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Merrilee Proffitt e(X)literature / Digital Cultures Project April 2003 News from the Digital Library The Metadata Encoding and Transmission Standard; the Open Archival Information System

News from the Digital Library

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News from the Digital Library. The Metadata Encoding and Transmission Standard; the Open Archival Information System. Merrilee Proffitt e(X)literature / Digital Cultures Project April 2003. A Telling Example. Goals of the Digital Library. Collection Access Preservation. - PowerPoint PPT Presentation

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Page 1: News from the Digital Library

Merrilee Proffitt e(X)literature / Digital Cultures ProjectApril 2003

News from the Digital Library

The Metadata Encoding and Transmission Standard; the Open Archival Information System

Page 2: News from the Digital Library

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A Telling Example

Page 3: News from the Digital Library

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Goals of the Digital Library

Collection Access Preservation

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Problems with digital preservation

Unlike books (or papyrus) “bits …. don’t do well with benign neglect”

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Open Archival Information System Reference Model Framework for understanding and applying

concepts needed for long-term preservation of digital information

Model targeted to several categories of user

Already widely adopted as starting point in digital preservation efforts

Page 6: News from the Digital Library

OAIS Functional EntitiesOAIS Functional Entities

SIP = Submission Information PackageAIP = Archival Information PackageDIP = Dissemination Information Package

4-1.2

MANAGEMENT

Ingest

Data Management

SIP

AIPDIP

queries

result setsAccess

PRODUCER

CONSUMER

Descriptive Info

AIP

orders

Descriptive Info

Archival Storage

Administration

Preservation Planning

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Information Package Variants

Submission Information Package– Negotiated between Producer and OAIS– Sent to OAIS by a Producer

Archival Information Package– Information Package used for preservation– Includes complete set of Preservation Description

Information for the Content Information Dissemination Information Package

– Includes part or all of one or more Archival Information Packages

– Sent to a Consumer by the OAIS

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Relevance of the OAIS

Offers common ground for discussion– Provides common terminology and concepts

Conceptual framework for building repository systems for digital content

Two components of Reference model– Functional model– Information model: model for packages of

information

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Digital (Library) Objects

Reformatted to digital

“Born digital”

Simple Complex

Digital Library Objects can be…

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Structural metadata

Maps physical files (digital assets) to logical items (complex digital objects)– Scanned print material– A/V material – Multimedia presentations

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Other Metadata

All types of digital objects have other (non-structural) metadata– descriptive

MARC, Dublin Core, etc.

– administrativerights

– technicalformat details

– Standards exist or emerging for these

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METS Scope

Supports– Structural metadata

complex reformatted or born digital objects

– Metadata wrapper frameworkdescriptive, administrative, structural, etc.structural requiredothers use namespaces to reference “extension

schemas”

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METS Scope

Data transfer syntax– between applications– between institutions

Driver for applications– page turner– audio player– multimedia presentation

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METS History

Making Of America II project 1997-2000 METS “born” February 2001 METS 1.0 July 2002 Current version is METS 1.2

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METS Header

Administrativemetadata

FileInventory

Structuremap

Descriptivemetadata

Behavioralmetadata

optional

optional

optional required

optional optional

METS metadata “buckets”

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METS and OAIS framework

Submission Information Package (SIP)METS as transfer syntax

Dissemination Information Package (DIP)METS as transfer syntaxMETS as input to display applications

Archival Information Package (AIP)METS stored internally in an archive

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METS Initiative

Establishment of an editorial board with an editor-in-chief

Complete work on schema, ensure support for other digital library work

Encourage field testing of METS and gather feedback

Encourage tools development Identification of “best practice” extension

schemas

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Current users

Current users include UC Berkeley California Digital Library NYU (digital archive) Florida Center for Library Automation Oxford University British Library National Library of New Zealand Bibliothèque nationale de France Harvard Library of Congress EU MetaE project Michigan State University of Virginia MIT RLG more daily...

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METS summary

Closely related to OAIS information package

Large and growing community of digital library implementers

Very flexible Flexibility means that profiles are

necessary for interoperability

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For More Information…

METS homepage: http://www.loc.gov/standards/METS

OAIS Reference Model:http://www.ccsds.org/RP9905/

RP9905.htmlMerrilee Proffitt

[email protected]