Introduction to Metadata for Digital Libraries

Table of Contents

Metadata for Digital Libraries-

Key problems we’re facing

Serious Longevity Problems

Traditional Digital Library Model

Ideal Digital Library Model

For Interoperability Digital Libraries Need Standards

Why are Standards and Metadata consensus important?

Why Standards?

Why are you Managing this Information?

Questions to Ask

What is Metadata

Sorting through the Standards Morass

Semantics/Syntax/Structure

What is Metadata Types & Uses

Uses of Metadata

Containers and Packages of Metadata Warwick, not MARC

Some different schemes where Metdata is kept

Collaborative Metadata Projects

CORC--Cooperative Online Resource Catalog

Dublin Core (3/95)

Dublin Core

Dublin Core

DC Qualifiers

Discovery Metadata: Recent History

Dublin Core--further work

The Research Process and Functional Categories of Metadata

Making of America II-

MOA2 Goal is Interpoerability

DLF Metadata for Interoperability Testbed: the MOA II Project

Previous Projects/Background

MOA II Classes of Objects

MOA II Metadata

MOA II Behaviors

MOA II Best practices

Scanning Best Practices

Why Scale is important

Administrative Metadata to uniquely identify a digital resource and manage it over time

Structural Metadata: that which is relevant to presentation of the digital object to the user

SGML, XML, HTML

Other Types of Metadata-

The Short Life of Digital Info: Digital Longevity Problems-

The Viewing Problem

The Scrambling Problem Dangers from:

The Inter-relation Problem

The Custodial Problem

The Translation Problem

Pieces of the Solution (1/2)

Pieces of the Solution (2/2)

Metadata can be the first line of defense

Groups Working on the Big Longevity Problem http://sunsite.Berkeley.EDU/Imaging/Databases/Longevity/ 

Migration/Refreshing

Identification/Provenance (Images)-

The number of variant forms of a work can be enormous

Image Families

Identification/Provenance

NISO/DLF Image Metadata Workshop Possible Goals

Image Metadata Focus on Metadata that may prove helpful for

Image Metadata Break-out Groups: Work Done

Other Metadata

Data Structures: The VRA Core

VRA Core: Work Description Categories

VRA Core: Visual Document Description Categories

Data Value Metadata (vocabularies)

LCSH

Thesaurus for Graphic Materials

AAT

ULAN

Thesaurus of Geographic Names

Metadata for Digital Commerce

<Indecs>

Metadata Mapping-

Crosswalks

Crosswalk Example

Resource Description Framework (RDF, spec released 2/99)

RDF

XML-encoded RDF

Should you start building with RDF today?

Metadata for Digital Libraries

Email: besser@ucla.edu

Home Page: http://www.gseis.ucla.edu/~howard/