Preservation Metadata

Presentation to the CUL Metadata Working Group15 February 2002

Nancy McGovern, Digital Preservation Officer, IRIS

Bill Kehoe, Digital Library Programmer/Analyst, DLIT

Introduction

• Pre-Cornell (Nancy) • Overview of Cornell activities (Nancy) • Overview of OAIS Model (Bill) • Discussion of draft metadata documents

(Nancy and Bill) • Implications of Euclid and ArXiv (Bill)

• Relevant external projects (if there’s time)

Pre-Cornell

• A Practical Examination of Using Metadata to Support Archival Programmatic Functions Bentley Fellowship with Thomas Ruller, July 1994.

• Electronic Records Bibliography http://www.truller.com/bib.html

• Workshop: “Let the System Describe Itself: Using Metadata to Support Access to and the Preservation of Electronic Records”

Overview:Cornell Activities

• Central Depository Project• Project Prism • Project Harvest• AWIICS: Certification • OCLC/RLG Preservation

Metadata Working Group (Oya)

Central Depository Project

• Mapping requirements to OCLC/RLG Attributes of a Trusted Repository proposed framework (draft)

• Working with ENCompass team on preservation management issues

Overview of the OAIS Model

from “Reference Model for an Open Archival Information System”

OAIS model with multiple ingest and access channels

from “Reference Model for an Open Archival Information System”

OAIS Categories

• [Data Object]• Representation Information

(Structure, Semantic, and Other Information)

• Content Information [1](Data Object + Representation Information)

• Preservation Description Information [2](Reference, Context, Provenance and Fixity Information)

• Descriptive Information (Content Information + PDI)

• Packaging Information [physically and logically binds]

Archival Information PackageArchival

Information Package

Archival Information Package

PreservationDescriptionInformation

PreservationDescriptionInformation

RepresentationInformation

RepresentationInformation

*

1Data

Object

DataObject

<< file >>Digital Object

<< file >>Digital Object

Content Information

Content Information

ReferenceInformation

ReferenceInformation

Provenance Information

Provenance Information

FixityInformation

FixityInformation Context

Information

ContextInformation

Draft metadata documents

[1] OCLC-RLG’s A Recommendation for Content Information

[2] OCLC-RLG’s A Recommendation for Preservation Description Information

[3] Harvard’s Submission Information Package (SIP) Specification

(see full citations on list of resources handout)

Project Harvest

• Looking at SIP to AIP conversion• Evaluating Harvard’s proposed SIP • Identifying AIP examples • Proposing to build digital archive

upon Project Euclid architecture

Project Prism

• Web Page Profile • Using metadata to monitor and

evaluate Web resources

Relevant external projects

• NEDLIB• CAMiLEON (CEDARS)• PANDORA• Harvard University Digital Library

• NARA & SDSC