Introduction to Metadata for Digital Libraries
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