is able to supply it on request. The schemas can be used independently or concurrently depending on the profile of the PREMIS Data Dictionary being used. The five schemas are:
- PREMIS - a schema to contain the XML produced from the entity schemas.
- Object - a schema for the object entity.
- Agent - a schema for the agent entity.
- Event - a schema for the event entity.
- Rights - a schema for the rights entity.
