ANNEX B RELATIONSHIP WITH OTHER STANDARDS OR EFFORTS (INFORMATIVE)

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This annex describes relationships between the OAIS reference model and various other standards or efforts. It includes a brief mapping between some terminology used in various domains and that used in the OAIS reference model.

Preserving Digital Information: Report of the Task Force on Archiving of Digital Information (reference [D2]).

This document was the basis for the Preservation Description Information in the OAIS Information Model detailed in 4.2 of the OAIS Reference Model. The ‘Preserving Digital Information Report’ did not include the separate information object classes for the Packaging Information and Description Information that have been added in the OAIS Information Model. Therefore the following PDI class definitions are subsets of those discussed in that paper with some of the information allocated to the new Packaging and Description Objects. The primary difference between the OAIS information model and the information model presented in the ‘Preserving Digital Information Report’ is:

Context Information: This information documents the relationships of the Content Information to its environment. This includes why the Content Information was created, and how it relates to other Content Information objects existing elsewhere. The OAIS Reference Model Context Information differs from the definition in the ‘preserving Digital Information Report’ in that it does not include the information used in associating logical information with physical media. This type of information is assigned to the Packaging Information in the OAIS Reference Model.

Z39.50 Profile for Access to Digital Collections (reference [D4]):

This document and related Z39.50 profiles were the basis of the concepts of associated descriptions and finding aids discussed in the Descriptive Data and Access sections of the OAIS Reference Model. However, the OAIS Reference Model has generalized these concepts so the detailed protocol definitions in ‘the Digital Collections Profile’ are no longer applicable.

IEEE’s Reference Model for Open Storage Systems Interconnection—Mass Storage System Reference Model Version 5 (reference [D5]):

This document provides a set of functionality that fits within the OAIS Archival Storage Functional area. However, this functional area may have greater functionality, including the storage of non-digital physical media and the focus on Long Term Preservation requirements.

CCSDS Standards provide a concrete implementation of many of the Information Object and Information Package concepts discussed in 4.2 of the OAIS Reference Model. These standards include:

Standard Formatted Data Units—Structure and Construction Rules (reference [D6]).

This standard provides a mechanism which implements the concept of a Representation Network and a platform-independent Information Package.

The Data Description Language EAST Specification (CCSD0010) (reference [D7]).

This standard specifies a language that is appropriate for documenting the structural component of Representation Information of most record oriented structures.

Data Entity Dictionary Specification Language (DEDSL)—Abstract Syntax (CCSD0011) (reference [D8]).

This standard specifies a set of attributes and a notation for describing a portion of the semantics of data entities. This is a mechanism which can be used to provide additional semantics for Representation Information.

Data Entity Dictionary Specification Language (DEDSL)—PVL Syntax (CCSD0012) (reference [D9]).

This standard specifies a set of attributes and a notation for describing a portion of the semantics of data entities. This is a mechanism which can be used to provide additional semantics for Representation Information.

The following terms have, in some organizational contexts, approximate mappings to OAIS terms. However, they are not to be considered as official OAIS replacement terms. Archives (traditional Archives):OAIS or OAIS Archive

Accession (traditional Archives): Ingest

Record (traditional Archives): Content Information

Primary Audience (journals): Designated Community


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