PREMIS stands for "PREservation Metadata: Implementation Strategies". This document is a relatively brief overview of the PREMIS preservation metadata standard. It can also serve as an "gentle introduction" to the much larger document PREMIS Data Dictionary for Preservation Metadata. PREMIS defines preservation metadata as "the information a repository uses to support the digital preservation process." Preservation metadata also supports activities "intended to ensure the long-term usability of a digital resource."
The Data Dictionary defines a core set of metadata elements needed in order to perform preservation functions, so that digital objects can be read from the digital media, and can be displayed or played. It includes a definition of the element; a reason why it is part of the metadata; also examples and notes about how the value might be obtained and used. The elements address information needed to manage files properly, and to document any changes made. PREMIS only defines the metadata elements commonly needed to perform preservation functions on the materials to be preserved. The focus is on the repository and its management, not on the content authors or the associated staff, so it can be a guide or checklist for those developing or managing a repository or software applications. Some information needed is:
- Provenance: The record of the chain of custody and change history of a digital object.
- Significant Properties: Characteristics of an object that should be maintained through preservation actions.
- Rights: knowing what you can do with an object while trying to preserve it.
- Objects (including Intellectual Entities)
- Agents
- Events
- Rights
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